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KDD
2009
ACM
269views Data Mining» more  KDD 2009»
14 years 5 months ago
Extracting discriminative concepts for domain adaptation in text mining
One common predictive modeling challenge occurs in text mining problems is that the training data and the operational (testing) data are drawn from different underlying distributi...
Bo Chen, Wai Lam, Ivor Tsang, Tak-Lam Wong
SAC
2010
ACM
13 years 11 months ago
Background knowledge in formal concept analysis: constraints via closure operators
The aim of this short paper is to present a general method of using background knowledge to impose constraints in conceptual clustering of object-attribute relational data. The pr...
Radim Belohlávek, Vilém Vychodil
HICSS
2008
IEEE
135views Biometrics» more  HICSS 2008»
13 years 11 months ago
Formal Foundation of Workflow Hyperpaths and a Graph Search Algorithm for Workflow Hyperpath Generation
While executing a process, many decisions are taken at its various decision points for selecting paths. There is a need for understanding and analyzing on various paths that emana...
Sinnakkrishnan Perumal, Ambuj Mahanti
AUSDM
2007
Springer
112views Data Mining» more  AUSDM 2007»
13 years 10 months ago
Measuring Data-Driven Ontology Changes using Text Mining
Most current ontology management systems concentrate on detecting usage-driven changes and representing changes formally in order to maintain the consistency. In this paper, we pr...
Majigsuren Enkhsaikhan, Wilson Wong, Wei Liu, Mark...
SEMWEB
2007
Springer
13 years 10 months ago
OntoDNA: Ontology Alignment Results for OAEI 2007
OntoDNA is an automated ontology mapping and merging system that utilizes unsupervised data mining methods, comprising of Formal Concept analysis (FCA), Self-Organizing map (SOM) a...
Ching-Chieh Kiu, Chien-Sing Lee