In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
Within a database mobile environment, cached data on mobile clients can take the form of materialized views. In order to e ciently maintain such materialized views while taking in...
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...