2859 search results - page 344 / 572 » Querying Complex Structured Databases |
160
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
270
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VLDB
2004
ACM
16 years 6 months ago
2004
ACM
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
201
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ICDCS
2009
IEEE
16 years 3 months ago
2009
IEEE
Users and administrators of large distributed systems are frequently in need of monitoring and management of its various components, data items and resources. Though there exist s...
197
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COMPGEOM
2005
ACM
15 years 8 months ago
2005
ACM
We present a new multi-dimensional data structure, which we call the skip quadtree (for point data in R2) or the skip octree (for point data in Rd, with constant d > 2). Our da...
193
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...