285 search results - page 57 / 57 » A New Heuristic for Optimizing Large Queries |
DLOG
2010
13 years 3 months ago
2010
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
BMCBI
2004
13 years 5 months ago
2004
Background: Large-scale sequence comparison is a powerful tool for biological inference in modern molecular biology. Comparing new sequences to those in annotated databases is a u...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
SAC
2000
ACM
13 years 9 months ago
2000
ACM
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...