Information Retrieval - Pavel Braslavski, Ilya Markov, Panos Pardalos, Yana Volkovich, Dmitry I. Ignatov, Sergei Koltsov, Olessia Koltsova; Ignatov, Dmitry I.; Koltsov, Sergei; Koltsova, Olessia; Markov, Ilya; Pardalos, Panos; Volkovich, Yana (Springer International Publishing, 2016)