418 search results - page 46 / 84 » Query Optimization by Simulated Annealing |
CIA
1998
Springer
14 years 6 days ago
1998
Springer
In a simple cooperative MAS model where a collection of "querying agents" can send queries to a collection of "information agents", we formalize the problem of ...
PPSN
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Previous research into the efficiency of text retrieval systems has dealt primarily with methods that consider inverted lists in sequence; these methods are known as term-at-a-tim...
ICDCS
2002
IEEE
14 years 28 days ago
2002
IEEE
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...