Ontos Solutions for Semantic Web: Text Mining, Navigation and Analytics. - Vladimir F. Khoroshevsky; Irina Efimenko; Grigory Drobyazko; Polina Kananykina; Victor P. Klintsov; Dmitry Lisitsin; Viacheslav Seledkin; Anatoli Starostin; Vyacheslav Vorobyov (AIS-ADM, 2007)

Discover Shadow Groups from the Dark Web. - Daniel Hladky; Christian Ehrlich; Irina Efimenko; Vyacheslav Vorobyov (Web Intelligence and Security - Advances in Data and Text Mining Techniques for Detecting and Preventing Terrorist Activities on the Web, 2010)