1160 search results - page 199 / 232 » Query Processing and Optimization for Pictorial Query Trees |
122
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SSD
2005
Springer
15 years 6 months ago
2005
Springer
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
115
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DASFAA
2008
IEEE
15 years 1 months ago
2008
IEEE
Abstract. Online games and location-based services now form the potential application domains for the P2P paradigm. In P2P systems, balancing the workload is essential for overall ...
129
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ICDE
2010
IEEE
16 years 1 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
PODS
2010
ACM
15 years 6 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
231
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GIS
2005
ACM
16 years 2 months ago
2005
ACM
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...