Legal expert system — LES-2

Yoshino, Hideaki; Kagayama, S.; Ohta, Satoshi; Munenori, Kitahara; Kondoh, Hiroshi; Nakakawaji, M.; Ishimaru, K.; Takao, S.

doi:10.1007/3-540-18024-9_20

Cited by 7 publications

(2 citation statements)

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“…Concerning the researches about legal reasoning, the expert system is studied from 1980s (for example in Japan, the works of Yoshino et al, 8 Nitta et al 9 ). A legal expert system has the structured information about the knowledge of a legal expert about the law and is expected to judge or assist the judge based on this knowledge in a computer system.…”

Section: Legal Reasoningmentioning

confidence: 99%

Dynamic Epistemic Reasoning with Awareness and Its Legal Application

Goto

Hatano

Tojo

2019

Vietnam J. Comp. Sci.

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Concerning a software tool of legal reasoning, it is important to describe the prediction about the result of a criminal action, because a crime is often caused by the unpredictability of the result of the defendant. In the court, the judge needs to investigate the predictability and the intention of the agent. Previously, we have formalized the reasoning process of judgment by action model in dynamic epistemic logic (DEL) and have attempted to describe the precedents. However, the prediction in legal cases depends not only on the states of knowledge but also on the limited degree of attention by agents. In this paper, we employ DEL with awareness for multi-agent to represent the predictability and model the typical criminal precedents. We propose a revised semantics of action model with awareness which can define each basic action model to reproduce the agent’s considering process. To describe the legal reasoning we introduce an extension of modeling program DEMO to include the awareness (we call it DEMO[Formula: see text]) and present a GUI in this extended program to calculate the updated epistemic model easily and to classify precedents according to the degree of prediction. In the end, we calculate the epistemic models of typical criminal precedents by this newly developed tool and estimate them.

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Section: Legal Reasoningmentioning

confidence: 99%

Dynamic Epistemic Reasoning with Awareness and Its Legal Application

Goto

Hatano

Tojo

2019

Vietnam J. Comp. Sci.

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“…c Cf [Yoshino 1986a] p.38f., [Yoshino 1988] p.52f and [Yoshino 1989] (Cf [Yoshino 1990] pp.49-55). These concepts were a little too complicated and the viewpoints were not enough definite.…”

Section: Prescribing the Scope Of The Validity Of Rtiesmentioning

confidence: 99%

The systematization of legal meta-inference

Yoshino

1995

Proceedings of the Fifth International Conference on Artificial Intelligence and Law - ICAIL '95

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Legal meta-inference" is legal inference for controlling legal inference.The legal knowledge is constantly increasing with time and a conclusion from the knowledge at a former time might contradict a conclusion from the knowledge at a later time. These seeming incompleteness of legal knowledge is remedied by appealing to legal meta-inferences in legal practice.Therefore, in order to build a legal knowledge-base system, it is necessary to clarify the structure of the legal meta-inference and systematize it, and to construct it on that basis. This study shows, in examples of legal reasoning, what legal meta-inference is, clarifies the knowledge structure of the legal meta-inference in terms of legal meta-rules which regulate the validity of legal rules, and establishes the way to systematize legal reasoning which entails the legal meta-inference, formalizing the meta-inference as logical deductive reasoning. This paper concludes with suggestions for constructing method of a knowledge-base system of law, where knowledge increases constantly with time.

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Developing Rule-Based Expert System for People with Disabilities – The Case of Succession Law

Araszkiewicz

Kłodawski

2018

Lecture Notes in Computer Science

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Legal expert system — LES-2

Cited by 7 publications

References 1 publication

Dynamic Epistemic Reasoning with Awareness and Its Legal Application

Dynamic Epistemic Reasoning with Awareness and Its Legal Application

The systematization of legal meta-inference

Developing Rule-Based Expert System for People with Disabilities – The Case of Succession Law

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