Yamashita Haruka

(山下遥)

Profile Information

Affiliation: Associate Professor, Faculty of Science and Technology, Department of Information and Communication Sciences, Sophia University

Degree: 学士(工学)(東京理科大学)
修士(工学)(慶應義塾大学)
博士(工学)(慶應義塾大学)

Researcher number: 90754797
J-GLOBAL ID: 201501092433192025
researchmap Member ID: 7000011989

External link: http://pweb.cc.sophia.ac.jp/yamashita_lab/

Research Interests

ビジネスアナリティクス, 統計的品質管理, 応用統計解析, 多変量解析

Research Areas

Awards

Jun, 2023

JSAI Annual Conference Award, Recommendation of fashion coordination posts based on image and language information, JSAI

Risa Iwai, Ryotaro Shimizu, Haruka Yamashita
Sep, 2022

Best Paper Award, A Method to Improve Serendipity of Recommendation Lists Based on Collaborative Metric Learning, ANQ

Akiko Yoneda, Ryota Matsunae, Haruka Yamashita, MasayukiGoto
Aug, 2022

優秀論文賞, 反転ゼミ形式による多大学で連携するオンライン研究交流の試みーデータサイエンス領域のオンラインゼミを事例として一, 2022PCカンファレンス

後藤正幸、小林学、守口剛、関庸ー、鈴木秀男、生田目崇、中田和秀、石垣綾、上田雅夫、佐藤公俊、三川健太、山下遥、田尻裕
Oct, 2019

Best Paper Award, China, Asian Conference on Management Science Association

Taiju Hosaka, Haruka Yamashita, Masayuki Goto
Sep, 2018

Best Paper Award, Kazakhstan, Asian Network for Quality 2018

Mana Takaya, Haruka Yamashita

Papers

A Proposal for Recommender System Based on Neural Collaborative Ranking Model with Multiple Implicit Feedback and Ordering Relationships

Ryuta Matsuoka, Yuta Sakai, Haruka Yamashita, Masayuki Goto

Industrial Engineering & Management Systems, 24(2) 176-187, Jun 30, 2025 Peer-reviewedCorresponding author
Generation of Images with Many Likes Using Conditional StyleGAN2-ADA Considering User Attribute Information

Tatsuki Oike, Haruka Yamashita, Ryotaro Shimizu

Industrial Engineering & Management Systems, 24(1) 21-28, Mar 31, 2025 Peer-reviewed
Conditional Visualization Analysis Model for Communication between Employees on Business Chat App

Tatsuya Kawakami, Haruka Yamashita, Toyofumi Miura, Masayuki Goto

Journal of Japan Industrial Management Association, 75(2) 60-75, Jul, 2024 Peer-reviewed
Effectiveness verification framework for coupon distribution marketing measure considering users’ potential purchase intentions

Akiko Yoneda, Ryotaro Shimizu, Shion Sakurai, Makoto Kawata, Haruka Yamashita, Masayuki Goto

Cogent Engineering, 11(1), Jan 21, 2024
A Study on Out-of-Distribution Detection based on Generative Models Trained for Each Discriminant Class

Ryota MATSUNAE, Fuyu SAITO, Haruka YAMASHITA, Masayuki GOTO

Total Quality Science, 8(2) 100-112, Jun 15, 2023 Peer-reviewed

Misc.

A Clustering Model Capturing User Diversity through Interaction Frequency

Ryuta Matsuoka, Yuta Sakai, Haruka Yamashita, Masayuki Goto

Proceedings of APIEMS2024, Dec, 2024 Peer-reviewed
Estimating the Optimal Advertisement Serving Media with Hierarchical Bayesian Model Using Customer Attribute Data

Reina Komoda, Haruka Yamashita

Proceedings of CIE52, Nov, 2024 Peer-reviewedLast authorCorresponding author
A Study on Efficient Annotation Method for Single Annotators

Risa Iwai, Ryotaro, Shimizu, Haruka Yamashita

Proceedings of CIE51, Nov, 2024 Peer-reviewedLast authorCorresponding author
PREDICTION OF USER WITHDRAWAL FROM PREGNANCY/CHILDCARE Q&A SITE AND ANALYSIS OF ITS FACTORS

Himari Seino, Haruka Yamashita

Proceedings of CIE52, Nov, 2024 Peer-reviewedLast authorCorresponding author
顧客の閲覧頻度と嗜好多様性を考慮したクラスタリングモデル

松岡龍汰, 阪井優太, 後藤正幸, 山下遥

日本計算機統計学会シンポジウム論文集, 38 128-131, Oct, 2024

Presentations

Online Flipped Conference Based Data Science Education Program and Its Educational Effectiveness in Multi-University Collaboration

Masayuki Goto, Manabu Kobayashi, Takeshi Moriguchi, Yoichi Seki, Hideo Suzuki, Takashi Namatame, Kazuhide Nakata, Aya Ishigaki, Masao Ueda, Kimitoshi Sato, Kenta Mikawa, Haruka Yamashita, Tomoaki Tabata, Tianxiang Yang, Ayako Yamagiwa, Yutaka Tajiri

ACMSA2023, Dec 17, 2023
Follow-up survey on the effect of the educational program applying the concept of active learning in the field of Nepal

Haruka Yamashita, Manita Shresta, Masaaki Sugihara, Masayuki Goto

ACMSA2023, Dec 17, 2023
VQ-Conditional Styleによるユーザ属性情報を考慮した画像生成に関する研究

大池樹, 山下遥

第71回日本経営システム学会全国発表大会, Nov 19, 2023
Predicting Time Series Data Using Approximated LSTM Model

Hua Yunkun, Haruka Yamashita

The 71 th conference of JAMS, Nov 18, 2023
適応的実験計画法に基づく満足度の高いマンゴーの要因分析に関する研究

坂牧悠香, 山下遥

第71回日本経営システム学会全国大会, Nov 18, 2023
コーディネートを考慮したファッションアイテムの推薦システムに関する研究

劉越, 山下遥

第71回日本経営システム学会全国大会, Nov 18, 2023
A study on recommendation of fashion coordination posts based on image and linguistic information

Risa Iwai, Ryotaro Shimizu, Haruka Yamashita

APIEMS2023, Oct 24, 2023
A recommendation system of Q&A services for respondents

Akira Tanihata, Haruka Yamashita

APIEMS2023, Oct 24, 2023
A study on image generation considering user attribute information by VQ-Conditional StyleGAN2

Tatsuki Oike, Haruka Yamashita, Ryotaro Shimizu

APIEMS2023, Oct 24, 2023
Machine learning based experimental design and effectiveness verification for coupon measures with different discount amounts

Akiko Yoneda, Ryotaro Shimizu, Shion Sakurai, Makoto Kawata, Haruka Yamashita, Masayuki Goto

APIEMS2023, Oct 24, 2023
Image recommendation model for Q&A questions based on Sentence-BERT

Yasuhito Fujisawa, Jiro Iwanaga, Takanobu Nozawa, Haruka Yamashita

APIEMS2023, Oct 24, 2023
A study on factor analysis of satisfying mangoes based on adaptive design of experiments

Yuka Sakamaki, Haruka Yamashita

APIEMS2023, Oct 24, 2023
A study on factor analysis of stock price fluctuations for evaluating the portfolio companies

Shingo Kawamura, Sen Zhang, Kenta Nakamura, Haruka Yamashita

APIEMS2023, Oct 24, 2023
Development of Othello AI that plays close battles

Kenshiro Tsubota, Haruka Yamashita

APIEMS2023, Oct 23, 2023
Q&Aサービスにおける良質な回答を増加させるための推薦システムの提案

谷畑耀, 山下遥

第71回日本経営システム学会全国大会, Oct 18, 2023
ネパールをフィールドとしたアクティブラーニング型教育プログラムの効果の実感に関する追跡調査

山下遥, シュレスタマニタ, 杉原真晃, 後藤正幸

日本教育工学会2023年春季全国大会, Mar 25, 2023
日本の大学との連携教育プログラムが与えるネパールの大学生への内的効果に関する分析

シュレスタマニタ, 山下遥, 杉原真晃, 後藤正幸

日本教育工学会2023年春季全国大会, Mar 25, 2023
Title: Research on a movie rental recommendation system considering user preferences and seller interests based on RLDA

He Shunyang, Haruka Yamashita

ICRMV2022, Mar, 2022
Machine Learning for Demand Prediction of Seasonal Secondhand Fashion Items Based on Prior and Fine-tuning Prediction Models

Fuyu Saito, Haruka Yamashita, Hokuto Sasaki, Masayuki Goto

IEEE IWCIA2021, Nov 6, 2021
A Study on OOD Detection Based on Generative Models Trained for Each Discriminant Class

Ryota Matsunae, Fuyu Saito, Haruka Yamashita, Masayuki Goto

The 19th Asian Network for Quality Congress (ANQ2021), Oct 21, 2021
A Study on Promoting the Use of Food and Beverage Shops in Movie Theatres Based on Latent Class Logit Model

Tomohiro Kimura, Haruka Yamashita

Asian Network for Quality (ANQ2021), Oct 20, 2021
A Study on Structural Equation Modeling Considering Latent Structure

Koki Kano, Haruka Yamashita

2020 INFORMS Annual Meeting, Nov 8, 2020
A Study of Analysis Methods for Explaining Different Important Items Focused on Membership Stage Growth

Tianxiang Yang, Haruka Yamashita, Masayuki Goto

2020 INFORMS Annual Meeting, Nov 8, 2020
Analytical Model of Customer Purchasing Behavior Considering Event Characteristics on Flower Delivery Business

Aya Kitasato, Kenya Nonaka, Haruka Yamashita, Masayuki Goto

18th Asian Network for Quality Congress (ANQ2020), Oct 22, 2020
An Analytical Model of Customer Purchase Factors Based on Conditional Variational Autoencoder Learned of Browsing History Data

Tatsuya Kawakami, Yuta Sakai, Haruka Yamashita, Masayuki Goto

ANQ2020, Oct 20, 2020
Factor Analysis Model in Choice of Products Considering the Customer Information Based on the Logit Model

Mana Takaya, Haruka Yamashita

2nd International Conference on Economic Growth, Business Strategy and Social Sciences Reforms, Sep, 2019
A Study on Prediction Model of Internet Advertisement Effect Depends on the Budget Based on Long Short Term Memory Model

Yuki Horita, Haruka Yamashita

2nd International Conference on Economic Growth, Business Strategy and Social Sciences Reforms, Sep, 2019
Analysis Model for Viewer Rating of Drama Programs Based on the Hidden Markov Model

Haruka Yamashita

2nd International Conference on Economic Growth, Business Strategy and Social Sciences Reforms, Sep, 2019
An Analysis Model for the Relationship Between Consumers' Purchase and Sense of Value

Haruka Yamashita

4th IEEE/ACIS Internarional conference on Big Data, Cloud Computing, Data Science and Engineering, May, 2019
A Study on Analysis Methods of Latent Customer Purchase Behavior Focused on Membership Stage Growth

Tianxiang Yang, Haruka Yamashita, Masayuki Goto

4th IEEE/ACIS Internarional conference on Big Data, Cloud Computing, Data Science and Engineering, May, 2019
Consumer Purchasing Behavior Analysis Model for Purchase History Data Stored in Credit Card

Ryotaro Shimizu, Haruka Yamashita, Masayuki Goto, Ranna Tanaka

APIEMS2018, Dec, 2018
An Analysis of Web Access Log Data Based on Graph Mining Method

Ryota Kawabe, Haruka Yamashita, Masayuki Goto

APIEMS2018, Dec, 2018
An Analytical Model for Customer Purchasing Behavior Based on a Generative Model of RFM Measures

Yuri Nishio, Haruka Yamashita, Masayuki Goto

APIEMS2018, Dec, 2018
Bayesian network considering the clustering of the customers in the hair salon

Yuki Horita, Haruka Yamashita

Asian Network for Quality 2018, Sep, 2018, Asian Network for Quality 2018
A Study on the psychological change of consumer based on AIDAS model

Mana Takaya, Haruka Yamashita

Asian Network for Quality 2018, Sep, 2018, Asian Network for Quality 2018
An Algorithm for Principal Points Considering External Criterion for Multivariate Binary Distributions

Haruka Yamashita

APIEMS2017, Dec, 2017
A Model for Relational Analysis of Recommendation Articles and Reactions on Gourmet Service Site

Teppei Sakamoto, Haruka Yamashita, Masayuki Goto, Jiro Iwanag

APIEMS2017, Dec, 2017
A Recommendation System Based on NMF Approach for Solving Cold Start Problem

2017 Asian Conference of Management Science & Applications, Dec, 2017, Xiaoyan Zhang, Sei Okayama, Haruka Yamashita, Masayuki Goto
Transfer Learning Based on Probabilistic Latent Semantic Analysis for Analyzing Purchase Behavior Considering Customers' Membership Stages

2017 Asian Conference of Management Science & Applications, Dec, 2017, Tianxiang Yang, Gendo Kumoi, Haruka Yamashita, Masayuki Goto
Proposal of Hierarchical Structure Learning of Bayesian Network for Analyzing Customer Purchasing Behavior

Ryota Kawabe, Hiroaki Itou, Haruka Yamashita, Masayuki Goto

15th Asian Network for Quality Conference, Sep, 2017
Proposal of a purchase behavior analysis model on EC site considering questionnaire data

Ryotaro Shimizu, Teppei Sakamoto, Haruka Yamashita, Masayuki Goto

15th Asian Network for Quality Conference, Sep, 2017
A study on a purchasing data analysis method considering the customer satisfaction based on the questionnaire survey

Haruka Yamashita

15th Asian Network for Quality Conference, Sep, 2017
An Investigation into the Awareness of the Need for Quality Education in Nepal

Megumi Asada, Haruka Yamashita, Manita Shrestha, Masayuki Goto, Brenda Bushell

Canadian Student Research Conference 2017, 2017
RA Study of the Present and Future Utilization of ICT in Nepal

Hirotake Arai, Haruka Yamashita, Manita Shrestha, Masayuki Goto, Brenda Bushell

Canadian Student Research Conference 2017, 2017
An Analytic Model of Relation between Companies’ Recruitment Activities and Number of Students’ Application Based on Mixture Regression Model

Seiya Nagamori, Haruka Yamashita, Masayuki Goto

APIEMS 2016, Dec, 2016, APIEMS 2016
A study of extended RFM analysis based on PLSA model for Purchase History Data

Qian, Zhang, Haruka Yamashita, Kenta Mikawa, Masayuki Goto

APIEMS 2016, Dec, 2016, APIEMS 2016
Construction of a coupon effect maximization model considering viewing terminals of the EC site

Kaitaro Endo, Haruka Yamashita, Masayuki Goto

APIEMS 2016, Dec, 2016, APIEMS 2016
A Discrimination Model Introducing Attribute Score Parameters for Explanatory Variables

Haruka Yamashita, Masayuki Goto

APIEMS 2016, Dec, 2016, APIEMS 2016
Multi-Category Classification Based on ECOC Approach Using Sub-categories

Leona Suzuki, Haruka Yamashita, Masayuki Goto

APIEMS 2016, Dec, 2016, APIEMS 2016
Research on the Political Crisis and its Impact on the Economic and Social Sectors in Nepal

Ryotaro Shimizu, Haruka Yamashita, Masayuki Goto, Brenda Bushell

IEA Conference 2016, Oct, 2016, IEA Conference 2016

Research Projects

Construction of an analysis models for utilizing large-scale logs and experimental data to realize a data-driven enterprise system

Grants-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2024 - Mar, 2028

Masayuki Goto, Masao Ueda, Takeshi Moriguchi, Yoichi Seki, Hideo Suzuki, Takashi Namatame, Manabu Kobayashi, Kenta Mikawa, Haruka Yamashita
A study on effective measure verification based on a reinforcement learning approach to maximize marketing effectiveness

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2024 - Mar, 2027
データ駆動型社会の基盤をなす次世代実験計画技術の開発と実証的評価

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2025
ポストコロナ時代における異文化ネットワーキングに基づく協働型主体的学習モデル

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jul, 2021 - Mar, 2024
A study on an embedding model for constructing organic marketing system

Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024

Haruka Yamashita

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