2853 search results - page 203 / 571 » On the Efficiency of Provenance Queries |
151
click to vote
ESA
2010
Springer
15 years 7 months ago
2010
Springer
The inability to answer proximity queries efficiently for spaces of dimension d > 2 has led to the study of approximation to proximity problems. Several techniques have been pro...
215
click to vote
CL
1999
Springer
15 years 6 months ago
1999
Springer
Van Emden's incremental queries address the inadequacy of current Prolog-style querying mechanism in most logic programming systems for interactive problem-solving. In the co...
184
click to vote
PVLDB
2008
15 years 6 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
164
click to vote
PVLDB
2008
15 years 6 months ago
2008
We describe XTreeNet, a distributed query dissemination engine which facilitates democratization of publishing and efficient data search among members of online communities with p...
179
click to vote
ALGORITHMICA
2004
15 years 6 months ago
2004
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...