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223
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SIGMOD
2006
ACM
170views Database» more  SIGMOD 2006»
16 years 2 months ago
Energy-efficient monitoring of extreme values in sensor networks
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
Adam Silberstein, Jun Yang 0001, Kamesh Munagala
127
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GEOINFORMATICA
1998
144views more  GEOINFORMATICA 1998»
15 years 2 months ago
Approximation-Based Similarity Search for 3-D Surface Segments
The issue of ®nding similar 3-D surface segments arises in many recent applications of spatial database systems, such as molecular biology, medical imaging, CAD, and geographic i...
Hans-Peter Kriegel, Thomas Seidl
SIGIR
2008
ACM
15 years 2 months ago
Efficient top-k querying over social-tagging networks
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
Ralf Schenkel, Tom Crecelius, Mouna Kacimi, Sebast...
210
Voted
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
16 years 2 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
CIKM
2005
Springer
15 years 8 months ago
Optimizing candidate check costs for bitmap indices
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...
Doron Rotem, Kurt Stockinger, Kesheng Wu