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» Ontology ranking based on the analysis of concept structures
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RIAO
2007
13 years 9 months ago
An Information Retrieval Driven by Ontology: from Query to Document Expansion
The paper proposes an approach to information retrieval based on the use of a structure (ontology) both for document (resp. query) indexing and query evaluating. The conceptual st...
Mustapha Baziz, Mohand Boughanem, Gabriella Pasi, ...
STAIRS
2008
112views Education» more  STAIRS 2008»
13 years 9 months ago
Unsupervised Web-based Automatic Annotation
The success of the Semantic Web depends both on the definition of ontologies used to represent the knowledge as on the annotations performed of the web contents. As manual approach...
Miquel Millan, David Sánchez, Antonio Moren...
NAACL
2003
13 years 9 months ago
Automatic Extraction of Semantic Networks from Text using Leximancer
Leximancer is a software system for performing conceptual analysis of text data in a largely language independent manner. The system is modelled on Content Analysis and provides u...
Andrew E. Smith
CLA
2007
13 years 9 months ago
Representing Numeric Values in Concept Lattices
Formal Concept Analysis is based on the occurrence of symbolic attributes in individual objects, or observations. But, when the attribute is numeric, treatment has been awkward. In...
John L. Pfaltz
SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
14 years 8 months ago
Generic and effective semi-structured keyword search
Current semi-structured keyword search and natural language query processing systems use ad hoc approaches to take advantage of structural information. Although intuitive, they ar...
Arash Termehchy, Marianne Winslett