75 search results - page 4 / 15 » Automated ontology construction for unstructured text docume... |
AIIA
2007
Springer
15 years 3 months ago
2007
Springer
We present two algorithms for supporting semi-automatic ontology building, integrated in WPro, a new architecture for ontology learning from Web documents. The first algorithm auto...
NLDB
2004
Springer
15 years 2 months ago
2004
Springer
Abstract: Document analysis and text mining techniques are used to preprocess documents in information retrieval systems, to extract concepts in ontology construction processes, an...
APWEB
2009
Springer
15 years 1 months ago
2009
Springer
We present a new method to evaluate a search ontology, which relies on mapping ontology instances to textual documents. On the basis of this mapping, we evaluate the adequacy of on...
EWMF
2005
Springer
15 years 3 months ago
2005
Springer
In this paper, we review two techniques for topic discovery in collections of text documents (Latent Semantic Indexing and K-Means clustering) and present how we integrated them in...
COLING
2000
14 years 11 months ago
2000
This paper describes experiments in the automatic construction of lexicons that would be useful in searching large document collections for text fragments that address a specific ...