Search Results for author: Yoshiki Niwa

Found 10 papers, 0 papers with code

StruAP: A Tool for Bundling Linguistic Trees through Structure-based Abstract Pattern

no code implementations EMNLP 2017 Kohsuke Yanai, Misa Sato, Toshihiko Yanase, Kenzo Kurotsuchi, Yuta Koreeda, Yoshiki Niwa

We present a tool for developing tree structure patterns that makes it easy to define the relations among textual phrases and create a search index for these newly defined relations.

Decision Making Information Retrieval +1

Hitachi at SemEval-2017 Task 12: System for temporal information extraction from clinical notes

no code implementations SEMEVAL 2017 Sarath P R, Manik R, an, Yoshiki Niwa

This paper describes the system developed for the task of temporal information extraction from clinical narratives in the context of the 2017 Clinical TempEval challenge.

Question Answering Temporal Information Extraction +2

bunji at SemEval-2017 Task 3: Combination of Neural Similarity Features and Comment Plausibility Features

no code implementations SEMEVAL 2017 Yuta Koreeda, Takuya Hashito, Yoshiki Niwa, Misa Sato, Toshihiko Yanase, Kenzo Kurotsuchi, Kohsuke Yanai

This paper describes a text-ranking system developed by bunji team in SemEval-2017 Task 3: Community Question Answering, Subtask A and C. The goal of the task is to re-rank the comments in a question-and-answer forum such that useful comments for answering the question are ranked high.

Community Question Answering Question Similarity

Numerical Atrribute Extraction from Clinical Texts

no code implementations31 Jan 2016 Sarath P R, Sunil Mandhan, Yoshiki Niwa

First step is extraction of numerical attributes and values, which is developed as a Named Entity Recognition (NER) model using Stanford NLP libraries.

Attribute named-entity-recognition +4

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