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» Approximation of Information Granule Sets
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123
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IDA
2009
Springer
15 years 7 months ago
Bayesian Non-negative Matrix Factorization
Abstract. We present a Bayesian treatment of non-negative matrix factorization (NMF), based on a normal likelihood and exponential priors, and derive an efficient Gibbs sampler to ...
Mikkel N. Schmidt, Ole Winther, Lars Kai Hansen
ICTAI
2008
IEEE
15 years 7 months ago
Computational Complexity of Web Service Composition Based on Behavioral Descriptions
The Web Service Composition (WSC) problem on behavioral descriptions deals with the automatic construction of a coordinator web service to control a set of web services to reach t...
Hyunyoung Kil, Wonhong Nam, Dongwon Lee
DBPL
2007
Springer
100views Database» more  DBPL 2007»
15 years 6 months ago
Provenance as Dependency Analysis
Abstract. Provenance is information recording the source, derivation, or history of some information. Provenance tracking has been studied in a variety of settings; however, althou...
James Cheney, Amal Ahmed, Umut A. Acar
118
Voted
NLDB
2007
Springer
15 years 6 months ago
Selecting Labels for News Document Clusters
This work deals with determination of meaningful and terse cluster labels for News document clusters. We analyze a number of alternatives for selecting headlines and/or sentences o...
Krishnaprasad Thirunarayan, Trivikram Immaneni, Ma...
IRI
2006
IEEE
15 years 6 months ago
Replacing full rectangles by dense rectangles: Concept lattices and attribute implications
— Maximal full rectangles in tabular data are useful in several areas of data engineering. This paper presents a survey of results in which we replace “full rectangles” by ...
Radim Belohlávek, Vilém Vychodil