“…G. Salton and R. Papka have proposed new events detection in the content flow (Salton, 1979), (Papka, 1999). B. Boiko, S. McKeever, A. Rockley, G. McGovern, J. Hackos, R. Nakano, B. Doyle, Halverson have described a model of the commercial content lifecycle in the works (Boiko, 2005), (Doyle, 2005), (Hackos, 2002), (Halverson, 2009), (McGovern, & Norton, 2001), (McKeever, 2003), (Nakano, 2002), (Rockley, & Cooper, 2002), (Stone, 2003), (Vysotska, & Chyrun, 2011). In works (Pasichnyk, Scherbyna, Vysotska, & Shestakevych, 2012), (Soroka, & Tanatar, 1998), (Fedorchuk, 2005) …”