Ontology Modelling on Legal Document: Case Study : Legal Document of Indonesian Republic

Regulation representation and reasoning process of the regulation representation is an important thing for finding inconsistency in Indonesian Republic Regulation Document. Indonesia is a legal nation. The mean of Legal Nation is that nation using law to regulate the life of society, state, and the government. Indonesia has been using law to maintain it's stability since it's founded. An inconsistence in law has been found in Indonesian regulation document. In this paper,we proposed a method to represent a Indonesian Republic regulation in an ontology form for reasoning process. Ontology language that used in this paper is OWL. The purpose of this representation is to be able to do a reasoning process to find inconsistent regulations and do the process of finding concepts in regulations. After transforming Indonesian Republic regulation document into OWL ontology form and reasoning process of Indonesian Regulation ontology inconsistency has been found.