Hiroya Takamura

2026

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The First Workshop on Information Retrieval for Accountability and Integrity (IRAI).
Chung-Chi Chen|Juyeon Kang|Anaïs Lhuissier|Dittaya Wanvarie|Min-Yuh Day|Hiroya Takamura|Yohei Seki
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part III

2025

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Overview of the NTCIR-18 FinArg-2 Task: Temporal Inferenceof Financial Arguments.
Chung-Chi Chen|Chin-Yi Lin|Cheng-Chih Chiu|Hen-Hsen Huang|Alaa Alhamzeh|Yu-Lieh Huang|Hiroya Takamura|Hsin-Hsi Chen
Proceedings of the 18th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2025, Tokyo, Japan, June 10-13, 2025

2024

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Professionalism-Aware Pre-Finetuning for Profitability Ranking.
Chung-Chi Chen|Hiroya Takamura|Ichiro Kobayashi|Yusuke Miyao
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Grasping Both Query Relevance and Essential Content for Query-focused Summarization.
Ye Xiong|Hidetaka Kamigaito|Soichiro Murakami|Peinan Zhang|Hiroya Takamura|Manabu Okumura
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

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FinTech on the Web: An Overview.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Makoto P. Kato|Yu-Lieh Huang
ACM Transactions on the Web 2023 Volume 17 Issue 2
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Overview of the NTCIR-17 FinArg-1 Task: Fine-Grained Argument Understanding in Financial Analysis.
Chung-Chi Chen|Chin-Yi Lin|Chr-Jr Chiu|Hen-Hsen Huang|Alaa Alhamzeh|Yu-Lieh Huang|Hiroya Takamura|Hsin-Hsi Chen
Proceedings of the 17th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2023, Tokyo, Japan, December 12-15, 2023
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Financial Technology on the Web.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen
Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Overview of the NTCIR-16 FinNum-3 Task: Investor's and Manager's Fine-grained Claim Detection.
Chung-Chi Chen|Hen-Hsen Huang|Yu-Lieh Huang|Hiroya Takamura|Hsin-Hsi Chen
Proceedings of the 16th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2022, Tokyo, Japan, June 14-17, 2022
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An Overview of Financial Technology Innovation.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen
Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

2020

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Neural Query-Biased Abstractive Summarization Using Copying Mechanism.
Tatsuya Ishigaki|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen|Manabu Okumura
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II
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Distant Supervision for Extractive Question Summarization.
Tatsuya Ishigaki|Kazuya Machida|Hayato Kobayashi|Hiroya Takamura|Manabu Okumura
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II
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Semi-supervised Extractive Question Summarization Using Question-Answer Pairs.
Kazuya Machida|Tatsuya Ishigaki|Hayato Kobayashi|Hiroya Takamura|Manabu Okumura
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II
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Overview of the NTCIR-15 FinNum-2 Task: Numeral Attachment in Financial Tweets.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen
Proceedings of the 15th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2020, Tokyo, Japan, December 8-11, 2020

2019

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Final Report of the NTCIR-14 FinNum Task: Challenges and Current Status of Fine-Grained Numeral Understanding in Financial Social Media Data.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen
NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers
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Overview of the NTCIR-14 FinNum Task: Fine-Grained Numeral Understanding in Financial Social Media Data.
Chung-Chi Chen|Hen-Hsen Huang|Hiroya Takamura|Hsin-Hsi Chen
Proceedings of the 14th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2019, Tokyo, Japan, June 10-13, 2019

2013

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TTOKU Summarization Based Systems at NTCIR-10 1CLICK-2 task.
Hajime Morita|Ryohei Sasano|Hiroya Takamura|Manabu Okumura
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

2012

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Balanced coverage of aspects for text summarization.
Takuya Makino|Hiroya Takamura|Manabu Okumura
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2011

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Summarizing a Document Stream.
Hiroya Takamura|Hikaru Yokono|Manabu Okumura
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings
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TTOKU Summarization Based Systems at NTCIR-9 1CLICK task.
Hajime Morita|Takuya Makino|Tetsuya Sakai|Hiroya Takamura|Manabu Okumura
Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

2010

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Constructing Blog Entry Classifiers Using Blog-Level Topic Labels.
Ken Hagiwara|Hiroya Takamura|Manabu Okumura
Information Retrieval Technology - 6th Asia Information Retrieval Societies Conference, AIRS 2010, Taipei, Taiwan, December 1-3, 2010. Proceedings
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Learning to generate summary as structured output.
Hiroya Takamura|Manabu Okumura
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2009

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Text summarization model based on the budgeted median problem.
Hiroya Takamura|Manabu Okumura
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009