The recent popularization of social web services has made them one of the primary uses of the World Wide Web. An important concept in social web services is social actions such as...
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...
RDDOnto is an ontology that translates the MPEG-21 RDD (Rights Data Dictionary) specification into a hierarchical set of definitions with semantic content included. In the event th...
Abstract. We present a dialogue system that enables the access in natural language to a web information retrieval system. We use a Web Semantic Language to model the knowledge conv...