Abstract. We prove a weak version of the dynamic programming principle for standard stochastic control problems and mixed control-stopping problems, which avoids the technical diļ¬...
In this paper we examine user queries with respect to diversity: providing a mix of results across different interpretations. Using two query log analysis techniques (click entrop...
Paul Clough, Mark Sanderson, Murad Abouammoh, Serg...
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
Virtual worlds are developing rapidly over the internet. They are visited by avatars and staffed with Embodied Conversational Agents (ECAs). An avatar is a representation of a phys...
Existing approaches to classifying documents by sentiment include machine learning with features created from n-grams and part of speech. This paper explores a different approach ...