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» Data Expiration and Aggregate Queries
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ISAAC
2007
Springer
156views Algorithms» more  ISAAC 2007»
15 years 6 months ago
Approximate Range Searching in External Memory
In this paper, we present two linear-size external memory data structures for approximate range searching. Our first structure, the BAR-B-tree, stores a set of N points in Rd and ...
Micha Streppel, Ke Yi
MM
2004
ACM
142views Multimedia» more  MM 2004»
15 years 5 months ago
Learning query-class dependent weights in automatic video retrieval
Combining retrieval results from multiple modalities plays a crucial role for video retrieval systems, especially for automatic video retrieval systems without any user feedback a...
Rong Yan, Jun Yang 0003, Alexander G. Hauptmann
SIGMOD
2008
ACM
109views Database» more  SIGMOD 2008»
15 years 12 months ago
Extreme visualization: squeezing a billion records into a million pixels
Database searches are usually performed with query languages and form fill in templates, with results displayed in tabular lists. However, excitement is building around dynamic qu...
Ben Shneiderman
WAIM
2007
Springer
15 years 6 months ago
Distributed, Hierarchical Clustering and Summarization in Sensor Networks
We propose DHCS, a method of distributed, hierarchical clustering and summarization for online data analysis and mining in sensor networks. Different from the acquisition and aggre...
Xiuli Ma, Shuangfeng Li, Qiong Luo, Dongqing Yang,...
SIGMOD
2011
ACM
283views Database» more  SIGMOD 2011»
14 years 2 months ago
iReduct: differential privacy with reduced relative errors
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
Xiaokui Xiao, Gabriel Bender, Michael Hay, Johanne...