Sciweavers

1180 search results - page 113 / 236
» A Logical Data Model for Integrated Geographical Databases
Sort
View
KES
2010
Springer
15 years 2 months ago
Talking Biology in Logic, and Back
While computation of biological information takes center stage in today’s research, knowledge-based query processing in biological databases has not gained much attention. The co...
Hasan Jamil
GIS
2010
ACM
15 years 2 months ago
Topological reasoning between complex regions in databases with frequent updates
Reasoning about space has been a considerable field of study both in Artificial Intelligence and in spatial information theory. Many applications benefit from the inference of ...
Arif Khan, Markus Schneider
ICDE
2005
IEEE
176views Database» more  ICDE 2005»
16 years 5 months ago
Optimizing ETL Processes in Data Warehouses
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis, Panos Vassiliadis, Timos K. Sellis
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
15 years 10 months ago
Load and Network Aware Query Routing for Information Integration
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
Wen-Syan Li, Vishal S. Batra, Vijayshankar Raman, ...
DLOG
2003
15 years 5 months ago
Applying Description Logic to Product Behavioral Design within Advanced CAD Systems
In this paper, we investigate the use of Description Logic (DL) for representing Product Behavioral constraints in Computer Aided Design (CAD) Systems. In an integrated design app...
François de Bertrand de Beuvron, Amadou Cou...