26 search results - page 2 / 6 » Optimization of Bounded Continuous Search Queries Based on R... |
EOR
2008
13 years 5 months ago
2008
We suggest a new heuristic for solving unconstrained continuous optimization problems. It is based on a generalized version of the variable neighborhood search metaheuristic. Diff...
TKDE
2012
11 years 7 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
SEMWEB
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
PPAM
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorit...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...