Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
In the framework of Knowledge Management, the Internet can be a valuable source of information to produce new Knowledge. Here, an ontologybased web search system to ease the enterp...
A Web repository is a large special-purpose collection of Web pages and associated indexes. Many useful queries and computations over such repositories involve traversal and navig...
Web search query logs contain traces of users’ search modifications. One strategy users employ is deleting terms, presumably to obtain greater coverage. It is useful to model a...
Abstract. We define a language for Web services contracts as a parallelfree fragment of ccs and we study a natural notion of compliance between clients and services in terms of th...