We propose a framework for querying heterogeneous XML data sources. The framework ensures high autonomy to participating sources as it does not rely...

Web-based computerized auctions are increasingly present in the Internet.We can imagine that in the future this trend will actually be extended to si...

There is an increasing number of people reading, writing, and commenting on blogs. According to a recent survey made by Technorati, there are about 7...

The concept of relevance is a hot topic in the information retrieval process. In recent years the extreme growth of digital documents brought to ligh...

Increasingly, application developers seek the ability to search for existingWeb services within large Internet-based repositories. The goal is to retr...