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

Dec, 2025

野球部門最優秀賞, 投手の属性を考慮したパフォーマンス低下の要因分析, 日本統計学会スポーツデータサイエンス分科会

飯泉匠郎, 山下遥
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

Papers

Enhancing multimodal recommendation via contrastive self-supervised modality-preserving learning

Jiajie Lu, Haruka Yamashita

INTERNATIONAL JOURNAL OF MULTIMEDIA INFORMATION RETRIEVAL, 15(3), Jun 27, 2026 Peer-reviewedLast authorCorresponding author
Study on Factor Analysis of Stock Price Fluctuations Based on Time Varying Coefficients Model

Shingo Kawamura, Kenta Nakamura, Sen Zhang, Haruka Yamashita

Industrial Engineering & Management Systems, 25(1) 222-231, Mar 31, 2026 Peer-reviewedLast author
Predictive Principal Variable Selection Criteria for Multivariate Multiple Regression Model with an Application

Haruka Yoshida, Shun Matsuura, Haruka Yamashita, Manabu Kuroki

Quality, 55(4) 259-272, Aug, 2025 Peer-reviewed
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

Misc.

102

Enhancing Multimodal Recommendation through Dataset Augmentation

Jiajie Lu, Haruka Yamashita

The Proceedings of ACMSA2025, Dec, 2025 Peer-reviewedCorresponding author
Enhancing Multimodal Recommendation via Contrastive Self-Supervised Modality-Preserving Learning

Jiajie Lu, Yamashita Haruka

Research square, 15(3), Oct 27, 2025 Corresponding author
Construction of a Personalized Recommendation System for TVCM Design Based on Multimodal Analysis and Hybrid Model

本美桃佳, 山下遥

人工知能学会全国大会論文集(Web), 39th, 2025
Study on Interval for Posting Questions on Q&A Application by Hierarchical Bayesian Model Considering Attributes of Users

伊藤諒, 山下遥

人工知能学会全国大会論文集(Web), 39th, 2025
A Text Analysis Model for Exploring Factors Influencing Repeat of Customer Review Posting

WANG Jiayi, SHAO Tengfei, YANG Tianxiang, 山下遥, 後藤正幸

人工知能学会全国大会論文集(Web), 39th, 2025

Presentations

A Study on Multivariate Control Chart Using Principal Points

Haruka Yamashita, Shun Matsuura, Hideo Suzuki

Asian Network for Quality, Sep, 2016, Asian Network for Quality
A New Analytical Model for Customer Growth Considering Potential Purchasing Preferences

Yuri Nishio, Hiroaki Itou, Haruka Yamashita, Masayuki Goto

15th Asian Network for Quality Conference, Sep, 2016
A Latent Class Model to Analyze the Relationship Between Companies

Teppei Sakamoto, Haruka Yamashita, Masayuki Got

IISE Asia 2016, Jul, 2016, IISE Asia 2016
A regression model considering multi-linear structures

Haruka Yamashita, Yusuke Yano, Yohei Saotome

IISE Asia 2016, Jul, 2016, IISE Asia 2016
Analysis of Purchase History Data Based on a New Latent Class for RFM Analysis

Qian Zhang, Haruka Yamashita, Kenta Mikawa, Masayuki Goto

Asian Conderence for Management Science and Application, Sep, 2015, Asian Conderence for Management Science and Application
An Analysis Based on Principal Matrix Decomposition for 3-mode Binary Data

Haruka Yamashita, Masayuki Goto

Asian Conderence for Management Science and Application, Sep, 2015, Asian Conderence for Management Science and Application
On Statistical Hypothesis Testing for Gaussian Random Function

Shun Matsuura, Haruka Yamashita, Kinateder Kimberly K. J

Kyoto International Conference on Modern Statistics in the 21st Century, Sep, 2015, Kyoto International Conference on Modern Statistics in the 21st Century
Model Selection for the Estimation of Principal Points for a Multivariate Binary Distribution

Haruka Yamashita, Hideo Suzuki

Asian Network for Quality, Sep, 2014, Asian Network for Quality
A study on principal points for multivariate multi-level distributions

Haruka Yamashita, Hideo Suzuki

Asian Network for Quality, Oct, 2013, Asian Network for Quality
An approximation method of binary Principal Points based on k-means approach

Haruka Yamashita, Hideo Suzuki

Asian Network for Quality, Oct, 2012, Asian Network for Quality
A Study on the methods of Heuristic approximation for Principal Points of Binary Data

Haruka Yamashita, Hideo Suzuki

Asian Network for Quality, Sep, 2011, Asian Network for Quality

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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