5166 search results - page 461 / 1034 » Web Query Optimizer |
189
Voted
COOPIS
2003
IEEE
16 years 5 days ago
2003
IEEE
Ontologies as means for formally specifying the vocabulary and relationship of concepts are seen playing a key role on the Semantic Web. However, the Web’s distributed nature mak...
206
Voted
WINE
2007
Springer
16 years 29 days ago
2007
Springer
Internet search companies sell advertisement slots based on users’ search queries via an auction. Advertisers have to solve a complex optimization problem of how to place bids o...
269
Voted
VLDB
2007
ACM
16 years 7 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
246
Voted
SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
171
Voted
VLDB
2005
ACM
16 years 10 days ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...