The Sixth International Symposium on Interval Data Modelling: Theory and Applications

December 11-12, 2025, Xiamen University, China

The 6^th International Symposium on Interval Data Modelling: Theory and Applications (SIDM2025) is to be held in Paula and Gregory Chow Institute for Studies in Economics, Xiamen University, Xiamen, China, on December 11-12, 2025. The conference will include invited keynote speakers and roundtable forums. Arrival and registration of participants will start in the afternoon of December 10. All speeches and sessions will occur on December 11 and 12. This symposium is jointly organized by Paula and Gregory Chow Institute for Studies in Economics, Xiamen University, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, the AMSS Center for Forecasting Science, Chinese Academy of Sciences, and School of Economics and Management, University of Chinese Academy of Sciences.

Confirmed Keynote Speakers (in alphabetical order)

· Amos Golan, American University, Washington, DC

· Carlos Maté Jimenez, Nebrija University

· Dennis K.J. Lin, Purdue University

· Lirong Sun, Zhejiang Gongshang University

· Jianguo Sun, Southern University of Science and Technology

· Shouyang Wang, Chinese Academy of Sciences and University of Chinese Academy of Sciences

Aims and Topics

This symposium aims to provide a multi-disciplinary platform for academics and researchers, particularly young faculty and graduate students, to share experience and research findings on interval-valued data modelling and various related fields in both theory and practice, to share information on current and future developments, and to initiate theoretical advancements and practical developments toward solutions to our challenges through cross-fertilization.

The topics of interest of this symposium include, but not limited to:

· Interval time series analysis and forecast

· Symbolic data analysis

· Conformal prediction interval

· Quantile regression

· Candlestick forecasting and trading

· Data mining and analysis

· Risk measurement and volatility modelling

· Interval analysis and statistical inference

· Random set and fuzzy set

· Histogram data modelling

Submissions
Authors are invited to submit their extended abstracts/papers in pdf format with the purpose of presenting unpublished research in these topics. Abstracts must be sent as a one-page summary to the website https://conf.xmu.edu.cn/sidm2025. The deadline of submission is October 24, 2025, and notification of acceptance for presentation will be made to the respective authors by October 31, 2025. All submissions and presentations will be in English. Contact information can be found at the conference website.

Important Dates

Registration
We accept online registration at https://conf.xmu.edu.cn/sidm2025. The deadline of registration is November 15, 2025. There will be no registration fees. The participants are responsible for their own living costs (e.g., travel and housing) during the conference.

For more information, please visit

· https://conf.xmu.edu.cn/sidm2025 about the latest program and logistics of the SIDM conference.

· https://chow.xmu.edu.cn/ about Paula and Gregory Chow Institute for Studies in Economics.

· https://cefs.amss.ac.cn/ about the AMSS Center for Forecasting Science, Chinese Academy of Sciences.

· https://sem.ucas.ac.cn/about School of Economics and Management, University of Chinese Academy of Sciences.

If you have any questions, please contact sidm@amss.ac.cn.

We look forward to seeing you in Xiamen this year!

Conference Chair

· Shouyang Wang, Chinese Academy of Sciences and University of Chinese Academy of Sciences

Organizing Committee (in alphabetical order)

· Haowen Bao, Chinese Academy of Sciences

· Xuan Leng, Xiamen University

· Yuying Sun, Chinese Academy of Sciences

· Jin Zhou, Xiamen University