IDEAS
2009
IEEE
13 years 2 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
This paper is concerned with a transformation-based approach to update propagation in an extended version of Codd’s relational algebra which allows for defining derived relatio...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
In designing dynamic situations such as cyberworlds, we the Incrementally Modular Abstraction Hierarchy (IMAH) to be an appropriate mathematical background to model dynamically ch...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
Database Management Systems (DBMSs) that can be tailored to specific requirements offer the potential to improve reliability and maintainability and simultaneously the ability t...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...