182 search results - page 1 / 37 » Document Indexing With a Concept Hierarchy |
NDDL
2001
13 years 6 months ago
2001
Given a large hierarchical concept dictionary (thesaurus, or ontology), the task of selection of the concepts that describe the contents of a given document is considered. A stati...
CIKM
1998
Springer
13 years 9 months ago
1998
Springer
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
CIKM
2008
Springer
13 years 7 months ago
2008
Springer
Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can p...
IPM
2007
13 years 5 months ago
2007
We argue that the quality of a summary can be evaluated based on how many concepts in the original document(s) that reserved after summarization. Here, a concept refers to an abst...
SIGIR
2009
ACM
13 years 11 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...