4790 search results - page 354 / 958 » Reverse Query Processing |
213
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GIS
2006
ACM
16 years 4 months ago
2006
ACM
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...
164
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CHI
2009
ACM
16 years 4 months ago
2009
ACM
Knowing the intent of a search query allows for more intelligent ways of retrieving relevant search results. Most of the recent work on automatic detection of query intent uses su...
227
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
221
Voted
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
120
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...