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SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
16 years 3 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...
INFOCOM
2007
IEEE
15 years 9 months ago
pDCS: Security and Privacy Support for Data-Centric Sensor Networks
—The demand for efficient data dissemination/access techniques to find the relevant data from within a sensor network has led to the development of data-centric sensor networks...
Min Shao, Sencun Zhu, Wensheng Zhang, Guohong Cao
ICDT
2007
ACM
107views Database» more  ICDT 2007»
15 years 9 months ago
Privacy in GLAV Information Integration
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
Alan Nash, Alin Deutsch
CIKM
2005
Springer
15 years 8 months ago
Document quality models for web ad hoc retrieval
The quality of document content, which is an issue that is usually ignored for the traditional ad hoc retrieval task, is a critical issue for Web search. Web pages have a huge var...
Yun Zhou, W. Bruce Croft
AP2PC
2004
Springer
15 years 8 months ago
Semantic Overlay Networks for P2P Systems
In a peer-to-peer (P2P) system, nodes typically connect to a small set of random nodes (their neighbors), and queries are propagated along these connections. Such query flooding t...
Arturo Crespo, Hector Garcia-Molina