6974 search results - page 1117 / 1395 » Querying Semi-Structured Data |
158
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KDD
2004
ACM
16 years 4 months ago
2004
ACM
Abstract. Most existing search engines employ static ranking algorithms that do not adapt to the specific needs of users. Recently, some researchers have studied the use of clickth...
242
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VLDB
2008
ACM
16 years 4 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
215
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
For Web applications in which the database component is the bottleneck, scalability can be provided by a third-party Database Scalability Service Provider (DSSP) that caches appli...
133
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GEOS
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. A Wide-Area Sensor Network (WASN) is a collection of heterogeneous sensor networks and data repositories spread over a wide geographic area. The diversity of sensor types...
164
Voted
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...