Chung-Chi Chen

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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Report on the 18th Round of NII Testbeds and Community for Information Access Research (NTCIR-18).
Chung-Chi Chen|Qingyao Ai|Shoko Wakamiya|Makoto P. Kato|Yiqun Liu|Charles L. A. Clarke|Noriko Kando
SIGIR Forum 2025 Volume 59 Issue 2
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Advances in Financial AI: Innovations, Risk, and Responsibility in the Era of LLMs.
Yongjae Lee|Nazanin Mehrasa|Chanyeol Choi|Chung-Chi Chen|Dhagash Mehta|Stefan Zohren|Yoon Kim|Chulheum Lee|Yeonhee Lee|Eunsook Oh
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Company-Specific Knowledge Matters: Retrieval-Augmented Generation for Earnings Call Answer Rehearsal.
Yung-Yu Shih|Yun-Nung Chen|Chung-Chi Chen
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Overview of NTCIR-18.
Chung-Chi Chen|Qingyao Ai|Shoko Wakamiya
Proceedings of the 18th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2025, Tokyo, Japan, June 10-13, 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
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Information Retrieval in Finance: Industry and Academic Perspectives on Innovation.
Chung-Chi Chen|Yongjae Lee|Alejandro Lopez-Lira|Chanyeol Choi|Richard McCreadie|Javier Sanz-Cruzado
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Pre-Finetuning with Impact Duration Awareness for Stock Movement Prediction.
Cheng-Chih Chiu|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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Co-Trained Retriever-Generator Framework for Question Generation in Earnings Calls.
Yining Juan|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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RAG-Enhanced Evidence Recommendation in Financial Legal Resolutions.
Hsiu-Hung Lee|Chung-Chi Chen|An-Zi Yen
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 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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Automation of Text-Based Economic Indicator Construction: A Pilot Exploration on Economic Policy Uncertainty Index.
Hsiu-Hsuan Yeh|Yu-Lieh Huang|Ziho Park|Chung-Chi Chen
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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Generator-Guided Crowd Reaction Assessment.
Sohom Ghosh|Chung-Chi Chen|Sudip Kumar Naskar
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
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News-Driven Price Movement Forecasting with Label-Prior Graph Attention.
Yi-Ting Liu|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 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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DynamicESG: A Dataset for Dynamically Unearthing ESG Ratings from News Articles.
Yu-Min Tseng|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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The Mask One At a Time Framework for Detecting the Relationship between Financial Entities.
Sohom Ghosh|Sachin Umrao|Chung-Chi Chen|Sudip Kumar Naskar
Proceedings of the 15th Annual Meeting of the Forum for Information Retrieval Evaluation, FIRE 2023, Panjim, India, December 15-18, 2023
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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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Personalized Dynamic Recommender System for Investors.
Takehiro Takayanagi|Chung-Chi Chen|Kiyoshi Izumi
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 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

2021

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NQuAD: 70, 000+ Questions for Machine Comprehension of the Numerals in Text.
Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Constructing Noise Free Economic Policy Uncertainty Index.
Chung-Chi Chen|Hen-Hsen Huang|Yu-Lieh Huang|Hsin-Hsi Chen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Distilling Numeral Information for Volatility Forecasting.
Chung-Chi Chen|Hen-Hsen Huang|Yu-Lieh Huang|Hsin-Hsi Chen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Retrieving Implicit Information for Stock Movement Prediction.
Tsun-Hsien Tang|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
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FinSense: An Assistant System for Financial Journalists and Investors.
Yi-Ting Liou|Chung-Chi Chen|Tsun-Hsien Tang|Hen-Hsen Huang|Hsin-Hsi Chen
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
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Evaluating the Rationales of Amateur Investors.
Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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NumClaim: Investor's Fine-grained Claim Detection.
Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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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
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Learning to Generate Correct Numeric Values in News Headlines.
Jui Chu|Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Companion of The 2020 Web Conference 2020, Taipei, Taiwan, April 20-24, 2020
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Hedging via Opinion-based Pair Trading Strategy.
Ting-Wei Hsu|Chung-Chi Chen|Hen-Hsen Huang|Meng Chang Chen|Hsin-Hsi Chen
Companion of The 2020 Web Conference 2020, Taipei, Taiwan, April 20-24, 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
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Numeral Attachment with Auxiliary Tasks.
Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
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CrowdPT: Summarizing Crowd Opinions as Professional Analyst.
Chung-Chi Chen|Hen-Hsen Huang|Chia-Wen Tsai|Hsin-Hsi Chen
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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Fine-Grained Analysis of Financial Tweets.
Chung-Chi Chen|Hen-Hsen Huang|Hsin-Hsi Chen
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018