2492 search results - page 250 / 499 » Ontology-based Database Access |
188
click to vote
CIKM
2009
Springer
16 years 1 months ago
2009
Springer
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
220
click to vote
GPC
2007
Springer
16 years 22 days ago
2007
Springer
Sharing huge databases in distributed systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer sufficient. A more ef...
187
click to vote
MIR
2006
ACM
16 years 16 days ago
2006
ACM
An important research issue in multimedia databases is the retrieval of similar objects. For most applications in multimedia databases, an exact search is not meaningful. Thus, mu...
177
click to vote
EDBT
2004
ACM
15 years 12 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
170
click to vote
SIGMOD
1999
ACM
15 years 11 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...