Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
In this paper we propose a new bottom-up query evaluation method for stratified deductive databases based on the Magic Set approach. As the Magic Sets rewriting may lead to unstra...
The performance skeleton of an application is a short running program whose execution time in any scenario reflects the estimated execution time of the application it represents....
This paper presents a novel application of a semantic annotation system, named Cerno, to analyze research publications in electronic format. Specifically, we address the problem of...
Relational OLAP tools and other database applications generate sequences of SQL statements that are sent to the database server as result of a single information request issued by...