Leveraging Massive User Contributions for Knowledge Extraction

S. Nikolopoulos, E. Chatzilari, E. Giannakidou, S. Papadopoulos, I. Kompatsiaris, A. Vakali. "Leveraging Massive User Contributions for Knowledge Extraction". In book Next Generation Data Technologies for Collective Computational Intelligence,  Bessis, Nik; Xhafa, Fatos (Eds.), book series:Studies in Computational Intelligence, vol. 352, 1st Edition., XVIII, 638 p. 211, Springer 2011, ISBN 978-3-642-20343-5