Knowledge Acquisition System Laboratory (Kato Laboratory) aims to develop a system that autonomously acquires knowledge from a large amount of statistical data on the Web, and a search engine that enables users to search for the acquired knowledge. Our laboratory mainly focuses on the following fields in Information Retrieval: retrieval models and ranking, learning to rank, search intent estimation, knowledge base development, knowledge base applications, Web mining, information extraction, search behavior analysis, search user models, recommendation systems, online evaluation.

News

Usuha-san (M1) received the Poster Presentation Award at the NTCIR-16 Conference

Usuha-san (M1) received the Poster Presentation Award at the NTCIR-16 Conference! 👏👏👏  Kota Usuha, Kohei Shinden, Makoto P. Kato and Sumio Fujita. KASYS at the NTCIR-16 WWW-4 Task. The 16th NTCIR Conference

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KASYS Won DEIM 2022 Awards

Koki Shibata (B4), Kota Usuha (B4), Yuki Yanagida (M1), and Yu Nakano (D2) won the student presentation award, and Yu Nakano won the sponsor award from NEC at DEIM 2021 (a domestic workshop)! 👏👏👏  柴田 幸輝, 加藤 誠: ランキングの部分的な改善を目的とした能動学習手法 薄羽 皐太, 加藤 誠, 藤田 澄男: 質問生成と機械読解に基づく情報検索アルゴリズム 柳田 雄輝, 加藤 誠, 河田 友香, 山本 岳洋, 大島 […]

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Seven DEIM 2022 Papers Presented

Seven papers were presented at DEIM 2022 (a domestic workshop): 柳田 雄輝, 加藤 誠, 河田 友香, 山本 岳洋, 大島 裕明, 藤田 澄男:検索行動に基づく購買満足度の関係分析 飯塚 洸二郎, 加藤 誠:インターリービングにおける正確性と効率性の理論的考察 柴田 幸輝, 加藤 誠:ランキングの部分的な改善を目的とした能動学習手法 薄羽 皐太, 加藤 誠, 藤田 澄男:質問生成と機械読解に基づく情報検索アルゴリズム 中野 優, 加藤 誠:被引用統計データのセル特定データセットの構築 安藤 真之介, 加藤 誠:推薦システムにおけるユーザから好みを引き出すメカニズムの評価 和久井 拓斗, 加藤 誠:統計データ収集のためのフォーカストクローラ

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DBSJ Journal (Vol. 20-J) Paper Accepted

The following paper has been accepted at DBSJ Journal (Vol. 20-J): 飯塚 洸二郎,加藤 誠,関 喜史: ニュース記事の品質が広告消費行動に与える影響の調査

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IEICE Transactions (J105-D) Paper Accepted

The following paper has been accepted at IEICE Transactions (J105-D): 笹治 拓矢, 加藤 誠: グラフニューラルネットワークを用いた表形式データの見出し認識

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WISE 2021 Paper Accepted

Our paper “Intent-aware Visualization Recommendation for Tabular Data”, authored by Atsuki Maruta, Makoto P. Kato, has been accepted at WISE 2021.

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CIKM 2021 Paper Accepted

Our short paper “The Effect of News Article Quality on Ad Consumption”, authored by Kojiro Iizuka, Yoshifumi Seki, Makoto P. Kato, has been accepted at CIKM 2021.

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IEEE GCCE 2021 Paper Accepted

Our paper “Table Caption Generation in Scholarly Documents Leveraging Pre-trained Language Models”, authored by Junjie H. Xu, Kohei Shinden, Makoto P. Kato, has been accepted at IEEE GCCE 2021.

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Research Topics

Visualizing Data

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