Toward Constructing Evidence-Based Legal Arguments

 In Argument Structures, Automating Argument Mining, Collaborations, Data Projects, General Methodology, Legal Reasoning, Medical Malpractice Reasoning, Presentations, Products, Projects, Publications, Semantic Data, Software Applications, V/IP Corpus, Vaccine Compensation Reasoning, Vaccine/Injury Project, Veterans Claims Reasoning

Toward Constructing Evidence-Based Legal Arguments Using Legal Decision Documents and Machine Learning, Kevin D. Ashley and Vern R. Walker. In the Proceedings of the 14th International Conference on Artificial Intelligence and Law (ICAIL 2013), June 10-14, 2013, pp. 176-80 (ACM: New York, 2013). Copy of full text available for download in .pdf format.


This paper explores how to extract argumentation-relevant information automatically from a corpus of legal decision documents, and how to build new arguments using that information. For decision texts, we use the Vaccine/Injury Project (V/IP) Corpus, which contains default-logic annotations of argument structure. We supplement this with presuppositional annotations about entities, events, and relations that play important roles in argumentation, and about the level of confidence that arguments would be successful. We then propose how to integrate these semantic-pragmatic annotations with syntactic and domain-general semantic annotations, such as those generated in the DeepQA architecture, and outline how to apply machine learning and scoring techniques similar to those used in the IBM Watson system for playing the Jeopardy! question-answer game. We replace this game-playing goal, however, with the goal of learning to construct legal arguments.

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