Ontology-Based Information Retrieval Using Fuzzy Concept Documentation

Ontology is a conceptualization of a knowledge domain being shared by a group of users and represented as a machine-readable format. Embedding ontology into information retrieval is a natural way to improve the effectiveness of searching results. In this paper, an ontology-based information retrieval framework is proposed to combine the documents retrieval technique with ontology. The ontology used in the system includes a general semantic ontology, domain knowledge and automatic generated fuzzy concept hierarchy. The experimental results show that combination of applying different ontology has a great influence on the retrieval effectiveness for different query domains.