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» On Bounded Queries and Approximation
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SIGMOD
2004
ACM
198views Database» more  SIGMOD 2004»
16 years 6 months ago
Secure XML Querying with Security Views
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
Wenfei Fan, Chee Yong Chan, Minos N. Garofalakis
WWW
2010
ACM
16 years 1 days ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
DMSN
2007
ACM
15 years 10 months ago
Similarity-aware query allocation in sensor networks with multiple base stations
In this paper, we consider a large scale sensor network comprising multiple, say K, base stations and a large number of wireless sensors. Such an infrastructure is expected to be ...
Shili Xiang, Hock-Beng Lim, Kian-Lee Tan, Yongluan...
SDM
2009
SIAM
193views Data Mining» more  SDM 2009»
16 years 3 months ago
Agglomerative Mean-Shift Clustering via Query Set Compression.
Mean-Shift (MS) is a powerful non-parametric clustering method. Although good accuracy can be achieved, its computational cost is particularly expensive even on moderate data sets...
Xiaotong Yuan, Bao-Gang Hu, Ran He
182
Voted
SSDBM
2003
IEEE
137views Database» more  SSDBM 2003»
16 years 12 hour ago
Supporting Sliding Window Queries for Continuous Data Streams
Although traditional databases and data warehouses have been exploited widely to manage persistent data, a large number of applications from sensor network need functional support...
Lin Qiao, Divyakant Agrawal, Amr El Abbadi