我々の社会は非常に多数の相互に関連した法令により規定されている．社会というシステムを考えたとき，法令がこのシステムの仕様書の役割を果たしていることを意味するが，法令の持つシステム的側面は従来十分な研究対象になっていない．今後本格化する電子社会においては，法令は一層重要な役割を持ち，安心な社会の実現には，法令の持つシステム的側面を捉える方法論が期待される．「法令工学」は，法令に情報科学的手法，ソフトウェア工学的手法を適用し，法令の制定や施行のための計算機支援を行おうとするものである．本稿は，法令工学を紹介し，法令工学で重要な役割を担う法令文書の言語解析について，課題とこれまでの研究の概要を述べる．%Our society is regulated by a lot of laws and rules which are related mutually. When we view a society as a system, laws and rules can be viewed as the specifications for the society. Such a systemic aspect of laws and rules have not been studied well so far. In the upcoming e-Society, laws and rules have more important roles in order to achieve a trustworthy society and we expect a methodology which treats a systemic aspect of laws and rules. Legal Engineering is a new field which studies the methodology and applies information science and software engineering to laws and rules in order to support legislation and implement laws and rules using computers. This paper introduces Legal Engineering, language analysis of law documents, which has an important role in Legal Engineering, and studies so far.
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