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SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
13 years 9 months ago
Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the client conceptual object model and the pers...
James F. Terwilliger, Philip A. Bernstein, Adi Unn...
ICASSP
2010
IEEE
13 years 9 months ago
Robust regression using sparse learning for high dimensional parameter estimation problems
Algorithms such as Least Median of Squares (LMedS) and Random Sample Consensus (RANSAC) have been very successful for low-dimensional robust regression problems. However, the comb...
Kaushik Mitra, Ashok Veeraraghavan, Rama Chellappa
CORR
2008
Springer
136views Education» more  CORR 2008»
13 years 9 months ago
Matrix Graph Grammars
Graph transformation is concerned with the manipulation of graphs by means of rules. Graph grammars have been traditionally studied using techniques from category theory. In previ...
Pedro Pablo Pérez Velasco
CORR
2006
Springer
146views Education» more  CORR 2006»
13 years 9 months ago
The Haar Wavelet Transform of a Dendrogram
While there is a very long tradition of approximating a data array by projecting row or column vectors into a lower dimensional subspace the direct approximation of a data matrix ...
Fionn Murtagh
JFP
2006
119views more  JFP 2006»
13 years 9 months ago
Gencel: a program generator for correct spreadsheets
A huge discrepancy between theory and practice exists in one popular application area of functional programming--spreadsheets. Although spreadsheets are the most frequently used (...
Martin Erwig, Robin Abraham, Steve Kollmansberger,...