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Towards translation of legal sentences into logical forms

In Takashi Washio, Ken Satoh, Hideaki Takeda & Akihiro Inokuchi (eds.), New Frontiers in Artificial Intelligence. Springer. pp. 349--362 (2008)

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  1. Recurrent neural network-based models for recognizing requisite and effectuation parts in legal texts.Truong-Son Nguyen, Le-Minh Nguyen, Satoshi Tojo, Ken Satoh & Akira Shimazu - 2018 - Artificial Intelligence and Law 26 (2):169-199.
    This paper proposes several recurrent neural network-based models for recognizing requisite and effectuation parts in Legal Texts. Firstly, we propose a modification of BiLSTM-CRF model that allows the use of external features to improve the performance of deep learning models in case large annotated corpora are not available. However, this model can only recognize RE parts which are not overlapped. Secondly, we propose two approaches for recognizing overlapping RE parts including the cascading approach which uses the sequence of BiLSTM-CRF models (...)
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  • Abstract meaning representation for legal documents: an empirical research on a human-annotated dataset.Sinh Trong Vu, Minh Le Nguyen & Ken Satoh - 2022 - Artificial Intelligence and Law 30 (2):221-243.
    Natural language processing techniques contribute more and more in analyzing legal documents recently, which supports the implementation of laws and rules using computers. Previous approaches in representing a legal sentence often based on logical patterns that illustrate the relations between concepts in the sentence, often consist of multiple words. Those representations cause the lack of semantic information at the word level. In our work, we aim to tackle such shortcomings by representing legal texts in the form of abstract meaning representation, (...)
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