A Pragmatic Legal Expert System

A Pragmatic Legal Expert System

What Makes a System a Legal Expert?

Since the 1980s, AI and Law has attempted to capture legal expertise in computer programs. But what is this expertise? This paper reviews a number of approaches, from the 1980s to the present day, which represent different answers to this question. It argues that our notion, and understanding, of expertise has developed and improved over the decades. As yet, however, only a few rather specific ...

Use of Legal Expert System LES-5 in Legal Education

It is an important task for a law professor to educate law students in the skill of legal reasoning. A legal expert system is a computer system,, which entails legal knowledge of lawyers as legal experts in its knowledge base. The legal knowledge involves not only written, explicit knowledge like conventions, statutes, cases, commentaries etc., but also implicit legal knowledge which a lawyer u...

TPA-EXPERT: A Hybrid Legal Knowledge Based System for Indian Legal domain

Most legal expert systems attempt to implement complex models of legal reasoning. But the utility of a legal expert system lies not in the extent to which it simulates a lawyer’s approach to a legal problem, but in the quality of its predictions and of its arguments. A useful legal expert system should be capable of producing advice similar to that which one might get from a lawyer, so it shoul...

Argument from Expert Opinion as Legal Evidence: Critical Questions and Admissibility Criteria of Expert Testimony in the American Legal System*

While courts depend on expert opinions in reaching sound judgments, the role of the expert witness in legal proceedings is associated with a litany of problems. Perhaps most prevalent is the question of under what circumstances should testimony be admitted as expert opinion. We review the changing policies adopted by American courts in an attempt to ensure the reliability and usefulness of the ...