73 search results - page 1 / 15 » Deriving Concept Hierarchies from Text |
SIGIR
1999
ACM
13 years 8 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...
ISI
2004
Springer
13 years 9 months ago
2004
Springer
It is important to automatically extract key information from sensitive text documents for intelligence analysis. Text documents are usually unstructured and information extraction...
SDM
2008
SIAM
13 years 5 months ago
2008
SIAM
Although clustering under constraints is a current research topic, a hierarchical setting, in which a hierarchy of clusters is the goal, is usually not considered. This paper trie...
SIGIR
2009
ACM
13 years 10 months 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...
RIAO
2004
13 years 5 months ago
2004
We introduce a new method for automatically constructing concept hierarchies where the concept nodes follow a generalization / specialization relation. Starting from a set of conc...