1170 search results - page 2 / 234 » Retrieval effectiveness of an ontology-based model for infor... |
CIKM
2009
Springer
14 years 9 days ago
2009
Springer
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
DEXAW
2007
IEEE
14 years 2 days ago
2007
IEEE
As part of the general growth and diversification of media in different modalities, the presence of information in the form of human speech in the world-wide body of digital conte...
DEXA
2007
Springer
13 years 12 months ago
2007
Springer
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
EKAW
2004
Springer
13 years 11 months ago
2004
Springer
Functionality is one of the key concepts in understanding an artifact and in engineering domain knowledge. Although the importance of sharing of engineering knowledge in industry h...
KDD
2000
ACM
13 years 9 months ago
2000
ACM
To improve the accuracy in terms of precision and recall of an audio information retrieval system we have created a domainspecific ontology (a collection of key concepts and their...