Sciweavers

182 search results - page 2 / 37
» Document Indexing With a Concept Hierarchy
Sort
View
RIAO
2004
13 years 7 months ago
Learning "Generalization/Specialization" Relations between Concepts - Application for Automatically Building Thematic Document H
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...
Hermine Njike Fotzo, Patrick Gallinari
DATESO
2004
118views Database» more  DATESO 2004»
13 years 7 months ago
LSI vs. Wordnet Ontology in Dimension Reduction for Information Retrieval
Abstract. In the area of information retrieval, the dimension of document vectors plays an important role. Firstly, with higher dimensions index structures suffer the "curse o...
Pavel Moravec, Michal Kolovrat, Václav Sn&a...
CIKM
2005
Springer
13 years 11 months ago
Generating better concept hierarchies using automatic document classification
This paper presents a hybrid concept hierarchy development technique for web returned documents retrieved by a meta-search engine. The aim of the technique is to separate the init...
Razvan Stefan Bot, Yi-fang Brook Wu, Xin Chen, Qua...
ISI
2004
Springer
13 years 11 months ago
Generating Concept Hierarchies from Text for Intelligence Analysis
It is important to automatically extract key information from sensitive text documents for intelligence analysis. Text documents are usually unstructured and information extraction...
Jenq-Haur Wang, Chien-Chung Huang, Jei-Wen Teng, L...
ACL
1998
13 years 7 months ago
Improving Automatic Indexing through Concept Combination and Term Enrichment
Although indexes may overlap, the output of an automatic indexer is generally presented as a fiat and unstructured list of terms. Our purpose is to exploit term overlap and embedd...
Christian Jacquemin