In order to return relevant search results, a search engine must keep its local repository synchronized to the Web, but it is usually impossible to attain perfect freshness. Hence...
The seemingly simple choice of whether to use call variance or call subsumption in a tabled evaluation deeply affects an evaluation’s properties. Most tabling implementations hav...
An increasing level of cooperation between public administrations nowadays on national, regional and local level requires methods to develop interoperable EGovernment systems and ...
Online social media applications have exploded in popularity in the Web. In most of these applications, users interact with other users and create content that becomes available o...
Replication is a technique commonly used to increase the availability of services in distributed systems, including grid and web services. While replication is relatively easy for...
Xianan Zhang, Flavio Junqueira, Matti A. Hiltunen,...