“…Barry and Schamber, 1998). In addition, the search for just the right balance of cognitively influenced aspects that define a user's ability to make relevance judgments has been approached from a variety of directions without much success in unifying the theoretical concepts associated with relevance, including cognitive modeling (Daniels, 1986;Belkin, 1990;Ellis, 1992;Harter, 1992;Ingwersen, 1996) satisfaction (Gluck, 1996;Thong & Yap, 1996), value (Su, 1998), task (Allen, 1996;Belkin et. al., 1990), utility (Bates, 1996), pertinence (Kemp, 1974;Howard, 1994), and situation (Wilson, 1973).…”