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» Incremental Evaluation of Datalog Queries
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SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 8 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
TIME
2009
IEEE
14 years 3 months ago
Preserving Anonymity of Recurrent Location-Based Queries
—The anonymization of location based queries through the generalization of spatio-temporal information has been proposed as a privacy preserving technique. We show that the prese...
Daniele Riboni, Linda Pareschi, Claudio Bettini, S...
CLEF
2006
Springer
14 years 11 days ago
SINAI at CLEF 2006 Ad Hoc Robust Multilingual Track: Query Expansion Using the Google Search Engine
This year, we have participated on Ad-Hoc Robust Multilingual track with the aim to evaluate two issues of CLIR systems. Firstly, this paper describes the method followed for quer...
Fernando Martínez Santiago, Arturo Montejo ...
WAIM
2010
Springer
13 years 6 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan
SIGMOD
2010
ACM
227views Database» more  SIGMOD 2010»
14 years 1 months ago
SecureBlox: customizable secure distributed data processing
We present SecureBlox, a declarative system that unifies a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speci...
William R. Marczak, Shan Shan Huang, Martin Braven...