Although a user’s navigation history contains a lot of hidden information about the relationship between web pages and between users, this information is usually not exploited. ...
In large web search engines the performance of Information Retrieval systems is a key issue. Block-based compression methods are often used to improve the search performance, but c...
Information systems often require combining datasets available in different formats, and geographical information systems are no exception. While semantic technologies have been u...
It has been a few years since the semantic Web was initiated by W3C, but its status has not been quantitatively measured. It is crucial to understand the status at this early stag...
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...