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PVLDB
2008
118views more  PVLDB 2008»
13 years 9 months ago
Efficient top-k processing over query-dependent functions
We study the efficient evaluation of top-k queries over data items, where the score of each item is dynamically computed by applying an item-specific function whose parameter valu...
Lin Guo, Sihem Amer-Yahia, Raghu Ramakrishnan, Jay...
ICDE
2008
IEEE
204views Database» more  ICDE 2008»
14 years 11 months ago
Keyword Search on Spatial Databases
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...
Ian De Felipe, Vagelis Hristidis, Naphtali Rishe
INFOCOM
2007
IEEE
14 years 4 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»
14 years 4 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
14 years 3 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