137 search results - page 5 / 28 » Query optimization for ontology-based information integratio... |
INFSOF
2000
13 years 6 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
IDEAS
2003
IEEE
14 years 11 days ago
2003
IEEE
In recent years, a lot of research effort has been dedicated to the management of Quality of Service (QoS), mainly in the fields of telecommunication networks and multimedia syste...
AAAI
1998
13 years 8 months ago
1998
We present an approach for optimizing the performance of information agents by materializing useful information . A critical problem with information agents, particularly those ga...
ICEBE
2005
IEEE
14 years 21 days ago
2005
IEEE
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...