2313 search results - page 139 / 463 » On Heuristic Time Hierarchies |
160
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GIS
2002
ACM
15 years 6 months ago
2002
ACM
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...
166
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SPATIALCOGNITION
2004
Springer
15 years 11 months ago
2004
Springer
This paper presents a very efficient SLAM algorithm that works by hierarchically dividing the map into local regions and subregions. At each level of the hierarchy each region stor...
145
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GECCO
2005
Springer
16 years 1 hour ago
2005
Springer
The subsystem decomposition of a software system degrades gradually during its lifetime and therefore it gets harder and harder to maintain. As a result this decomposition needs t...
176
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RTCSA
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper addresses the problem of scheduling real-time jobs that have multiple feasible intervals. The problem is NP-hard. We present an optimal branch-and-bound algorithm. When...
132
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CIKM
2003
Springer
15 years 11 months ago
2003
Springer
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...