Data/hora: 25/06/2024 01:22:15

Biblioteca(s): | Embrapa Agricultura Digital.
Data corrente: | 07/01/2010
Data da última atualização: | 15/01/2020
Autoria: | LEITE, M. A. de A.; RICARTE, I. L. M.
Afiliação: | MARIA ANGELICA DE ANDRADE LEITE, CNPTIA; IVAN L. M. RICARTE, FEEC/UNICAMP.
Título: | Fuzzy Information Retrieval Model Based on Multiple Related Ontologies.
Ano de publicação: | 2009
Fonte/Imprenta: | In: ENCONTRO DOS ALUNOS E DOCENTES DO DEPARTAMENTO DE ENGENHARIA DE COMPUTAÇÃO E AUTOMAÇÃO INDUSTRIAL, 2., 2009, Campinas. Anais... Campinas: UNICAMP, 2009.
Páginas: | p. 93-96.
Idioma: | Inglês
Notas: | EADCA 2009.
Conteúdo: | With the World Wide Web popularity the information retrieval area has a new challenge intending to retrieve information resources by their meaning by using a knowledge base. Nowadays ontologies are being used to model knowledge bases. To deal with knowledge subjectivity and uncertainty fuzzy set theory techniques are employed. Preceding works encode a knowledge base using just one ontology. But a document collection can deal with different domain themes, expressed by distinct ontologies. In this work a way of knowledge organization and representation as multiple related ontologies was investigated and a method of query expansion was developed. The knowledge organization and the query expansion method were integrated in the fuzzy model for information retrieval based on mutiple related ontologies. The model performance was compared with another fuzzy-based approach for information retrieval and with the Apache Lucene search engine. In both cases the proposed model improves the precision and recall measures.
Palavras-Chave: | Fuzzy; Fuzzy Information Retrieval; Knowledge Representation; Ontologias; Ontology; Query Expansion; Recuperação de informação.
Thesaurus Nal: | Fuzzy logic; Information retrieval.
Categoria do assunto: | X Pesquisa, Tecnologia e Engenharia
Registro original: | Embrapa Agricultura Digital (CNPTIA)

Exemplares:

CNPTIA - (14426-1) - UPC - RA - PP -  -  - 2010.00005 - DES
CNPTIA - (14426-2) - UPC - RA - DD -  -  -  - DIS