HiBO: a system for automatically organizing bookmarks. - Pavlos Kokosis; Vlassis Krikos; Sofia Stamou; Dimitris Christodoulakis (JCDL, 2005)

Web Directory Construction Using Lexical Chains. - Sofia Stamou; Vlassis Krikos; Pavlos Kokosis; Alexandros Ntoulas; Dimitris Christodoulakis (NLDB, 2005)

DirectoryRank: ordering pages in web directories. - Vlassis Krikos; Sofia Stamou; Pavlos Kokosis; Alexandros Ntoulas; Dimitris Christodoulakis (WIDM, 2005)

Classifying Web Data in Directory Structures. - Sofia Stamou; Alexandros Ntoulas; Vlassis Krikos; Pavlos Kokosis; Dimitris Christodoulakis (APWeb, 2006)