A Semantic Web-based Approach for Context-Aware User Query formulation and Information Retrieval

A Semantic Web-based Approach for Context-Aware User Query formulation and Information Retrieval

Hahn H. Hoang (Vienna University of Technology, Austria), Tho M. Nguyen (Vienna University of Technology, Austria) and A M. Tjoa (Vienna University of Technology, Austria)
DOI: 10.4018/jitwe.2008010101
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Abstract

Formulating unambiguous queries in the Semantic Web applications is a challenging task for users. This article presents a new approach in guiding users to formulate clear requests based on their common nature of querying for information. The approach known as the front-end approach gives users an overview about the system data through a virtual data component which stores the extracted metadata of the data storage sources in the form of an ontology. This approach reduces the ambiguities in users’ requests at a very early stage and allows the query process to effectively perform in fulfilling users’ demands in a context-aware manner. Furthermore, the approach provides a powerful query engine, called context-aware querying, that recommends the appropriate query patterns according to the user’s querying context.

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