Hybrid Focused Crawling on the Surface and the Dark Web

C. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, Ι. Kompatsiaris, "Hybrid Focused Crawling on the Surface and the Dark Web", EURASIP Journal on Information Security, vol. 2017, no. 11, 2017. DOI: 10.1186/s13635-017-0064-5