High-order pLSA for indexing tagged images

S. Nikolopoulos, S. Zafeiriou, I. Patras and I. Kompatsiaris, "High-order pLSA for indexing tagged images", Signal Processing Elsevier, Special Issue on Indexing of Large-Scale Multimedia Signals, Volume 93, Issue 8, August 2013, Pages 2212-2228, author's accepted manuscript