Ontologies are increasingly used in various applications (e.g., semantic interoperability, data integration). In particular, there is a trend in applying ontologies to improve resu...
The emergence of the global Internet has dramatically broadened and changed the computing landscape. In particular, much of the value in contemporary computing systems derives fro...
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
Information personalization is fertile ground for application of AI techniques. In this article I relate personalization to the ability to capture partial information in an informa...
Knowledge Provenance is an approach to determining the origin and validity of knowledge/information on the web by means of modeling and maintaining information sources and dependen...