MKLab

Multimedia Knowledge and Social Media Analytics Laboratory

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conference_publications

VERGE in VBS 2025

Vision-Language Pretraining for Variable-shot Image Classification

ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2024

Integrating AI and Computer Vision for Ballistic and Bloodstain Analysis in 3D Digital Forensics

Intelligent Conversational Agent for Medical Information

Descriptor Impact on Multimodal 3D Retrieval

VERGE: Simplifying Video Search for Novice Users

Wildfire Detection for Emergency Responders using X

Towards Advanced Wildfire Analysis: A Siamese Network-Based Change Detection Approach through Self-Supervised Learning

Mapping the Current Status of CTI Knowledge Graphs through a Bibliometric Analysis

A Framework for Vision-Based 3D Inspections for Maintenance Activities and Digital Twin Integration

An End-to-End Framework for Cybersecurity Taxonomy and Ontology Generation and Updating

Associations of sleep efficiency and rapid eye movement sleep in early Alzheimer's disease (AD): results of the RADAR-AD study

Screening for Alzheimer’s disease in primary care using an AI driven screening platform: design of the PREDICTOM study

Digitally Assessed Sleep Disturbances for Early Diagnosis of Alzheimer's Disease

Enhanced Defect Detection in Airport Runway Infrastructure Using Image-Text Pairing

Incorporating Social Media Sensing and Computer Vision Technologies to Support Wildfire Monitoring

Prediction of Successful Memory Formation during Audiovisual advertising using EEG signals

Innovative digital forensic and investigation tools for Law Enforcement: The EMPOWER & TRACY Approach

Towards Semantically Conscious, Conversation-Based Chatbot Services for Migrants

Resilient and adaptive renovation of the 20th century buildings towards net-zero carbon built heritage - The approach of the SINCERE research project

Combined Multicomponent Interventions for Older Adults in a Smart Home Living Lab

Enhanced real-time motion transfer to 3D avatars using RGB-based human 3D pose estimation

AI-based geospatial intelligence solutions to analyse satellite earth observation imagery for detecting activities related to environmental crime – the PERIVALLON project

Multimodality in Media Retrieval

Multimedia Retrieval in and for XR

3DMSE: An Interactive 3D Media Search Engine

MUDDAT: A Sentinel-2 image-based muddy water benchmark dataset for environmental monitoring

Embodied Augmented Reality for Lower Limb Rehabilitation

Using atmospheric models to simulate backward certain gases that are the result of illegal activities and locate the source

Bias Detection and Mitigation in Textual Data: a Study on Fake News and Hate Speech Detection

Time-Quality Tradeoff of MuseHash Query Processing Performance

Multimodal 3D Object Retrieval

VERGE IN VBS 2024

A Framework for 3D Modeling of Construction Sites Using Aerial Imagery and Semantic NeRFs

Deep Explainability: Spin-Geometrical Neural Meta-Structures

Artificial Intelligence to counter Cyber-Terrorism

Designing an experimental virtual museum for extended social inclusion through multimodality (the extended abstract)

Evaluation of Explainable Artificial Intelligence methods in Language Learning Classification of Spanish Tertiary Education Students

Living Labs as an open innovation network: the ArtCast4D case study for immersive art environments

"DYNAMO: Dynamic Ontology Extension for Augmenting Chatbot Intelligence through BabelNet"

Neural Correlates of Human-Machine Trust in Autonomous Vehicles Context

Trend Detection in Crime-related Time Series with Change Point Detection Methods

Exploiting Approximate Joint Diagonalization for Covariance Estimation in Imagined Speech Decoding

Harneshing the Potential of EEG in Neuromarketing with Deep Learning and Riemannian Geometry

A Practical and Scalable Privacy-preserving Framework

App-based augmented reality to assess cognitive impairment in early Alzheimer’s disease

Motor-cognitive dual tasking in the clinical setting: a sensitive measure of functional impairment in early Alzheimer’s disease

A multimodal digital biomarker of functional deficits in early-stage Alzheimer's disease: results of the RADAR-AD study

Remote assessment of functional impairment in Alzheimer’s disease: results of the RADAR-AD study

Assessment of RMTs for Discriminating Stages of Alzheimer’s Disease

First insights exploring Activities of Daily Living performance captured through activity sensors in a Smart Home Environment as an indicator of cognitive decline: A cross-sectional Analysis

Paving the way for safer e-prescription: Presentation of the PrescIT platform

Response Time Improvement in Medical Emergency Departments Through Evolutionary Optimization.

Social media sensing for forest wildfires- a case study from Greece

Tweaking EfficientDet for frugal training

MuseHash: Supervised Bayesian Hashing for Multimodal Image Representation

Automatic transcription of Greek folk dance videos to labanotation based on autoencoders

Multisensory Representations and Immersive Experiences for Inclusive Cultural Heritage: The Case of MuseIT

"Ince-PD Model for Parkinson’s Disease Prediction Using MDS-UPDRS I & II and PDQ-8 Score"

Towards a taxonomy for health living lab data collection devices

WQeMS Platform for Insland and Surface Water Bodies’ Monitoring: Serving User Communities and Supporting Experts’ Analyses

TOWARDS A PARADIGM SHIFT ON MAPPING MUDDY WATERS IN WATER RESERVOIRS WITH SENTINEL-2 USING MACHINE LEARNING

Designing Stories from the Grave: Reviving the History of a city through Human Remains and Serious Games

Domain-aligned Data Augmentation for Low-resource and Imbalanced Text Classification

Graph-Based Data Association in Multiple Object Tracking: A Survey

Vehicle Color Identification Framework using Pixel-level Color Estimation from Segmentation Masks of Car Parts

The MindSpaces Knowledge Graph: Applied Logic and Semantics on Indoor and Urban Adaptive Design

Forecasting Cyber-Attacks to Destination Ports Using Machine Learning

An Explainable Intervention Prediction for Trauma Patients

Eliciting end-user requirements for the PrescIT platform, an intelligent e-prescription and clinical decision support system.

Investigating Brain Response of People with Cognitive Impairment during Meditation with wireless Muse EEG in a Smart-Home Setting

uPrevent: Project Overview of a Smart Insole for Diabetic Foot Ulcer Prevention

XR4DRAMA Knowledge Graph: A Knowledge Graph for Disaster Management

Stress detection based on wearable physiological sensors: Laboratory and real-life pilot scenario application.

Fusion of multiple classifiers using self supervised learning for satellite image change detection

Low-light image enhancement based on U-Net and Haar wavelet pooling

Comparison of deep learning techniques for video-based automatic recognition of Greek folk dances

VERGE in VBS 2023

ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2022

Multimodal Data Collection System for UAV-based Precision Agriculture Applications

e-Tracer: A Smart, Personalized and Immersive Digital Tourist Software System

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2022

Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach

ECHOES: An Interdisciplinary Approach in Digital Reviving of Archaeo-anthropological Material

Transforming storytelling into a story-living virtual museum: EPANASTASIS-1821

Social Media and Web Sensing with Semantic Integration on the Refugee Crisis

Standardized and extensible reference data model for clinical research in Living Labs

Ontology-based technologies for disaster preparedness, response and recovery

SILVANUS: An Integrated Technological and Information Platform for Wildfire Management – North Evia Pilot Area

ECHOES from the past through immersive technologies and creative industry

BiasUNet: Learning Change Detection over Sentinel-2 Image Pairs

Sentiment analysis on 2D images of urban and indoor spaces using deep learning architectures

A survey for image based methods in construction: from images to digital twins

Novel Paradigms of Human-Fashion Interaction

Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies

A Multitask Bayesian Framework for the analysis of Motor Imagery EEG Data

Web Bot Detection Evasion Using Deep Reinforcement Learning

An Explainable Multimodal Fusion Approach for Mass Casualty Incidents

ICT in Healthcare: the role of IoT and the SECANT solution

Host-based Cyber Attack Pattern Identification on Honeypot Logs Using Association Rule Learning

Towards Continuous Enrichment of Cyber Threat Intelligence: A Study on a Honeypot Dataset

Leveraging Cyber ranges for Prototyping, Certification and Training: The ECHO case

A tempοral Deep Convolutional Neural Network model on Sentinel-1 Image Time Series for pixel-wise Flood Classification

A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks

Water quality issues: Can we detect a creeping crisis with social media data?

Social Media and Web Sensing on Interior and Urban Design

Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning

BiasHash: A Bayesian Hashing Framework for Image Retrieval

SPARQL querying for validating the usage of automatically georeferenced social media data as human sensors for air quality

Selective Word Substitution for Contextualized Data Augmentation

VERGE in VBS 2022

Parallel DBSCAN-Martingale estimation of the number of concepts for automatic satellite image clustering

A Task Category Space for User-Centric Comparative Multimedia Search Evaluations, 28th International Conference on Multimedia Modelling

Human activity recognition with IMU and vital signs feature fusion

Reviving a Painting to Narrate a Story: Digital Storytelling through Creative Industries

"An early-warning system for fire spreading by monitoring simple climate conditions and combining Cellular Automata with Digital Twins"

Filling Cloud Gaps on Optical Time-Series through Optical and SAR Data Fusion for Cropland Monitoring

Imageability-based Multi-modal Analysis of Urban Environments for Architects and Artists

Detection of oil spills in an inland lake using Multi-Spectral Satellite Images

Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams

Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts

Exploring the potential of innovative methods for integrated water and flood risk management in the Oriental Alpes river district: the aqua3S approach

Monitoring daily activity of people living with cognitive impairment using wearable sensors and a tailored platform for health-care professionals: A long-term observational study

ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021

XR4DRAMA Knowledge Graph: A Knowledge Graph for Media Planning

Interactive Video Retrieval Evaluation at a Distance - Comparing Sixteen Interactive Video Search Systems in a Remote Setting at the 10th Video Browser Showdown

Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation

Towards a Privacy Respecting Image-based User Profiling Component

Products-6K: A Large-Scale Groceries Product Recognition Dataset

Leveraging Selective Prediction for Reliable Image Geolocation

WaterMM:Water Quality in Social Multimedia Task at MediaEval 2021

Implementation of an Interactive Crowd-Enhanced Content Management System for Tourism Development.

A Semantic Technologies Toolkit for Bridging Early Diagnosis and Treatment in Brain Diseases

Digital Biomarkers for Alzheimer’s Disease in a Real-Living Smart Home Environment: the RADAR-AD Tier 3 Study

Usage of Visual Analytics to Support Immigration-Related, Personalised Language Training Scenarios

Reconstructing EOG From EEG Timeseries: A Spatial Filtering Approach

Sparse Graph-based Representations of SSVEP Responses Under the Variational Bayesian Framework

OntoAqua: Ontology-based Modelling of Context in Water Safety and Security

Ontology based semantic model for health data interpretation.

Operation-wise Attention Network for Tampering Localization Fusion

Snapwear: A Snapchat AR filter for the virtual tryon of real clothes

A VR Application for the Virtual Fitting of Fashion Garments on Avatars

Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space system

How to Collect Factories’ Requirements for Smart Manufacturing in Context of Quality Control: the i4Q Approach

The PrescIT Project: Intelligent e-Prescription for Clinical Decision Support

Support2LIVE: Wearable Sensors, Analytics and the WeAreFamily App for Assisted Living with Dementia

The uPrevent Project: A Smart In-sole System for Foot Ulcer Prevention in Diabetic Patients

Spatio-temporal activity detection and recognition in untrimmed surveillance videos

Random-Walk Graph Embeddings and the Inﬂuence of Edge Weighting Strategies in Community Detection Tasks

ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges

Named Entity Recognition in Cyber Threat Intelligence Using Transformer-based Models

Web Bot Detection Evasion Using Generative Adversarial Networks

Towards Selecting Informative Content for Cyber Threat Intelligence

On the Use of Semantic Web Technologies for Forest Fire Emergencies in Resilient Societies

Cyber security certification programmes

Earthquakes: from Twitter detection to EO data processing

Multimodal data fusion of social media and satellite images for emergency response and decision-making

Human factors, device selection and application development for the RADAR-AD Study on digital biomarkers for Alzheimer’s Disease

Support2LIVE: A system to monitor and support the care of dementia using wearables

Lending an Artificial Eye: Beyond Evaluation of CV-Based Assistive Systems for Visually Impaired People

Crowd Violence Detection from Video Footage

VERGE in VBS 2021

A multimodal tensor-based late fusion approach for satellite image search in Sentinel 2 images

Fusion of Multimodal Sensor Data for Effective Human Action Recognition in the Service of a Medicine-Oriented Platform

An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control

A Denoising Hybrid Model for Anomaly Detection in Trajectory Sequences

Industrial Data Services for Quality Control in Smart Manufacturing - the i4Q Framework

CALLISTO: Copernicus Artificial Intelligence Services and data fusion with other distributed data sources and processing at the edge to support DIAS and HPC infrastructures

xR4DRAMA: Enhancing situation awareness using immersive (XR) technologies

Creating immersive experiences based on intangible cultural heritage

Applying Fairness Constraints on Graph Node Ranks Under Personalization Bias

Stopping Personalized PageRank without an Error Tolerance Parameter

Investigating the Impact of Pre-processing and Prediction Aggregation on the DeepFake Detection Task

Audio-based Near-Duplicate Video Retrieval with Audio Similarity Learning

Early and Late Fusion of Multiple Modalities in Sentinel Imagery and Social Media Retrieval

A graph-theoretic sensor-selection scheme for covariance-based Motor Imagery (MI) decoding

A Dimensionality Reduction Method for Data Visualization using Particle Swarm Optimization

Fourier Transform vs. Graph Fourier Transform for EEG-Based Emotion Recognition

Supporting the Discovery and Reuse of Digital Content in Creative Industries using Linked Data

ITI-CERTH participation in TRECVID 2020

Localization module for missing child scenario in IoT safety domains

A modified Single-Shot multibox Detector for beyond Real-Time Object Detection

Cycle-Consistent Adversarial Networks and Fast Adaptive Bi-dimensional Empirical Mode Decomposition for Style Transfer

Spatial Awareness for the Deafblind in Natural Language Presentation using SPIN Rules: A Use Case in the SUITCEYES Platform

Detection of Health-Related Problems of People with Dementia from Lifestyle Wearables: A Rule-Based Approach

A Case Study of NLG from Multimedia Data Sources: Generating Architectural Landmark Descriptions

A Pattern-based Semantic Lifting of Cloud and HPC Applications using OWL 2 Meta-modelling

EPANASTASIS-1821: Designing an Ιmmersive Virtual Museum for the Revival of Historical Events of the Greek Revolution

Improving the feeling of presence and immersion through convincing embodiment in VR

EPANASTASIS-1821: Reviving the naval history of the Revolution through full-immersive Virtual Reality

i-CHANGE: A platform for managing dockless bike sharing systems

Chatbot Research and Design: 4th International Workshop, CONVERSATIONS 2020, Virtual Event, November 23-24, 2020, Revised Selected Papers.

An Approach to Support Automated Deployment of Applications on Heterogeneous Cloud-HPC Infrastructures

MeVer Team Tackling Corona Virus and 5G Conspiracy Using Ensemble Classification Based on BERT

IMMERSE: A Personalized System Addressing the Challenges of Migrant Integration

colMOOC – an Innovative Coversational Agent Platform to Support MOOCs

User Identity Linkage in Social Media Using Linguistic and Social Interaction Features

Towards Semantic Detection of Smells in Cloud Infrastructure Code

Brain network analysis of people with Subjective Cognitive Decline related to Alzheimer's Disease: A Novel High-density EEG Study

Preface for CONVERSATIONS 2018 - 2nd International Workshop on Chatbot Research

Weverify: Wider and Enhanced Verification for You Project Overview and Tools

A graph theoretic sensor selection scheme for covariance based Motor Imagery (MI) decoding

Experiencing the impossible through virtual and augmented reality

Η2020 project Helios – A Context-aware Distributed Social Networking Framework

Parkinsonian patients experiences operating the computer with their eyes: the MAMEM project

Evidence-driven policy making using heterogeneous sources of data – the case of a control parking system

A Crowd Analysis Framework for Detecting Violence Scenes

Ontology-based Reasoning for Critical Incidents in Public Events

Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach

Knowledge-based Management and Reasoning on Cultural and Natural Touristic Detours

Knowledge-Based Fusion for Image Tampering Localization

A Multi Layer Fusion Approach For Real Time Fire Severity Assessment Based on Multimedia Incidents

Flood detection with Sentinel-2 satellite images in crisis management systems

Attention Mechanisms, Signal Encodings and Fusion Strategies for Improved Ad-hoc Video Search with Dual Encoding Networks

Fractional Step Discriminant Pruning: A Filter Pruning Framework for Deep Convolutional Neural Networks

A Web Service for Video Summarization

Wearable Sensors and Smartphone Apps as Pedometers in eHealth: a Comparative Accuracy, Reliability and User Evaluation

Human Factors and Requirements of People with Mild Cognitive Impairment, their Caregivers and Healthcare Professionals for eHealth Systems with Wearable Trackers

The ACTIVAGE Marketplace: Hybrid Logic-and Text-Based Discovery of Active and Healthy Ageing IoT Applications

eHealth4MS: Problem Detection from Wearable Activity Trackers to Support the Care of Multiple Sclerosis

ITI-CERTH participation in TRECVID 2019

An extensible framework for interactive real-time visualizations of large-scale heterogeneous multimedia information from online sources

Real-time Recognition of Daily Actions based on 3D Joint Movements and Fisher Encoding

Model-based and Class-based Fusion of Multisensor Data

VERGE in VBS 2020

LinkAUC: Unsupervised Evaluation of Multiple Network Node Ranks Using Link Prediction

Visual Information Analysis for Crisis and Natural Disasters Management and Response

A comparative study of clustering methods using word embeddings

ViSiL: Fine-grained spatio-temporal video similarity learning

V4Ann: Representation and Interlinking of Atom-based Annotations of Digital Content

Chatbot Research and Design

Work-In-Progress: SMART-WATER, a Νovel Τelemetry and Remote Control System Infrastructure for the Management of Water Consumption in Thessaloniki

RSSI Fingerprinting Techniques for Indoor Localization Datasets

AI4TV 2019: 1st International Workshop on AI for Smart TV Content Production, Access and Delivery

Border surveillance using computer vision enabled robotic swarms for semantically enriched situational awareness

Multimodal Fusion of Appearance Features, Optical Flow and Accelerometer Data for Speech Detection

Multimedia Analysis Techniques for Flood Detection Using Images, Articles and Satellite Imagery

Brenda Starr at SemEval-2019 Task 4: Hyperpartisan News Detection

Subclass deep neural networks: re-enabling neglected classes in deep network training for multimedia classification

ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning

Data-driven song recognition estimation using collective memory dynamics models

Motor Imagery Classification via Clustered-Group Sparse Representation

Sparse EEG Source Localization Under the Variational Bayesian Framework

Social media monitoring tools for air quality accounts

Deploying Semantic Web Technologies for Information Fusion of Terrorism related Content and Threat Detection on the Web

Smart Discovery of Cultural and Natural Tourist Routes

A Deep Neural Network Slope Reduction Model on Sentinel-1 Images for Water Mask Extraction

H2020 EOPEN Easing Copernicus data & services exploitation

Unsupervised Video Summarization via Attention-Driven Adversarial Learning

A Stepwise, Label-based Approach for Improving the Adversarial Training in Unsupervised Video Summarization

Using Discriminative Lasso to Detect a Graph Fourier Transform (GFT) Subspace for robust decoding in Motor Imagery BCI

Discrimination of SSVEP responses using a kernel based approach,

MindSpaces: Art-driven adaptive outdoors and indoors design

Autonomous swarm of heterogeneous robots for surveillance operations

A study of business cases from research grants in Europe following the triple and quadruple helix approach

A State of the Art Survey: Business Cases Based on Semantic Web Technologies in Healthcare

A Novel Compressive Sensing Scheme Under the Variational Bayesian Framework

A computer vision system supporting blind people - The supermarket case

Knowledge-based Intelligence and Strategy Learning for Personalised Virtual Assistance in the Healthcare Domain

Static and Dynamic Haptograms to Communicate Semantic Content: Towards Enabling Face-to-Face Communication for People with Deafblindness

Towards a framework for detecting advanced Web bots

Context Aggregation and Analysis: A Tool for User-Generated Video Verification

A Weighted Late Fusion Framework for Recognizing Human Activity from Wearable Sensors

The Crisis Classification component to strengthen the early warning, risk assessment and decision support in extreme climate events

DataTV 2019: 1st International Workshop on Data Driven Personalisation of Television

ΥΠΟΣΤΗΡΙΖΩ: ΣΥΣΤΗΜΑ ΥΠΟΒΟΗΘΟΥΜΕΝΗΣ ΔΙΑΒΙΩΣΗΣ ΗΛΙΚΙΩΜΕΝΩΝ ΜΕΣΩ ΦΟΡΗΤΩΝ ΣΥΣΚΕΥΩΝ

A Smart Dialogue-competent Monitoring Framework Supporting People in Rehabilitation

Smart Interconnected Infrastructure for Security and Safety in Public Places

REA: A Healthcare-Oriented Virtual Agent with Dialogue Capabilities

A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources

EOPEN: Open interoperable platform for unified access and analysis of earth observation data

Road passability estimation using deep neural networks and satellite image patches

3D ResNets for 3D Object Classification

Enhanced Virtual Learning Spaces Using Applied Gaming

An Authoring Tool For Educators To Make Virtual Labs

Identifying terrorism-related key actors in multidimensional social networks

Early Identification of Oil Spills in Satellite Images Using Deep CNNs

VERGE in VBS 2019

Training Researchers with the MOVING Platform

Temporal Lecture Video Fragmentation using Word Embeddings

Hybrid Video Annotation for Retrieval and Discovery of Newsworthy Video in a News Verification Scenario

Detecting tampered videos with multimedia forensics and deep learning

Image Aesthetics Assessment using Fully Convolutional Neural Networks

Adaptive Sensitive Reweighting to Mitigate Bias in Fairness-aware Classification

Twitter-Based Sensing of City-Level Air Quality

VenueRank: Identifying Venues that contribute to Artist Popularity

Social Media Observations for Flood Event Monitoring in Italy over a One-Year Period

Applying Semantic Web Technologies for Decision Support in Climate-Related Crisis Management

Earth Observation and Social Multimedia Data Fusion for Natural Hazards and Water Management: The H2020 EOPEN Project Paradigm

A Crisis Classification System for flood risk assessment: the beAWARE project

Evaluating the user experience of a financial e-learning platform featuring gamification and personalization services

DynaMat: Open data-based dynamic comparison and summarization of financial and CSR performance of companies

H-RANSAC: A HYBRID POINT CLOUD SEGMENTATION COMBINING 2D AND 3D DATA

Detection of Mental Task Related Activity in NIRS-BCI systems Using Dirichlet Energy over Graphs

ITI-CERTH participation in TRECVID 2018

Visual and Audio Analysis of Movies Video for Emotion Detection@ Emotional Impact of Movies Task MediaEval 2018

A multimodal approach in estimating road passability through a flooded area using social media and satellite images

Adaptive focused crawling using online learning: A study on content related to Islamic extremism

A deep neural network for oil spill semantic segmentation in SAR images

Sparse audio inpainting with variational Bayesian inference

Towards Integrating Conversational Agents and Learning Analytics in MOOCs

THE H2020-EO EOPEN PROJECT

Visdrone-det2018: The vision meets drone object detection in image challenge results

VisDrone-SOT2018: The Vision Meets Drone Single-Object Tracking Challenge Results

VisDrone-VDT2018: The vision meets drone video detection and tracking challenge results

Harmonizing Data Collection in an Ontology for a Risk Management Platform

beWARE: Enhancing Decision Support and Management Services in Extreme Weather Climate Events

Preface for CONVERSATIONS 2018-2nd International Workshop on Chatbot Research

Activity Recognition from Wearable Cameras

A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data

Detection of Mental Task Related Activity in NIRS-BCI systems Using Dirichlet Energy over Graphs

Sparse Kernel Machines for motor imagery EEG classification

Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing

From e-Government to we-Government an analysis towards participatory public services in the context of H2020 WeGovNow project

Speed Estimation and Abnormality Detection from Surveillance Cameras

People and vehicles in danger - A fire and flood detection system in social media

Fusion of Compound Queries with Multiple Modalities for Known Item Video Search

An Enhanced Cyber Attack Attribution Framework

Ontology-based Representation of Crisis Management Procedures for Climate Events

An ontology-based decision support framework for personalized quality of life recommendations

The sensor to decision chain in crisis management

Analysis of Suspended Terrorism-Related Content on Social Media

Flood relevance estimation from visual and textual content in social media streams

A Study of Intensional Concept Drift in Trending DBpedia Concepts

Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas

VERGE IN VBS 2018

Design of knowledge-based agent as a social companion

The H2020-EO EOPEN project

A Hybrid Recommendation System Based on Density-Based Clustering

Unsupervised Keyword Extraction Using the GoW Model and Centrality Scores.

"DigiArt: Exploring the Scladina cave", EuroVR2017: European Conference for Virtual Reality, Augmented Reality and Mixed Reality

KRISTINA: A Knowledge-Based Virtual Conversation Agent

FingerTrips: learning geography through tangible finger trips into 3D augmented maps

WeMake: A Framework for Letting Students Create Tangible, Embedded and Embodied Environments for Their Own STEAM Learning

Large-Scale Open Corporate Data Collection and Analysis as an Enabler of Corporate Social Responsibility Research

The STEP Project: Societal and Political Engagement of Young People in Environmental Issues

Learning to Detect Misleading Content on Twitter

MuVer’17 - First International Workshop on Multimedia Verification

MultiEdTech 2017: 1st International Workshop on Multimedia-based Educational and Knowledge Technologies for Personalized and Social Online Training

A motion-driven approach for fine-grained temporal segmentation of user-generated videos

Near-Duplicate Video Retrieval with Deep Metric Learning

Web Video Verification using Contextual Cues

A Topic Detection and Visualisation System on Social Media Posts.

ITI-CERTH participation in TRECVID 2017

A Domain-Agnostic Tool for Scalable Ontology Population and Enrichment from Diverse Linked Data Sources

A two-level classification approach for detecting clickbait posts using text-based features

LBP-flow and hybrid encoding for real-time water and fire classification

TOTEMSS: topic-based, temporal sentiment summarisation for Twitter

The InVID Plug-in: Web Video Verification on the Browser

Open-source monitoring, search and analytics over social media

Sparse Bayesian Learning for Multiclass Classification with application to SSVEP- BCI

An Error Aware SSVEP-based BCI

A comparison study on EEG signal processing techniques using motor imagery EEG data

Crater monitoring through social media observations

A Monitoring Tool for Terrorism-related Key-players and Key-communities in Social Media Networks

A Collaborative Representation Approach to Detecting Error-Related Potentials in SSVEP-BCIs

Combining the Benefits of CCA and SVMs for SSVEP-based BCIs in Real-world Conditions

Intelligent traffic city management from surveillance systems

Incremental accelerated kernel discriminant analysis

Visual and textual analysis of social media and satellite images for flood detection

Generic to Specific Recognition Models for Membership Analysis in Group Videos

Detection of Terrorism-related Twitter Communities using Centrality Scores

SpAtiAL: A Sensor based Framework to Support Affective Learning

SALIC: Social Active Learning for Image Classification

Pottery gestures style comparison by exploiting Myo sensor and forearm anatomy

DigiArt: Building New 3D Cultural Heritage Worlds

Expo: An Expectation–oriented System for Selecting Important Photos from Personal Collections

VideoAnalysis4ALL: An on-line tool for the automatic fragmentation and concept-based annotation, and the interactive exploration of videos

Concept Language Models and Event-based Concept Number Selection for Zero-example Event Detection

Query and Keyframe Representations for Ad-hoc Video Search

A Hybrid Approach for Biomedical Relation Extraction Using Finite State Automata and Random Forest-Weighted Fusion

Cross-domain Semantic Drift Measurement in Ontologies Using the SemaDrift Tool and Metrics

Sparse Bayesian Learning for Subject Independent Classification with Application to SSVEP-BCI

Steady State Visual Evoked Potential Detection Using Subclass Marginal Fisher Analysis

1st International Workshop on Search and Mining Terrorist Online Content & Advances in Data Science for Cyber Security and Risk on the Web

Description Logics and Rules for Multimodal Situational Awareness in Healthcare

Caption-guided patent image segmentation

VERGE IN VBS 2017

he Personal and Societal Impact of the Dementia Ambient Care (Dem@Care) Multi-sensor Remote Monitoring Dementia Care System

Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance

Multimodal Event Detection and Summarization in Large Scale Image Collections

Social Circle Discovery in Ego-Networks by Mining the Latent Structure of User Connections and Profile Attributes

PScore: a framework for enhancing privacy awareness in online social networks

Assessing the Reliability of Facebook User Profiling

Learning to Classify Users in Online Interaction Networks

A Disclosure Scoring Framework for Personal Data

Verifying Multimedia Use at MediaEval 2015

Detecting image splicing in the wild Web

The CERTH-UNITN Participation @ Verifying Multimedia Use 2015

Comparison of Fine-tuning and Extension Strategies for Deep Convolutional Neural Networks

CERTH/CEA LIST at MediaEval Placing Task 2015

News-oriented multimedia search over multiple social networks

Web image size prediction for efficient focused image crawling

User Empowerment for Enhanced Online Presence Management – Use Cases and Tools

Visual Event Summarization on Social Media using Topic Modelling and Graph-based Ranking Algorithms

Increasing transparency & privacy for Online Social Network users – USEMP value model, scoring framework & legal

Geotagging Social Media Content with a Refined Language Modelling Approach.

Web and Social Media Image Forensics for News Professionals

Predicting News Popularity by Mining Online Discussions

In-depth Exploration of Geotagging Performance using Sampling Strategies on YFCC100M

Placing Images with Refined Language Models and Similarity Search with PCA-reduced VGG Features

The VMU Participation @ Verifying Multimedia Use 2016

Verifying Multimedia Use at MediaEval 2016

A web-based service for disturbing image detection.

Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers

Studying the Cohesion Evolution of Genes Related to Chronic Lymphocytic Leukemia Using Semantic Similarity in Gene Ontology and Self-Organizing Maps

Classifying Salsa dance steps from skeletal poses

Capturing the Intangible: An Introduction to the i-Treasures Project

ITI-CERTH participation in TRECVID 2016

Incremental estimation of visual vocabulary size for image retrieval

Community Detection in Complex Networks Based on DBSCAN* and a Martingale Process

A Physical Metaphor to Study Semantic Drift

What do people expect from a financial awareness platform? Insights from an online survey

A Reputation-based Incentive Mechanism for a Crowdsourcing Platform for Financial Awareness

Semantic Technology for Financial Awareness

SemaDrift: A Protégé Plugin for Measuring Semantic Drift in Ontologies

User-Driven Ontology Population from Linked Data Sources

Semantic integration of web data for international investment decision support

Question Answering over Pattern-Based User Models

Towards Air Quality Estimation Using Collected Multimodal Environmental Data

A Hybrid Framework for Online Recognition of Activities of Daily Living In Real-World Settings

Hybrid Focused Crawling for Homemade Explosives Discovery on Surface and Dark Web

Query-based Topic Detection Using Concepts and Named Entities

Multimodal Sensing and Intelligent Fusion for Remote Dementia Care and Support

Key player identification in terrorism-related social media networks using centrality measures

hase-Amplitude coupling upon auditory stimuli and task relevant differentiations

A Framework for Measuring Semantic Drift in Ontologies

AKSDA-MSVM: a GPU-accelerated multiclass learning framework for multimedia

Deep Multi-task Learning with Label Correlation Constraint for Video Concept Detection

Interactive Discovery and Retrieval of Web Resources Containing Home Made Explosive Recipes

Personalized Privacy-aware Image Classification

Perceived versus Actual Predictability of Personal Information in Social Networks

WikiRate.org - Leveraging Collective Awareness to understand companies' Environmental, Social and Governance performance

Incentive Mechanisms for Crowdsourcing Platforms

A hybrid framework for news clustering based on the DBSCAN-Martingale and LDA

Applying SPARQL-based inference and ontologies for modelling and execution of clinical practice guidelines: A case study on hypertension management

A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion

Dem@ Home: Ambient Intelligence for Clinical Support of People Living with Dementia

Ontology-based Representation of Context of Use in Digital Preservation

Retrieval of Multimedia objects by Fusing Multiple Modalities

A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain

Towards an Ontology-driven Adaptive Dialogue Framework

Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities

A hybrid graph-based and non-linear late fusion approach for multimedia retrieval

Video Aesthetic Quality Assessment using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU)

Online Multi-Task Learning for Semantic Concept Detection in Video

Collection of Multimodal Environmental Data for Air Quality Estimation

Dem@Lab: Ambient Assisted Living Framework for the Assessment of Dementia in Clinical Trials

Dem@Home: Ambient Monitoring and Clinical Support for People Living with Dementia

Automated Assessment of Cognitive Impairment by Using a Sensor-based Method: The Dem@Care System

Assisted Living Technology for People with Cognitive Impairment in a Smart Home Environment: The Dem@care System

About Events, Objects, and their Relationships: Human-centered Event Understanding from Multimedia

VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval

Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees

Media REVEALr: A Social Multimedia Monitoring and Intelligence System for Web Multimedia Verification.

Multimodal Graph-based Event Detection and Summarization in Social Media Streams

A.Satsiou, M.Paterakis, “Impact of Frequency-Based Cache Management Policies on the Performance of Segment Based Video Caching Proxies.”, in Proc. of the Third International IFIP-TC6 Networking Conference, pp 1120—1131, Athens, Greece, 9-14 May , 2004.

A.Satsiou, M.Doumpos, C.Zopounidis, “Genetic Algorithms for the Optimization of Support Vector Machines in Credit Risk Rating.”, in Proc. of the 2nd International Conference on Enterprise Systems and Accounting, Thessaloniki, Greece, 11-12 July 2005

Efficient Caching of Video Content to an Architecture of Proxies according to a Frequency-Based Cache Management Policy

A.Satsiou, L.Tassiulas, “A Trust-Based Exchange Framework for Multiple Services in P2P Systems”, in Proc. of the 7th IEEE International Conference on P2P Computing, Galway, Ireland, 2-5 September 2007.

A.Satsiou, L.Tassiulas, “Dynamic Cooperation Enforcement through Trust-based Allocation Policies”, in Proc. of the 4th EURO-NGI International Conference on Next Generation Internet Networks, Krakow, Poland, 28-30 April 2008.

A.Satsiou, L.Tassiulas, “Reputation-based Internet Sharing in Wireless Neighborhood Community Networks”, in Proc. of the IEEE International Conference on Communications, Cape Town, South Africa, 23-27 May 2010

A. Satsiou, G. Koutitas, L. Tassiulas, “Reputation based Coordination of Prosumers Communities”, 1 st International Conference in Internet Science, Brussels, 9-11 April, 2013

A. Satsiou, L.Tassiulas, “Propagating Users' Similarity towards improving Recommender Systems”, in Proceedings of the 2014 IEEE/WIC/ACM International Conference on Web Intelligence, Warsaw, Poland, 11–14 August, 2014.

Προγνωστικά συστήματα στη ΧΛΛ: στατιστική σημαντικότητα = προβλεπτική ακρίβεια?

Dem@Care: Ambient Sensing and Intelligent Decision Support for the Care of Dementia

KnowSense: A Semantically-enabled Pervasive Framework to Assist Clinical Autonomy Assessment

Exploiting visual similarities for ontology alignment

Toward an automatic evaluation of retrieval performance with large scale image collections

USEMP: Finding Diverse Images at MediaEval 2015

ITI-CERTH participation to TRECVID 2015

ReDef: Context-aware Recognition of Interleaved Activities using OWL 2 and Defeasible Reasoning

Transforming your website to an augmented reality view

Personalized Modeling of Disease Evolution in CLL: Does Statistical Significance Translate into Predictive Accuracy?

Scalable Image Annotation Using a Product Compressive Sampling Approach

Ordering of Visual Descriptors in a Classifier Cascade Towards Improved Video Concept Detection

Video Event Detection using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU)

Synchronization of Multi-User Event Media at MediaEval 2015: Task Description, Datasets, and Evaluation

CERTH at MediaEval 2015 Synchronization of Multi-User Event Media Task

Using Photo Similarity and Weighted Graphs for the Temporal Synchronization of Event-Centered Multi-User Photo Collections

GPU accelerated generalised subclass discriminant analysis for event and concept detection in video

Real-time Health Monitoring and Contextualised Alerts Using Wearables

Supporting Cognitive Skills of People Suffering from Dementia through a Sensor-based System

Intelligent User Interfaces to Support Diagnosis and Assessment of People with Dementia: an Expert Evaluation

Sensor-based In-home Monitoring of People with Dementia Using Remote Web Technologies

A Sensor-Based System to Support Diagnosis and Assessment of Dementia

Presentation of lab and home pilot testing and results of the  Dem@Care system

Functional Assessment of Patients with Dementia and Mild Cognitive Impairment with the Help of a Multiple Sensor System

The use of ICT for the assessment of people with dementia and mild cognitive impairment within the Dem@care project

Dementia ambient care: a holistic approach to the management of dementia in multiple care settings

A Sensor-Based Framework to Support Clinicians in Dementia Assessment: The Results of a Pilot Study

An Ontology Design Pattern for Digital Video

PERICLES EU Integrated Project: Research Strategy and First Results

Monitoring Term Drift Based on Semantic Consistency in an Evolving Vector Field

Designing for Inconsistency - The Dependency-based PERICLES Approach

Classification using various ML Methods and Combinations of Key-Phrases and Visual Features

Concept Detection on Multimedia Web Resources about Home Made Explosives

A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web

SpatioTemporalActivityCells in BMVC2015

MULTISENSOR: DEVELOPMENT OF MULTIMEDIA CONTENT INTEGRATION TECHNOLOGIES FOR JOURNALISM, MEDIA MONITORING AND INTERNATIONAL EXPORTING DECISION SUPPORT

Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence

Event-Related Brain Activation In Alzheimer’s Disease

To Keep or not to Keep: An Expectation-oriented Photo Selection Method for Personal Photo Collections

Exploiting multiple web resources towards collecting positive training samples for visual concept learning

Photo Collection Contextualization

Learning Personalized Expectation-oriented Photo Selection Models for Personal Photo Collections

Investigating Human Behaviors in Selecting Personal Photos to Preserve Memories

A comprehensive aesthetic quality assessment method for natural images using basic rules of photography

Cascade of classifiers based on Binary, Non-binary and Deep Convolutional Network descriptors for video concept detection

Phase-Amplitude Cross-Frequency Coupling in EEG-derived Cortical Time Series upon an Auditory Perception Task

Gender Effect in Human Brain Responses to Bottom-up and Top-down Attention using the EEG 3D-Vector Field Tomography

Efficient activity recognition

Motionplanes ICIP

Improving Diversity in Image Search via Supervised Relevance Scoring

Combining Textual and Visual Information Processing for Interactive Video Retrieval: SCHEMA's Participation in TRECVID 2004

Social Event Detection at MediaEval 2013: Challenges, Datasets, and Evaluation

Multi-entity Bayesian Networks for Treasuring the Intangible Cultural Heritage

A Unified Model for Socially Interconnected Multimedia-Enriched Objects

VERGE: A Multimodal Interactive Video Search Engine

Real-time social media indexing and search

Scalable training with approximate incremental Laplacian Eigenmaps and PCA

An Ensemble Model for Cross-Domain Polarity Classification on Twitter

A soft frequent pattern mining approach for textual topic detection

Graph-Based Multimodal Clustering for Social Event Detection in Large Collections of Images

Challenges of computational verification in social multimedia

Benchmarking Graph Databases on the Problem of Community Detection

USEMP at MediaEval Placing Task 2014

SocialSensor at MediaEval Placing Task 2014

CERTH @ MediaEval 2014 Social Event Detection Task

Effective Brain Areas Identification Using 3D Vector Field Tomography

Tomographic Reconstruction of 3-D Vector Fields using a Discretized Integral Equations System

Cognitive Brain signal Processing: Healthy vs Alzheimer’s disease patients

Towards an Overall 3-D Vector Field Reconstruction via Discretization and a Linear Equations System

Multi-entity bayesian networks for knowledge-driven analysis of ICH content

A Study on the Use of a Binary Local Descriptor and Color Extensions of Local Descriptors for Video Concept Detection

Video Hyperlinking

Human-centered Event Understanding from Multimedia

Summary Abstract for the 3rd ACM International Workshop on Multimedia Analysis for Ecological Data

CERTH at MediaEval 2014 Synchronization of Multi-User Event Media Task

LinkedTV at MediaEval 2014 Search and Hyperlinking Task

Social Event Detection at MediaEval 2014: Challenges, Datasets, and Evaluation

Synchronization of Multi-User Event Media (SEM) at MediaEval 2014: Task Description, Datasets, and Evaluation

News articles classification using Random Forests and weighted multimodal features

ITI-CERTH participation to TRECVID 2014

SocialSensor: Finding Diverse Images at MediaEval 2014

CERTH at MediaEval Placing Task 2013

SocialSensor: Finding Diverse Images at MediaEval 2013

A Comparative Study on the Use of Multi-Label Classification Techniques for Concept-Based Video Indexing and Annotation

ReSEED: Social Event dEtection Dataset

Social Event Detection at MediaEval: a three-year retrospect of tasks and results

Video event detection using generalized subclass discriminant analysis and linear support vector machines

Seamlessly interlinking TV and Web content to enable Linked Television

No-Reference blur assessment in natural images using Fourier transform and spatial pyramids

Concept-based image clustering and summarization of event-related image collections

Automatic fine-grained hyperlinking of videos within a closed collection using scene segmentation

Key-phrase Extraction using Textual and Visual Features

Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data

Knowledge-driven Activity Recognition and Segmentation Using Context Connections

The DemaWare Service-Oriented AAL Platform for the Dem@Care System

Towards modelling visual ambiguity for visual object detection

Swarm - based Motion Features for Anomaly Detection in Crowds

HOW MANY MORE IMAGES DO WE NEED? PERFORMANCE PREDICTION OF BOOTSTRAPPING FOR IMAGE CLASSIFICATION

Gnorasi: A Modular Knowledge-based Platform for Object-based Image Analysis

LinkedTV at MediaEval 2013 Search and Hyperlinking Task

From Raw Data to Semantically Enriched Hyperlinking: Recent Advances in the LinkedTV Analysis Workflow

Think Before You Link - Meeting Content Constraints when Linking Television to the Web

Fast Shot Segmentation Combining Global and Local Visual Descriptors

LUMO: The LinkedTV User Model Ontology

LiFR: A Lightweight Fuzzy DL Reasoner

The extraction and fusion of meteorological and air quality information for orchestrated services

Focused Crawling of Environmental Web Resources: A Pilot Study on the Combination of Multimedia Evidence

Social Data and Multimedia Analytics for News and Events Applications

VERGE: An Interactive Search Engine for Browsing Video Collections

Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing

ITI-CERTH participation to TRECVID 2013

Active Learning in Social Context for Image Classification

Concept extraction from patent images based on recursive hybrid classification

Semantically Enriching an Open Source SOS Implementation for Accessing Heterogeneous Environmental Data Sources

Discovery of Environmental Resources based on Heatmap Recognition

Discovery of Weather Forecast Web Resources based on Ontology and Content-driven Hierarchical Classification

Cluster-based Photo Browsing and Tagging on the Go

Involving the Expert in the Delivery of Environmental Information from the Web

Improving event detection using related videos and Relevance Degree Support Vector Machines

Community Structure and Evolution Analysis of OSN interactions around Real-world Social Phenomena

EventSense: Capturing the Pulse of Large-scale Events by Mining Social Media Streams

Large-scale semi-supervised learning by Approximate Laplacian Eigenmaps, VLAD and Pyramids

Panacea, a Semantic-enabled Drug Recommendations Discovery Framework

ImproveMyCity - An open source platform for direct citizen-government communication

Reality mining in urban space

Activity detection and recognition of daily living events

A Framework for Automatic Detection of Lumen-Endothelium Border in Intracoronary OCT Image Sequences

Evaluation of Speech-Based Protocol for Detection of Early-Stage Dementia

DemCare action dataset for evaluating dementia patients in a home-based environment

Video event recounting using mixture subclass discriminant analysis

Enhancing video concept detection with the use of tomographs

Multimedia Analysis for Ecological Data

Enrichment of News Show Videos with Multimodal Semi-Automatic Analysis

Semi-Automatic Video Analysis for Linking Television to the Web

Modeling and Representing Events in Multimedia

Modeling, Detecting, and Processing Events in Multimedia

Using Tagged Images of Low Visual Ambiguity to Boost the Learning Efficiency of Object Detectors

A comparative study on mobile visual recognition

Ontology Patterns for Complex Activity Modelling

SP-ACT: A Hybrid Framework for Complex Activity Recognition Combining OWL and SPARQL Rules

The 2012 Social Event Detection Dataset

Video event detection using a subclass recoding error-correcting output codes framework

Fast object re-detection and localization in video for spatio-temporal fragment creation

Robust Monocular Recognition of Activities of Daily Living for Smart Homes

Social Event Detection at MediaEval 2012: Challenges, Dataset and Evaluation

CERTH's Participation at the Photo Annotation Task of ImageCLEF 2012

Semi-supervised concept detection by learning the structure of similarity graphs

SocialSensor: Surfacing Real-Time Trends and Insights from Multiple Social Networks

"Making Sense of it All": An Attempt to Aid Journalists in Analysing and Filtering User Generated Content

SocialSensor: Sensing User Generated Input for Improved Media Discovery and Experience

Contextualised user profiling in networked media environments

Semantic personalisation in networked media: determining the background knowledge

Environmental Data Extraction from Multimedia Resources

An Environmental Search Engine based on Interactive Visual Classification

ITI-CERTH participation to TRECVID 2012

Smoke Detection Using Temporal HOGHOF Descriptors and Energy Colour Statistics from Video

Extraction of environmental data from on-line environmental information sources

Personalized environmental service orchestration for quality of life improvement

Video monitoring for activities of daily living recognition

Recognition of Activities of Daily Living

Geometrically-correct 3D OCT: proof of concept, methodology and First-in-Man validation study

Plaques with increased lipid core and thin fibrous cap occur in coronary artery regions with low endothelial shear stress

An Empirical Study on the Combination of SURF Features with VLAD Vectors for Image Search

Social Event Detection using Multimodal Clustering and Integrating Supervisory Signals

Differential Edit Distance as a countermeasure to video scene ambiguity

GalenOWL: Ontology based drug recommendations discovery

Patmedia: Augmenting Patent Search with Content-based Image Retrieval

Discovery of Environmental Nodes in the Web

Model-based extraction of image area descriptors using a multi-scale attention operator

Multi-Modal Region Selection Approach for Training Object Detectors

Image interpretation by combining ontologies and bayesian networks

GLOCAL: Event-based Retrieval of Networked Media

Personalized Environmental Service Configuration and Delivery Orchestration: The PESCaDO Demonstrator

Intelligent Multi Sensor Fusion System for Advanced Situation Awareness in Urban Environments

Exploiting gaze movements for automatic video annotation

Timely, Robust Crowd Event Characterization

ITI-CERTH participation to TRECVID 2011

City exploration by use of spatio-temporal analysis and clustering of user contributed photos

Extracting Emergent Semantics from Large-Scale User-Generated Content

Spatiotemporally Localized New Event Detection in Crowds

Social Event Detection at MediaEval 2011: Challenges, Dataset and Evaluation

CERTH @ MediaEval 2011 SED Task

Study on Mobile Image Search

Improving interactive video retrieval by exploiting automatically-extracted video structural semantics

An approach to Intelligent Information Fusion in Sensor Saturated Urban Environments

A Comparative Study of Spatial, Temporal and Content-based Patterns Emerging in YouTube and Flickr

Building an Environmental Information System for Personalized Content Delivery

Video Scene Segmentation System Using Audio-Visual Features

An Eye-tracking-based Approach to Facilitate Interactive Video Search

Semi-Supervised object recognition using flickr images

High-level event detection in video exploiting discriminant concepts

High-level Event Detection System Based on Discriminant Visual Concepts

GPU Acceleration for Support Vector Machines

ITI-CERTH participation to TRECVID 2010

Service-Based Infrastructure for User-Oriented Environmental Information Delivery

Real Time Motion Changes for New Event Detection and Recognition

Real Time Illumination Invariant Motion Change Detection

Automatic event-based indexing of multimedia content using a joint content-event model

On the use of visual soft semantics for video temporal decomposition to scenes

A joint content-event model for event-centric multimedia indexing

On the use of feature tracks for dynamic concept detection in video

Using Event Representation and Semantic Enrichment for Managing and Reviewing Emergency Incident Logs

ClustTour: City Exploration by use of Hybrid Photo Clustering

Optimizing Visual Search with Implicit User Feedback in Interactive Video Retrieval

VERGE: A Video Interactive Retrieval Engine

Content-Based Retrieval of Complex Binary Images

Probabilistic Combination of Spatial Context with Visual and Co-occurrence Information for Semantic Image Analysis

A Graph-based Clustering Scheme for Identifying Related Tags in Folksonomies

Image Clustering through Community Detection on Hybrid Image Similarity Graphs

Exploiting Implicit User Feedback in Interactive Video Retrieval

A Statistical Learning Approach to Spatial Context Exploitation for Semantic Image Analysis

Collective Intelligence in Mobile Consumer Social Applications

On the use of audio events for improving video scene segmentation

Local invariant feature tracks for high-level video feature extraction

EXPLORING TEMPORAL ASPECTS IN USER-TAG CO-CLUSTERING

Trends and Issues in Description Logics Frameworks for Image Interpretation

Clustering of Social Tagging System Users: A Topic and Time Based Approach

Information analysis in mobile social networks for added-value services

ITI-CERTH participation to TRECVID 2009 HLFE and Search

Cross-Media Knowledge Extraction in the Car Manufacturing Industry

Leveraging Collective Intelligence through Community Detection in Tag Networks

Video processing for judicial applications

Generalized concept overlay for semantic multi-modal analysis of audio-visual content

Εφαρμογή Αυτοματοποιημένης Τρισδιάστατης Ανασύνθεσης Στεφανιαίων Αρτηριών στην Ανίχνευση Ευάλωτων Αθηρωματικών Πλακών

Multi-Modal Scene Segmentation Using Scene Transition Graphs

Correlation-Based Pruning of Stacked Binary Relevance Models for Multi-Label Learning

A Semantic Framework for Personalized Ad Recommendation based on Advanced Textual Analysis

MKLab Interactive Video Retrieval System

Combining Multimodal and Temporal Contextual Information for Semantic Video Analysis

An Empirical Study of Multi-Label Learning Methods for Video Annotationvd

Modeling Facial Expressions and Peripheral Physiological Signals to Predict Topical Relevance

An evidence-driven probabilistic inference framework for semantic image understanding

Leveraging Social Media For Training Object Detectors

Detecting and Understanding Web communities

Full Action Instances for Motion Analysis

Change Detection for Video

Compound document analysis by fusing evidence across media

Towards fully un-supervised methods for generating object detection classifiers using social data

Comparative Evaluation of Spatial Context Techniques for Semantic Image Analysis

Lexical Graphs for Improved Contextual Ad Recommendation

Exploitation of knowledge in video recordings

Leveraging Web 2.0 Communities in Professional Organisations

Integrating Image Segmentation and Classification for Fuzzy Knowledge-based Multimedia Indexing

Using Fuzzy DLs to Enhance Semantic Image Analysis

K-Space at TRECVid 2008

MESH participation to TRECVID2008 HLFE

A Learning Oriented Technological Framework for iDTV

Detection of Multiple Subevents in Space and Time for Video Analysis

Human Activity Localization via Sequential Change Detection

Statistical Processing of Video for Detection of Events in Space and Time

Wavelet Domain Processing for Trajectory Extraction

Continuous Wavelet Transform for Time-Varying Motion Extraction

AQUAM: Automatic Query Formulation Architecture for Mobile Applications

Combining Segmentation and Classification Techniques for Fuzzy Knowledge-based Semantic Image Annotation

COST292 experimental framework for TRECVID 2008

Statistical Motion Information Extraction and Representation for Semantic Event Detection

SEMSOC: SEMantic, SOcial and Content-based Clustering in Multimedia Collaborative Tagging Systems

Efficient Media Exploitation towards Collective Intelligence

Generating Collective Intelligence

Co-clustering Tags and Social Data Sources

Gradual transition detection using color coherence and other criteria in a video shot meta-segmentation framework

Video shot meta-segmentation based on multiple criteria for gradual transition detection

MKLab Interactive Video Retrieval System

Estimation and Representation of Accumulated Motion Characteristics for Semantic Event Detection

Digg it Up! Analyzing Popularity Evolution in a Web 2.0 Setting

Integration of Semantic, Metadata and Image search engines with a text search engine for patent retrieval

Accumulated Motion Energy Fields Estimation and Representation for Semantic Event Detection

Knowledge-assisted cross-media analysis of audio-visual content in the news domain

A T-learning Courses Development and Presentation Framework

A Comparative Study of Classification Techniques for Knowledge-Assisted Image Analysis

Distributed User Modeling for Personalized News Delivery in Mobile Devices

Enhancing enterprise knowledge processes via cross-media

A Modular Framework for Ontology-based Representation of Patent Information

The COST292 experimental framework for TRECVID 2007

Knowledge-based Semantic Annotation and Retrieval of Multimedia Content

Video Segmentation and Semantics Extraction from the Fusion of Motion and Color Information

Joint Motion and Color Statistical Video Processing for Motion Segmentation

Automated IVUS contour detection using intensity features and Radial Basis Function approximation

Combining Content and Context Information for Semantic Image Analysis and Classification

Ontology-Based Trajectory Analysis for Semantic Event Detection

Capturing MPEG-7 Semantics

Multimedia Reasoning with Natural Language Support

Ontology-Driven Semantic Video Analysis Using Visual Information Objects

K-Space at TRECVid 2007

A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections

Exploiting Social Software to Semantically Enrich Multimedia Content for Online Communities

Hybrid Ontology and Visual-based Retrieval for Cultural Heritage Multimedia Libraries

ITI interactive video retrieval system

Knowledge-Assisted Video Analysis for Content-Adaptive Coding and Transmission

Semantic image analysis using a learning approach and spatial context

Using Context and a Genetic Algorithm for Knowledge-Assisted Image Analysis

COST292 experimental framework for TRECVID 2006

A Fully Automated Texture-based Approach for the Segmentation of Sequential IVUS Images

A Hybrid Ontology and Content-Based Search Engine For Multimedia Retrieval

A Learning Approach to Semantic Image Analysis

M-OntoMat-Annotizer: Image Annotation. Linking Ontologies and Multimedia Low-Level Features

A Genetic Algorithm Approach to Ontology-Driven Semantic Image Analysis

M-OntoMat-Annotizer: Linking Ontologies with Multimedia Low-Level Features for Automatic Image Annotation

Advances in semantic multimedia analysis for personalised content access

Multimedia Analysis and Annotation Requirements for the Semantic Web

Creating a MESH of Multimedia News Feeds

An Overview of Multimodal Video Representation for Semantic Analysis

Ontology-Based Access to Multimedia Cultural Heritage Collections - The REACH Project

Using a Multimedia Ontology Infrastructure for Semantic Annotation of Multimedia Content

Validation of a new semi-automatic method for lumen and media-adventitia borders detection in sequential intravascular ultraso

A Genetic Algorithm-based Approach to Knowledge-assisted Video Analysis

An Active Contour Model Approach for Segmentation of Intravascular Ultrasound Image Sequences

An Ontology Infrastructure for Multimedia Reasoning

Combined Domain Specific and Multimedia Ontologies for Image Understanding

An Extensible Modular Common Reference System for Content-based Information Retrieval: the SCHEMA Reference System

Semantic Annotation of Images and Videos for Multimedia Analysis

A Region-based Approach to Conceptual Image Classification

Knowledge-Assisted Video Analysis Using a Genetic Algorithm

The SCHEMA Reference System: An Extensible Modular System for Content-based Information Retrieval

A polygonal mesh partitioning algorithm based on protrusion conquest for perceptual 3D shape description

Shredded document reconstruction using MPEG-7 standard descriptors

Achieving Integration of Knowledge and Content Technologies: The AceMedia Project

An Ontology Framework For Knowledge-Assisted Semantic Video Analysis and Annotation

Knowledge Representation for Semantic Multimedia Content Analysis and Reasoning

A knowledge-based approach to domain-specific compressed video analysis

Combining multiple segmentation algorithms and the MPEG-7 eXperimentation Model in the Schema Reference System

Object segmentation and ontologies for MPEG-2 video indexing and retrieval

A test-bed for region-based image retrieval using multiple segmentation algorithms and the MPEG-7 eXperimentation Model: The S

Integrating Knowledge, Semantics and Content for User-Centred Intelligent Media Services: the aceMedia Project

Compressed-domain object detection for video understanding

Advanced Content-Based Semantic Scene Analysis and Information Retrieval: The SCHEMA project

Ontologies for Object-based Image Retrieval

An Ontology Approach to Object-Based Image Retrieval

Still image objective segmentation evaluation using ground truth

Real-time compressed-domain spatiotemporal video segmentation

Region and object segmentation algorithms in the Qimera segmentation platform

Segmentation and Content-based Watermarking for Image Indexing

A Framework for the Efficient Segmentation of Large-format Color Images

A World Wide Web Region-based Image Search Engine

Still Image Segmentation Tools for Content-based Multimedia Applications

Content-based Watermarking for Indexing Using Robust Segmentation

Region-Based Color Image Indexing and Retrieval