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» Consistent Query Answering in Data Warehouses
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STOC
2006
ACM
170views Algorithms» more  STOC 2006»
14 years 10 months ago
Hardness of approximate two-level logic minimization and PAC learning with membership queries
Producing a small DNF expression consistent with given data is a classical problem in computer science that occurs in a number of forms and has numerous applications. We consider ...
Vitaly Feldman
NAR
2007
99views more  NAR 2007»
13 years 9 months ago
PATRIC: The VBI PathoSystems Resource Integration Center
The PathoSystems Resource Integration Center (PATRIC) is one of eight Bioinformatics Resource Centers (BRCs) funded by the National Institute of Allergy and Infection Diseases (NI...
E. E. Snyder, N. Kampanya, J. Lu, Eric K. Nordberg...
WSDM
2012
ACM
207views Data Mining» more  WSDM 2012»
12 years 5 months ago
Sequence clustering and labeling for unsupervised query intent discovery
One popular form of semantic search observed in several modern search engines is to recognize query patterns that trigger instant answers or domain-specific search, producing sem...
Jackie Chi Kit Cheung, Xiao Li
ICDT
2012
ACM
242views Database» more  ICDT 2012»
12 years 1 days ago
Win-move is coordination-free (sometimes)
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
Daniel Zinn, Todd J. Green, Bertram Ludäscher
SIGMOD
2004
ACM
198views Database» more  SIGMOD 2004»
14 years 9 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