446 search results - page 22 / 90 » Formal concept analysis based on hierarchical class analysis |
106
click to vote
DKE
2002
14 years 10 months ago
2002
We introduce the notion of iceberg concept lattices and show their use in knowledge discovery in databases. Iceberg lattices are a conceptual clustering method, which is well suit...
ISESE
2005
IEEE
15 years 4 months ago
2005
IEEE
Many risk specific concepts like “threat”, “consequence” and “risk” belong to the daily language. In a risk analysis one cannot be certain that the participants’ int...
ISNN
2004
Springer
15 years 4 months ago
2004
Springer
This paper proposes a novel clustering analysis algorithm based on principal component analysis (PCA) and self-organizing maps (SOMs) for clustering the gene expression patterns. T...
88
Voted
SEMWEB
2005
Springer
15 years 4 months ago
2005
Springer
We address the problem of linking observations from reality to a semantic web based knowledge base. Concepts in the biological domain are increasingly being formalized through ont...
ICIP
2009
IEEE
15 years 11 months ago
2009
IEEE
Image classification often relies on texture characterization. Yet texture characterization has so far rarely been based on a true 2D multifractal analysis. Recently, a 2D wavelet...