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» Some Properties and Some Problems on Set Functors
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TSP
2010
15 years 1 months ago
Recursive least squares dictionary learning algorithm
We present the Recursive Least Squares Dictionary Learning Algorithm, RLSDLA, which can be used for learning overcomplete dictionaries for sparse signal representation. Most Dicti...
Karl Skretting, Kjersti Engan
FORTEST
2008
15 years 8 months ago
Testing Data Types Implementations from Algebraic Specifications
Algebraic specifications of data types provide a natural basis for testing data types implementations. In this framework, the conformance relation is based on the satisfaction of a...
Marie-Claude Gaudel, Pascale Le Gall
ICDM
2006
IEEE
89views Data Mining» more  ICDM 2006»
16 years 19 days ago
On the Lower Bound of Local Optimums in K-Means Algorithm
The k-means algorithm is a popular clustering method used in many different fields of computer science, such as data mining, machine learning and information retrieval. However, ...
Zhenjie Zhang, Bing Tian Dai, Anthony K. H. Tung
PKDD
2000
Springer
107views Data Mining» more  PKDD 2000»
15 years 10 months ago
Expert Constrained Clustering: A Symbolic Approach
Abstract. A new constrained model is discussed as a way of incorporating efficiently a priori expert knowledge into a clustering problem of a given individual set. The first innova...
Fabrice Rossi, Frédérick Vautrain
COMMA
2008
15 years 8 months ago
Focused search for Arguments from Propositional Knowledge
Abstract Classical propositional logic is an appealing option for modelling argumentation but the computational viability of generating an argument is an issue. Here we propose ame...
Vasiliki Efstathiou, Anthony Hunter