It is well known that some XML elements correspond to objects (in the sense of object-orientation) and others do not. The question we consider in this paper is what benefits we can derive from paying attention to such object semantics, particularly for the problem of keyword queries. Keyword queries against XML data have been studied extensively in recent years, with several lowest-common-ances...

Morality and justice have apparent similarities. Both facilitate social interaction, coordination, and cooperation. Both can feel like external standards that somehow should carry more weight than individuals’ preferences. That said, morality and justice are not synonymous. Scholars as far back as Aristotle have identifi ed ways that morality and justice differ (see Konow, 2008 ). In this chapt...

Abstract This paper applies a new approach to the identification of discourses, based on Multiple Correspondence Analysis (MCA), study discourse variation over time. The MCA keywords deals with major issue use identify discourses: allocation individual multiple discourses. Yet, as this demonstrates, also allows us observe in prevalence discourses texts patterns keyword co-occurrence. Metadata c...