自然言語処理

レシピはその情報の多くが自然言語で構成されています。そのため、クックパッドでは自然言語処理が非常に重要です。例えば、クックパッドで開発しているレシピ検索やレシピ分類、レシピ要約は、自然言語処理の応用事例である情報検索や文書分類、自動要約をレシピドメインにおいて具現化したものです。また、これらを具現化するには、形態素解析や固有表現認識、同義表現認識などの自然言語処理の基礎技術をレシピドメイン向けに開発する必要があります。研究開発部門ではこのように基礎と応用の両面から自然言語処理を研究し、会社のミッションである「毎日の料理を楽しみにする」サービスの開発を支援しています。

発表文献

Visual Grounding Annotation of Recipe Flow Graph
Taichi Nishimura, Suzushi Tomori, Hayato Hashimoto, Atsushi Hashimoto, Yoko Yamakata, Jun Harashima, Yoshitaka Ushiku, and Shinsuke Mori
Proceedings of the 12th International Conference on Language Resources and Evaluation (LREC 2020)

Calorie Estimation in a Real-World Recipe Service
Jun Harashima, Makoto Hiramatsu, and Satoshi Sanjo
Proceedings of the 32nd Annual Conference on Innovative Applications of Artificial Intelligence (IAAI-20)

Named Entity Recognition by Character-based Word Classification using a Domain Specific Dictionary
Makoto Hiramatsu, Kei Wakabayashi, and Jun Harashima
Proceedings of the 20th International Conference on Computational Linguistics and Intelligent Text Processing (CICLing 2019)

Step or Not: Discriminator for The Real Instructions in User-generated Recipes
Shintaro Inuzuka, Takahiko Ito, and Jun Harashima
Proceedings of the 4th Workshop on Noisy User-generated Text (W-NUT 2018)

Two-Step Validation in Character-based Ingredient Normalization
Jun Harashima and Yoshiaki Yamada
Proceedings of the 10th Workshop on Multimedia for Cooking and Eating Activities (CEA 2018)

Design in Everyday Cooking: Challenges for Assisting with Menu Planning and Food Preparation
Atsushi Hashimoto, Jun Harashima, Yoko Yamakata, and Shinsuke Mori
Proceedings of the 8th International Conference on Cross-Cultural Design (CCD 2016)

A Large-Scale Recipe and Meal Data Collection as Infrastructure for Food Research
Jun Harashima, Michiaki Ariga, Kenta Murata, and Masayuki Ioki
Proceedings of the 10th International Conference on Language Resources and Evaluation (LREC 2016)

Japanese-English Machine Translation of Recipe Texts
Takayuki Sato, Jun Harashima, and Mamoru Komachi
Proceedings of the 3rd Workshop on Asian Translation (WAT 2016)