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» A data abstraction approach for query relaxation
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VLDB
2009
ACM
130views Database» more  VLDB 2009»
14 years 7 months ago
Multi-dimensional top-k dominating queries
Abstract The top-k dominating query returns k data objects which dominate the highest number of objects in a dataset. This query is an important tool for decision support since it ...
Man Lung Yiu, Nikos Mamoulis
PVLDB
2008
101views more  PVLDB 2008»
13 years 7 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao
ICDE
2009
IEEE
135views Database» more  ICDE 2009»
14 years 9 months ago
Space-Constrained Gram-Based Indexing for Efficient Approximate String Search
Abstract-- Answering approximate queries on string collections is important in applications such as data cleaning, query relaxation, and spell checking, where inconsistencies and e...
Alexander Behm, Shengyue Ji, Chen Li, Jiaheng Lu
FQAS
2006
Springer
136views Database» more  FQAS 2006»
13 years 11 months ago
Robust Query Processing for Personalized Information Access on the Semantic Web
Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...
Peter Dolog, Heiner Stuckenschmidt, Holger Wache
IRREGULAR
1997
Springer
13 years 11 months ago
Programming with Shared Data Abstractions
ing with shared data abstractions Simon Dobson1 and Don Goodeve2 1 Well-Founded Systems Unit, CLRC Rutherford Appleton Laboratory, UK 2 School of Computer Studies, University of Le...
Simon A. Dobson, Don Goodeve