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TCS
2010
13 years 8 months ago
Towards practical feasibility of core computation in data exchange
Abstract. Core computation in data exchange is concerned with materializing the minimal target database for a given source database. Gottlob and Nash have recently shown that the c...
Reinhard Pichler, Vadim Savenkov
ACL
2010
13 years 8 months ago
Understanding the Semantic Structure of Noun Phrase Queries
Determining the semantic intent of web queries not only involves identifying their semantic class, which is a primary focus of previous works, but also understanding their semanti...
Xiao Li
DLOG
2010
13 years 8 months ago
Query Algebra and Query Optimization for Concept Assertion Retrieval
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...
Jeffrey Pound, David Toman, Grant E. Weddell, Jiew...
CVPR
2000
IEEE
15 years 4 days ago
Variable Albedo Surface Reconstruction from Stereo and Shape from Shading
We presen t a multiview method for the computation of object shape and re ectance characteristics based on the integration of shape from shading (SFS) and stereo, for nonconstan t...
Dimitris Samaras, Dimitris N. Metaxas, Pascal Fua,...
STOC
2009
ACM
99views Algorithms» more  STOC 2009»
14 years 10 months ago
Testing juntas nearly optimally
A function on n variables is called a k-junta if it depends on at most k of its variables. In this article, we show that it is possible to test whether a function is a k-junta or ...
Eric Blais