Publications

Journal Papers 23

1. Journal 2026

   First-Order Absorbing Markov Chain Analysis for Web Navigation and Conversion Rate Optimization

   Shune Lae Aung, Gendo Kumoi

   IEEE Access , 14 , pp.52704-52716 DOI

2. Journal 2025

   Verification of Weather Comment Generation from Weather Chart Images by ChatGPT [ja]

   天気 , 72(12) , pp.603-611 DOI

3. Journal 2025

   Prototype Development of an Automatic Generation System for Statistics Learning Practice Problems Using Generative AI [ja]

   日本教育工学会論文誌 , 49(2) , pp.341-354 DOI

4. Journal 2024

   Development of Evaluation Indices of Environmental Education to Promote Statistical and Information Literacy and Critical Thinking

   Tsukasa WATANABE, Gendo KUMOI, Tatsuya HATTORI, Shuichiro AKAMINE

   環境教育 , 33(1) , pp.2-13 DOI

5. Journal 2023

   Store Analysis Using Latent Representation of Robust Variational Autoencoder Based on Sales History Data

   Ryogo OKUBO, Ryosuke UEHARA, Gendo KUMOI, Masayuki GOTO, Tomohiro YOSHIKAI

   Total Quality Science , 8(2) , pp.113-123 DOI

6. Journal 2023

   Performance Evaluation of Error-Correcting Output Coding Based on Noisy and Noiseless Binary Classifiers

   Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Masayuki Goto, Shigeichi Hirasawa

   International Journal of Neural Systems , 33(02) DOI

7. Journal 2023

   Time Window Topic Model for Analyzing Customer Browsing Behavior

   Fumiyo Ito, Gendo Kumoi, Masayuki Goto

   情報処理学会論文誌 , 64(1) , pp.214-228

8. Journal 2022

   Transfer Learning Based on Probabilistic Latent Semantic Analysis for Analyzing Purchase Behavior Considering Customers' Membership Stages

   Tianxiang YANG, Gendo KUMOI, Haruka YAMASHITA, Masayuki GOTO

   Journal of Japan Industrial Management Association , 73(2E) , pp.160-175 DOI

9. Journal 2022

   An Analytical Model Based on Purchase History for Products with Low Multiple Purchases from Each Customer

   Ayako Yamagiwa, Gendo Kumoi, Masayuki Goto

   電子情報通信学会論文誌 D , J105-D(5) , pp.297-309 DOI

10. Journal 2022

    A Study on Analysis Model of Customers' Purchasing Behavior Based on Knowledge Graph Attention Network

    Fumiyo Ito, Zhiying Zhang, Gendo Kumoi, Masayuki Goto

    情報処理学会論文誌 , 63(1) , pp.205-217 DOI

11. Journal 2021

    Feature Transfer Based Clustering for Designing Customers Growth Measures

    Yosuke Hirano, Tianxiang Yang, Gendo Kumoi, Haruka Abe, Tetsuya Tachibana, Masayuki Goto

    情報処理学会論文誌 , 62(10) , pp.1704-1715

12. Journal 2021

    Deep Learning with Data Augmentation to Add Data Around Classification Boundaries

    Hideki Fujinami, Gendo Kumoi, Masayuki Goto

    Industrial Engineering & Management Systems , 20(3) , pp.384-397 DOI

13. Journal 2021

    A Study on the Optimization of the ECOC Method for Multi-label Classification Problems

    情報処理学会論文誌数理モデル化と応用（TOM） , 14(3) , pp.1-10 Link

14. Journal 2021

    A Model on Answering Documents Retrieval Considering Diversity Based on Topic Models

    OKAWA Junya, KUMOI Gendo, GOTO Masayuki

    経営情報学会誌 , 30(1) , pp.31-46 DOI

15. Journal 2021

    A Latent Class Analysis for Item Demand Based on Temperature Difference and Store Characteristics

    Yuto Seko, Ryotaro Shimizu, Gendo Kumoi, Tomohiro Yoshikai, Masayuki Goto

    Industrial Engineering & Management Systems , 20(1) , pp.35-47 DOI

16. Journal 2021

    A Study on Customer Purchase Behavior Analysis Based on Hidden Topic Markov Models

    Mio Hotoda, Gendo Kumoi, Masayuki Goto

    Industrial Engineering & Management Systems , 20(1) , pp.48-60 DOI

17. Journal 2020

    Relationship Analysis of Query and Answer Documents Based on Latent Dirichlet Allocation and Its Application

    Junya OKAWA, Gendo KUMOI, Masayuki GOTO

    経営情報学会誌 , 29(1) , pp.39-54

18. Journal 2020

    Binary Codeword Table for Multilevel Document Classification Using Information Theoretic Criterion

    Gendo Kumoi, Hideki Yagi, Masayuki Goto, Shigeichi Hirasawa

    情報処理学会論文誌数理モデル化と応用 , 13(1) , pp.1-12

19. Journal 2019

    Analytical Model of Customer Purchase Behavior Considering Page Transitions on EC Site

    Mio Hotoda, Hiroki Mizuochi, Gendo Kumoi, Masayuki Goto

    Total Quality Science , 5(1) , pp.23-33

20. Journal 2019

    Binary Document Classification Based on Fast Flux Discriminant with Similarity Measure on Word Set

    Keisuke Okubo, Gendo Kumoi, Masayuki Goto

    Industrial Engineering & Management Systems , 18(2) , pp.235-241

21. Journal 2019

    A Prediction of Customer Lifetime Value in a Platform Business using Nonnegative Matrix Factorization

    Kyosuke Hasumoto, Gendo Kumoi, Masayuki Goto

    情報処理学会論文誌 , 60(7) , pp.1283-1293

22. Journal 2017

    About the funeral and the buddhist wedding ceremony

    Gendo Kumoi

    浄土真宗総合研究 , 11 , pp.69-81

23. Journal 2014

    A Design of Recommendation Based on Flexible Mixture Model Considering Purchasing Interest and Post-Purchase Satisfaction

    Takeshi Suzuki, Gendo Kumoi, Kenta Mikawa, Masayuki Goto

    日本経営工学会論文誌 , 64(4) , pp.570-578 DOI

International Conferences 47

1. Int'l Conf 2025

   Nasal Skin Temperature Measurement for Cognitive Load Estimation: Comparing Bounding Box and Segmentation

   Naoto Tani, Keitaro Nakasai, Gendo Kumoi, Katsuko T. Nakahira, Yoshito Otake

   The 1st Workshop for Green AI Application / the 6th workshop for Next-Generation Software Ecosystems

2. Int'l Conf 2025

   Analysis of LLM Utilization Strategies Based on Cognitive Load During Programming

   Wataru Kobayashi, Kouki Shiono, Naoki Baba, Kyohei Shibata, Naoto Tani, Takumi Takasuka, Keitaro Nakasai, Gendo Kumoi, Katsuko T. Nakahira

   10th The International Conference on the "Science of Technology Innovation" 2025 (10th STI-Gigaku 2025)

3. Int'l Conf 2025

   Absorbing Markov Chain Evaluation of Website Structural Changes on Conversion Rates

   Shune Lae Aung, Kumoi Gendo

   2025 IEICE Shin-etsu Section Convention (IEEE Session, Co-organized with IEEE Shin-etsu Section)

4. Int'l Conf 2025

   Proposal of a Method for Estimating the Acquisition of Graph Comprehension Ability Based on Students’ Descriptive Answers

   Yuya Yagashira, Katsuko T. Nakahira, Masaaki Arai, Gendo Kumoi, Takashi Yukawa

   Procedia Computer Science DOI

5. Int'l Conf 2024

   Towards Measuring Cognitive Load during Software Engineering Tasks Using Nasal Skin Temperature: Development of a Detection System

   Naoto Tani, Fukutaro Mori, Taichi Nakamura, Yusaku Kii, Takumi Takasuka, Shunsuke Moriya, Keitaro Nakasai, Yoshio Otake, Gendo Kumoi, Katsuko T. Nakahira

   The First International Workshop on Intertwining Research & Education on Software (WIREDS 2024)

6. Int'l Conf 2024

   Measuring the cognitive load of programming using generative AI

   Fukutaro Mori, Taichi Nakamura, Yusaku Kii, Naoto Tani, Takumi Takasuka, Shunsuke Moriya, Keitaro Nakasai, Gendo Kumoi, Katsuko T. Nakahira

   9th The International Conference on the "Science of Technology Innovation" 2024 (9th STI-Gigaku 2024), STI-9-41 Link

7. Int'l Conf 2024

   Average Performance Analysis of Multi-Class Classification Based on Error-Correcting Output Codes

   Manabu Kobayashi, Gendo Kumoi, Hideki Yagi, Shigeichi Hirasawa

   2024 IEEE International Conference on Systems, Man, and Cybernetics (SMC) Link

8. Int'l Conf 2024

   Recognition Performance Validation of Weather Map Images by ChatGPT

   Takumi Takasuka, Yuki H. Takano, Shotaro Watanabe, Gendo Kumoi

   Procedia Computer Science DOI

9. Int'l Conf 2022

   Construction Methods for Error Correcting Output Codes Using Constructive Coding and Their System Evaluations

   Shigeichi Hirasawa, Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Masayuki Goto, Hiroshige Inazumi

   2022 IEEE International Conference on Systems, Man, and Cybernetics (SMC) DOI

10. Int'l Conf 2022

    Effect of Hamming Distance on Performance of ECOC with Estimated Binary Classifiers

    Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Shigeichi Hirasawa

    2022 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

11. Int'l Conf 2022

    Performance Evaluation of ECOC Considering Estimated Probability of Binary Classifiers

    Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Masayuki Goto, Shigeichi Hirasawa

    Proc. 10th World CIST Conf.

12. Int'l Conf 2021

    Time Window Topic Model for Analyzing Customer Browsing Behavior

    Fumiyo Ito, Gendo Kumoi, Masayuki Goto

    IEEE 12th International Workshop on Computational Intelligence and Applications

13. Int'l Conf 2021

    A Study on New Product Recommendation Using Multi-Label CVAE for Fresh Flowers

    Aya Kitasato, Gendo Kumoi, Masayuki Goto

    IEEE 12th International Workshop on Computational Intelligence and Applications

14. Int'l Conf 2021

    Store Analysis Using Latent Representation of Robust Variational Autoencoder Based on Sales History Data

    Ryogo Okubo, Ryosuke Uehara, Gendo Kumoi, Masayuki Goto, Tomohiro Yoshikai

    The 19th Asian Network for Quality Congress

15. Int'l Conf 2021

    A Node Sharing Learning Method for Deep Neural Networks in Multi-Label Classification

    Kodai Ishikura, Aya Kitasato, Gendo Kumoi, Masayuki Goto

    The 19th Asian Network for Quality Congress

16. Int'l Conf 2021

    A Discussion on Improving Fraud Detection Performance by Generative Adversarial Networks for Transactions Data

    Guanyu Yang, Yuki Tsuboi, Ryotaro Shimizu, Gendo Kumoi, Masayuki Goto

    The 19th Asian Network for Quality Congress

17. Int'l Conf 2020

    A Study on Analysis Model of Customers' Purchasing Behavior based on Knowledge Graph Attention Network

    Fumiyo Ito, Zhiying Zhang, Gendo Kumoi, Masayuki Goto

    18th Asian Network for Quality Congress

18. Int'l Conf 2020

    A Hypothesis Discovery Method for Predicting Change in Multidimensional Time-series Data

    Gendo Kumoi, Masayuki Goto

    2020 IEEE International Conference on Systems, Man, and Cybernetics

19. Int'l Conf 2019

    A QA System Model Considering Relationship of Topics between Question/Answer Documents

    Junya Okawa, Gendo Kumoi, Masayuki Goto

    2019 Asian Conference of Management Science & Applications ACMSA2019

20. Int'l Conf 2019

    A Study on Accuracy of Causal Effects Estimation for Unknown True Causal Structure

    Kazuma Inoue, Gendo Kumoi, Shunsuke Horii, Tota Suko, Masayuki Goto

    2019 Asian Conference of Management Science & Applications ACMSA2019

21. Int'l Conf 2019

    Important Variables Selection for Customer Feature Analysis Using Anomaly Detection Method

    Hirotake Arai, Gendo Kumoi, Masayuki Goto

    2019 Asian Conference of Management Science & Applications ACMSA2019

22. Int'l Conf 2019

    A Study of Out of Manifold Data Augmentation in Deep Neural Network

    Hideki Fujinami, Gendo Kumoi, Masayuki Goto

    2019 Asian Conference of Management Science & Applications ACMSA2019

23. Int'l Conf 2019

    A Study on Customer Purchase Behavior Analysis Based on Hidden Topic Markov Models

    Mio Hotoda, Gendo Kumoi, Masayuki Goto

    2019 Asian Conference of Management Science & Applications ACMSA2019

24. Int'l Conf 2019

    An Analytical Model to Activate Non-Royal Users of Multifunctional Credit Card

    Yuto Seko, Gendo Kumoi, Masayuki Goto, Tetsuya Tachibana

    2019 Asian Conference of Management Science & Applications ACMSA2019

25. Int'l Conf 2019

    A Study on Text Analysis Model to Support Creation of Summarized Weather Forecast

    Takuma Matsumoto, Yuto Seko, Gendo Kumoi, Masayuki Goto, Tomohiro Yoshikai

    17th Asian Network for Quality Congress ANQ2019

26. Int'l Conf 2019

    System Evaluation of Ternary Error-Correcting Output Codes for Multiclass Classification Problems*

    Shigeichi Hirasawa, Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Masayuki Goto, Tetsuya Sakai, Hiroshige Inazumi

    2019 IEEE International Conference on Systems, Man and Cybernetics (SMC) DOI

27. Int'l Conf 2019

    Greedy Features Quantity Selection Method from Multivariate Time Series Data for Customer Classification

    Gendo KUMOI, Masayuki GOTO

    4th International Conference on Big Data, Cloud Computing, and Data Science Engineering

28. Int'l Conf 2018

    A Pattern Analysis Model Based on Users' Action Series on a Portal Site for Job-hunting

    Yuuki Sugiyama, Gendo Kumoi, Masayuki Goto, Takashi Sakurai

    The 19th Asia Pacific Industrial Engineering and Management System Conference (APIEMS2018)

29. Int'l Conf 2018

    A Model to Detect Unique Customers Based on Time-series Log Data

    Xiaoyan Zhang, Haruka Yamashita, Gendo Kumoi, Masayuki Goto

    The 19th Asia Pacific Industrial Engineering and Management System Conference (APIEMS2018)

30. Int'l Conf 2018

    A Study on Automatic Classification of Query Documents Considering Question Contents

    Keisuke Okubo, Gendo Kumoi, Masayuki Goto

    The 19th Asia Pacific Industrial Engineering and Management System Conference (APIEMS2018)

31. Int'l Conf 2018

    An Analytical Model of Customer Purchase Behavior Considering Page Transitions on EC Site

    Mio Hotoda, Hiroki Mizuochi, Gendo Kumoi, Masayuki Goto

    16th Asian Network for Quality Congress Full Paper ANQ2018

32. Int'l Conf 2018

    A Prediction Model of Item Demands Based on Temperature Gap and Store Characteristics

    Yuto Seko, Ryotaro Shimizu, Gendo Kumoi, Masayuki Goto, Tomohiro Yoshikai

    16th Asian Network for Quality Congress Full Paper ANQ2018

33. Int'l Conf 2018

    System Evaluation of Error Correcting Output Codes for Artificial Data Methods

    Shigeichi Hirasawa, Gendo Kumoi, Manabu Kobayashi, Masayuki Goto, Hiroshige Inazumi

    Proc. of 2018 International Conference of Engineering Technology and Applied Science (ICETA 2018)

34. Int'l Conf 2018

    A Greedy Construction Approach of Codeword Table on Error Correcting Output Coding for Multivalued Classification and Its Evaluation by Using Artificial Data

    Gendo Kumoi, Hideki Yagi, Manabu Kobayashi, Masayuki Goto, Shigeichi Hirasawa

    Proc. of 2018 International Conference of Engineering, Technology, and Applied Science (ICETA 2018)

35. Int'l Conf 2018

    System evaluation of construction methods for multi-class problems using binary classifiers

    Shigeichi Hirasawa, Gendo Kumoi, Manabu Kobayashi, Masayuki Goto, Hiroshige Inazumi

    Advances in Intelligent Systems and Computing DOI

36. Int'l Conf 2017

    Transfer Learning Based on Probabilistic Latent Semantic Analysis for Analyzing Purchase Behavior Considering Customers' Membership Stages

    Tianxiang Yang, Gendo Kumoi, Haruka Yamashita, Masayuki Goto

    2017 Asian Conference of Management Science & Applications (ACMSA2017)

37. Int'l Conf 2017

    Binary Document Classication Based on Fast Flux Discriminant with Similarity Measure on Word Set

    Keisuke Okubo, Gendo Kumoi, Masayuki Goto

    2017 Asian Conference of Management Science & Applications (ACMSA2017)

38. Int'l Conf 2017

    A Study on Extraction of Important Items Focused on Customer Growth Based on Network Analysis

    Hiroaki Ito, Gendo Kumoi, Masayuki Goto

    The 18th Asia Pacific Industrial Engineering and Management System Conference (APIEMS2017)

39. Int'l Conf 2017

    A Study on Semi-supervised Learning Using a Small Number of Positive Example Documents and Unlabeled Documents

    Hiroki Mizuochi, Sei Okayama, Gendo Kumoi, Masayuki Goto

    15th Asian Network for Quality Conference (ANQ2017)

40. Int'l Conf 2012

    A Study of Document Classification Based on Polya Mixture Distribution

    Gendo Kumoi, Kenta Mikawa, Masayuki Goto, Shigeichi Hirasawa

    The 13th Asia Pacific Industrial Engineering and Management Systems Conference(APIEMS 2012)

41. Int'l Conf 2011

    A Proposal of Extracting Unknown Information from Customer Review for SWOT Analysis

    Kenta Mikawa, Gendo Kumoi, KazumaSuzuki, Masayuki Goto

    2011 Asian Conference of Management Science & Applications

42. Int'l Conf 2011

    A Study on the Recommender System Based on Probabilistic Latent Model

    Takeshi Suzuki, Gendo Kumoi, Kenta Mikawa, Masayuki Goto

    The 12th Asia Pacific Industrial Engineering and Management Systems Conference(APIEMS 2011)

43. Int'l Conf 2011

    A Study on Automatic Summarization of Customer Reviews Based on Maximum Coverage Problem

    Takashi Takemura, Gendo Kumoi, Gou Hosoya, Masayuki Goto

    The 12th Asia Pacific Industrial Engineering and Management Systems Conference(APIEMS 2011)

44. Int'l Conf 2011

    Automated Source Code Plagiarism Detection Based on Coding Style Model

    Kenta Hibi, Gendo Kumoi, Kenta Mikawa, Masayuki Goto

    The 12th Asia Pacific Industrial Engineering and Management Systems Conference(APIEMS 2011)

45. Int'l Conf 2011

    Multivalued Document Classification by Maximization of Posterior Probability Based on Relevance Vector Machine

    Ryosuke Odai, Gendo Kumoi, Kenta Mikawa, Gou Hosoya, Masayuki Goto

    The 12th Asia Pacific Industrial Engineering and Management Systems Conference(APIEMS 2011)

46. Int'l Conf 2009

    Student questionnaire analyses using the clustering method based on the PLSI model

    Takashi Ishida, Hisashi Hamada, Gendo Kumoi, Masayuki Goto, Shigeichi Hirasawa

    Proc. of the 2009 International Conference in Management Sciences and Decision Making

47. Int'l Conf 2009

    Document classification methods with a small-size training set

    Gendo Kumoi, Takashi Ishida, Masayuki Goto, Shigeichi Hirasawa

    Proc. of the 2009 International Conference in Management Sciences and Decision Making

Domestic Presentations 121