Rule Management System for Ontology-based Recommendation System

Rule management system was developed in order to provide a facility for domain experts to pass on their knowledge in rule-based format, by means of ontology concepts. Experts can utilize this system via web application, developed by deploying JSP and servlet technology. The web application contains the internal functions for dealing with ontology, database and rule file by deploying the JAVA language for which several APIs are available. One of JAVA APIs which the author employed is Jena API. Additionally, experts have ability to manage the rules such as writing new rule item, modifying the existing rules, removing the rules and so on. Author provides the tool that can assist experts to manage rules conveniently. For example, displaying the filtered results in the format of autocomplete, converting the filling data to make human-readable and rules repository can be done within rule file in the format of SPARQL syntax. Rules can be classified into four distinctive formats: messaging, instance insertion, instance creation, information search respectively. Besides, the web application has the capability of displaying the rule effect and information recommendation. KeywordsOntology, SPARQL, recommendation system and rule management system

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