This paper illustrates the use of a post-mortem call-graph profiling tool in the analysis of an SQL query processing application written using BSPIib [4]. Unlike other parallel pro...
Jonathan M. D. Hill, Stephen A. Jarvis, Constantin...
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
The problems of query containment, equivalence, and minimization are recognized as very important in the context of query processing, specifically of query optimization. In their...
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
The Pathfinder XQuery compiler has been enhanced by a new code generator that can target any SQL:1999-compliant relational database system (RDBMS). This code generator marks an im...
Torsten Grust, Manuel Mayr, Jan Rittinger, Sherif ...