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» Approximation of Indistinct Concepts
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RSCTC
2004
Springer
134views Fuzzy Logic» more  RSCTC 2004»
14 years 26 days ago
Rough Set Methods in Approximation of Hierarchical Concepts
Abstract. Many learning methods ignore domain knowledge in synthesis of concept approximation. We propose to use hierarchical schemes for learning approximations of complex concept...
Jan G. Bazan, Sinh Hoa Nguyen, Hung Son Nguyen, An...
ICCS
2004
Springer
14 years 27 days ago
A Cartesian Closed Category of Approximable Concept Structures
Abstract. Infinite contexts and their corresponding lattices are of theoretical and practical interest since they may offer connections with and insights from other mathematical ...
Pascal Hitzler, Guo-Qiang Zhang
WEBDB
2004
Springer
202views Database» more  WEBDB 2004»
14 years 25 days ago
Mining Approximate Functional Dependencies and Concept Similarities to Answer Imprecise Queries
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
Ullas Nambiar, Subbarao Kambhampati
DFG
2007
Springer
14 years 1 months ago
Natural Neighbor Concepts in Scattered Data Interpolation and Discrete Function Approximation
: The concept of natural neighbors employs the notion of distance to define local neighborhoods in discrete data. Especially when querying and accessing large scale data, it is im...
Tom Bobach, Georg Umlauf
JACIII
2006
105views more  JACIII 2006»
13 years 7 months ago
Rough Set Approximation as Formal Concept
Nozomi Ytow, David R. Morse, David L. McRoberts