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  1. Article ; Online: Overview and Discussion of the Competition on Legal Information, Extraction/Entailment (COLIEE) 2023.

    Goebel, Randy / Kano, Yoshinobu / Kim, Mi-Young / Rabelo, Juliano / Satoh, Ken / Yoshioka, Masaharu

    The review of socionetwork strategies

    2024  Volume 18, Issue 1, Page(s) 27–47

    Abstract: We summarize the 10th Competition on Legal Information Extraction and Entailment. In this tenth edition, the competition included four tasks on case law and statute law. The case law component includes an information retrieval task (Task 1), and the ... ...

    Abstract We summarize the 10th Competition on Legal Information Extraction and Entailment. In this tenth edition, the competition included four tasks on case law and statute law. The case law component includes an information retrieval task (Task 1), and the confirmation of an entailment relation between an existing case and a selected unseen case (Task 2). The statute law component includes an information retrieval task (Task 3), and an entailment/question-answering task based on retrieved civil code statutes (Task 4). Participation was open to any group based on any approach. Ten different teams participated in the case law competition tasks, most of them in more than one task. We received results from 8 teams for Task 1 (22 runs) and seven teams for Task 2 (18 runs). On the statute law task, there were 9 different teams participating, most in more than one task. 6 teams submitted a total of 16 runs for Task 3, and 9 teams submitted a total of 26 runs for Task 4. We describe the variety of approaches, our official evaluation, and analysis of our data and submission results.
    Language English
    Publishing date 2024-01-12
    Publishing country Japan
    Document type Journal Article
    ISSN 1867-3236
    ISSN (online) 1867-3236
    DOI 10.1007/s12626-023-00152-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Legal Information Retrieval and Entailment Using Transformer-based Approaches.

    Kim, Mi-Young / Rabelo, Juliano / Babiker, Housam Khalifa Bashier / Rahman, Md Abed / Goebel, Randy

    The review of socionetwork strategies

    2024  Volume 18, Issue 1, Page(s) 101–121

    Abstract: The challenge of information overload in the legal domain increases every day. The COLIEE competition has created four challenge tasks that are intended to encourage the development of systems and methods to alleviate some of that pressure: a case law ... ...

    Abstract The challenge of information overload in the legal domain increases every day. The COLIEE competition has created four challenge tasks that are intended to encourage the development of systems and methods to alleviate some of that pressure: a case law retrieval (Task 1) and entailment (Task 2), and a statute law retrieval (Task 3) and entailment (Task 4). Here we describe our methods for Task 1 and Task 4. In Task 1, we used a sentence-transformer model to create a numeric representation for each case paragraph. We then created a histogram of the similarities between a query case and a candidate case. The histogram is used to build a binary classifier that decides whether a candidate case should be noticed or not. In Task 4, our approach relies on fine-tuning a pre-trained DeBERTa large language model (LLM) trained on SNLI and MultiNLI datasets. Our method for Task 4 was ranked third among eight participating teams in the COLIEE 2023 competition. For Task 4, We also compared the performance of the DeBERTa model with those of a knowledge distillation model and ensemble methods including Random Forest and Voting.
    Language English
    Publishing date 2024-01-11
    Publishing country Japan
    Document type Journal Article
    ISSN 1867-3236
    ISSN (online) 1867-3236
    DOI 10.1007/s12626-023-00153-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  3. Article ; Online: Legal Information Retrieval and Entailment Based on BM25, Transformer and Semantic Thesaurus Methods.

    Kim, Mi-Young / Rabelo, Juliano / Okeke, Kingsley / Goebel, Randy

    The review of socionetwork strategies

    2022  Volume 16, Issue 1, Page(s) 157–174

    Abstract: We describe the techniques applied by the University of Alberta (UA) team in the most recent Competition on Legal Information Extraction and Entailment (COLIEE 2021). We participated in retrieval and entailment tasks for both case law and statute law; we ...

    Abstract We describe the techniques applied by the University of Alberta (UA) team in the most recent Competition on Legal Information Extraction and Entailment (COLIEE 2021). We participated in retrieval and entailment tasks for both case law and statute law; we applied a transformer-based approach for the case law entailment task, an information retrieval technique based on BM25 for legal information retrieval, and a natural language inference mechanism using semantic knowledge applied to statute law texts. This competition included 25 teams from 14 countries; our case law entailment approach was ranked no. 4 in Task 2, the BM25 technique for legal information retrieval was ranked no. 3 in Task 3, and the natural language inference technique incorporating semantic information was ranked no. 4 in Task 4. The combination of the latter two techniques on Task 5 was ranked no. 2. We also performed error analysis of our system in Task 4, which provides some insight into current state-of-the-art and research priorities for future directions.
    Language English
    Publishing date 2022-02-07
    Publishing country Japan
    Document type Journal Article
    ISSN 1867-3236
    ISSN (online) 1867-3236
    DOI 10.1007/s12626-022-00103-1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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