438 search results - page 2 / 88 » From Law-Like Knowledge to Concept Hierarchies in Data |
ITCC
2000
IEEE
13 years 10 months ago
2000
IEEE
As the result of interactions between visitors and a web site, an http log file contains very rich knowledge about users on-site behaviors, which, if fully exploited, can better c...
ESWA
2008
13 years 5 months ago
2008
This paper examines and proposes the automatic generation of concept hierarchies using WordNet. Existing researches have mostly explored the utilization of concept hierarchies, bu...
SIGIR
2009
ACM
14 years 1 days ago
2009
ACM
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
SIGIR
1999
ACM
13 years 9 months ago
1999
ACM
This paper presents a means of automatically deriving a hierarchical organization of concepts from a set of documents without use of training data or standard clustering technique...
ISPA
2007
Springer
13 years 11 months ago
2007
Springer
A concept hierarchy is a kind of general form of knowledge representation. Most of the previous researches on describing the concept hierarchy use tree-like crisp taxonomy. However...