Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
This paper deals with various kinds of mental representations available for linguistic instruction in spatial humanrobot interaction. After a survey of the literature on spatial r...
This paper1 discusses the use of `conversational' or `dialogue games' as a basis for building dialogue systems. We give a tutorial overview of some recent attempts to re...
Credit networks represent a way of modeling trust between entities in a network. Nodes in the network print their own currency and trust each other for a certain amount of each ot...
Recent work in Ontology learning and Text mining has mainly focused on engineering methods to solve practical problem. In this thesis, we investigate methods that can substantially...