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147
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VLDB
1987
ACM
108views Database» more  VLDB 1987»
15 years 7 months ago
Translating and Optimizing SQL Queries Having Aggregates
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
Günter von Bültzingsloewen
CORR
2010
Springer
164views Education» more  CORR 2010»
15 years 2 months ago
Is submodularity testable?
: We initiate the study of property testing of submodularity on the boolean hypercube. Submodular functions come up in a variety of applications in combinatorial optimization. For ...
C. Seshadhri, Jan Vondrák
138
Voted
ICCV
2003
IEEE
16 years 5 months ago
Shape Gradients for Histogram Segmentation using Active Contours
We consider the problem of image segmentation using active contours through the minimization of an energy criterion involving both region and boundary functionals. These functiona...
Stéphanie Jehan-Besson, Michel Barlaud, Gil...
ICDT
2005
ACM
95views Database» more  ICDT 2005»
15 years 9 months ago
Semantics of Data Streams and Operators
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...
David Maier, Jin Li, Peter A. Tucker, Kristin Tuft...
129
Voted
VC
2008
126views more  VC 2008»
15 years 3 months ago
Efficient reconstruction from non-uniform point sets
Abstract We propose a method for non-uniform reconstruction of 3D scalar data. Typically, radial basis functions, trigonometric polynomials or shift-invariant functions are used in...
Erald Vuçini, Torsten Möller, M. Eduar...