Sciweavers

787 search results - page 21 / 158
» Using Rough Sets as Tools for Knowledge Discovery
Sort
View
DAGSTUHL
2004
14 years 11 months ago
Knowledge-Based Sampling for Subgroup Discovery
Subgroup discovery aims at finding interesting subsets of a classified example set that deviates from the overall distribution. The search is guided by a so-called utility function...
Martin Scholz
RSFDGRC
2005
Springer
111views Data Mining» more  RSFDGRC 2005»
15 years 3 months ago
Knowledge Discovery Based Query Answering in Hierarchical Information Systems
The paper concerns failing queries in incomplete Distributed Autonomous Information Systems (DAIS) based on attributes which are hierarchical and which semantics at different site...
Zbigniew W. Ras, Agnieszka Dardzinska, Osman G&uum...
RSCTC
2000
Springer
144views Fuzzy Logic» more  RSCTC 2000»
15 years 1 months ago
Valued Tolerance and Decision Rules
In this paper we introduce the concept of valued tolerance as an extension of the usual concept of indiscernibility (which is a crisp equivalence relation) in rough sets theory. So...
Jerzy Stefanowski, Alexis Tsoukiàs
IJAR
2006
241views more  IJAR 2006»
14 years 10 months ago
Spatial reasoning under imprecision using fuzzy set theory, formal logics and mathematical morphology
In spatial reasoning, in particular for applications in image understanding, structure recognition and computer vision, a lot of attention has to be paid to spatial relationships ...
Isabelle Bloch
CSCW
2011
ACM
14 years 5 months ago
Peer interaction effectively, yet infrequently, enables programmers to discover new tools
Computer users rely on software tools to work effectively and efficiently, but it is difficult for users to be aware of all the tools that might be useful to them. While there a...
Emerson R. Murphy-Hill, Gail C. Murphy