A. Borisov, M. Wardenaar, I. Markov, и M. de Rijke. The 41st International ACM SIGIR Conference on Research &\#38; Development in Information Retrieval, стр. 45--54. New York, NY, USA, ACM, (2018)
C. Krishnan, S. Rajakumari, и M. Mehraj. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (4):
1750--1754(апреля 2015)
M. Bhosale, N. Jagdale, S. Gawali, и V. Dhotre. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (3):
1609--1612(марта 2015)