166 search results - page 9 / 34 » Extending the Search Strategy in a Query Optimizer |
ECIR
2007
Springer
13 years 8 months ago
2007
Springer
This paper introduces the concept of a Parameterised Search System (PSS), which allows flexibility in user queries, and, more importantly, allows system engineers to easily defin...
FGCS
2000
13 years 7 months ago
2000
This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...
CIKM
1999
Springer
13 years 11 months ago
1999
Springer
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
FOCS
2000
IEEE
13 years 11 months ago
2000
IEEE
We consider the planar point location problem from the perspective of expected search time. We are given a planar polygonal subdivision S and for each polygon of the subdivision t...
WINE
2007
Springer
14 years 1 months 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...