73 search results - page 13 / 15 » Deriving Concept Hierarchies from Text |
DAWAK
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. This paper describes the use of a concept hierarchy for improving the results of association rule mining. Given a large set of tuples with demographic information and per...
ESWS
2005
Springer
13 years 11 months ago
2005
Springer
While classic information retrieval methods return whole documents as a result of a query, many information demands would be better satisfied by fine-grain access inside the docu...
AMKM
2003
Springer
13 years 11 months ago
2003
Springer
Every time a user engaged in work reads or writes, the user spontaneously generates new information needs: to understand the text he or she is reading or to supply more substance ...
ICML
2003
IEEE
14 years 6 months ago
2003
IEEE
We consider the problem of unsupervised learning from a matrix of data vectors where in each row the observed values are randomly permuted in an unknown fashion. Such problems ari...
EMNLP
2009
13 years 3 months ago
2009
Most existing information retrieval (IR) systems do not take much advantage of natural language processing (NLP) techniques due to the complexity and limited observed effectivenes...