Overview of Japanese Statute Law Retrieval and Entailment Task at COLIEE-2018

We present an overview of two tasks (Tasks 3 and 4) of COLIEE-2018 using the Japanese statute law (civil law) and its English translation. Task 3 is the task of retrieving articles to decide the appropriateness of the legal question and Task 4 is the task of entailing whether the legal question is correct or not. There are 17 run submissions from eight teams (including two run submissions from the organizers) for Task 3 and seven run submissions from three teams for Task 4. We present a summary of the evaluation results of both tasks.