An Adaptive MSINR Filter for Co-channel Interference Suppression in DS/CDMA Systems. - Yutaro Minami; Kohei Otake (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Quality of Community in Social Games. - Kohei Otake; Tadakazu Fukutomi; Tomofumi Uetake (HCI (22), 2011)

A Consideration of the Functions That Support to Find New Friends in Social Games. - Kohei Otake; Tomofumi Uetake; Akito Sakurai (HCI (26), 2013)

A Proposal of a Support System for Motivation Improvement Using Gamification. - Kohei Otake; Ryosuke Sumita; Makoto Oka; Yoshihisa Shinozawa; Tomofumi Uetake; Akito Sakurai (HCI (22), 2014)

Examination of the effect of social login through analysis of user's purchasing tendency. - Kohei Otake; Yoshihisa Shinozawa; Akito Sakurai; Makoto Oka; Tomofumi Uetake; Motoya Suzuki (CCNC, 2015)

A Proposal of an SNS to Support Individual Practices in a Voluntary Community. - Kohei Otake; Masashi Komuro; Yoshihisa Shinozawa; Tomofumi Uetake; Akito Sakurai (HCI (28), 2015)

Proposal of a Visualization Method to Support Informal Communication Using Twitter Attributes. - Ryota Sasajima; Kohei Otake; Makoto Oka; Akito Sakurai (HCI (4), 2015)

Consideration of the Loyal Customer Sub-communities in a Consumer Community Through Analysis of Social Networking Services - A Case Study of a Fashion Brand. - Kohei Otake; Tomofumi Uetake; Akito Sakurai (HCI (27), 2016)

Analysis of Trade Area for Retail Industry Store Using Consumer Purchase Record. - Sachiko Iwasaki; Ko Hashimoto; Kohei Otake; Takashi Namatame (HCI (12), 2017)

Collaborative Learning Support System for Programming Education Using Gamification. - Kohei Otake; Tomofumi Uetake (HCI (30), 2017)

Analysis of Cancellation Factors Based on the Characteristics of Golf Courses in Reservation Sites. - Naoya Saijo; Kohei Otake; Takashi Namatame (HCI (12), 2017)

Analysis of the Characteristics of Repeat Customer in a Golf EC Site. - Yusuke Sato; Kohei Otake; Takashi Namatame (HCI (12), 2017)

Valuation of Customer and Purchase Behavior of a Supermarket Chain Using ID-POS and Store Causal Data. - Syun Usami; Kohei Otake; Takashi Namatame (HCI (12), 2017)

Evaluation of Store Layout Using Eye Tracking Data in Fashion Brand Store. - Naoya Saijo; Taiki Tosu; Kei Morimura; Kohei Otake; Takashi Namatame (HCI (13), 2018)

Evaluation of Network Structure Using Similarity of Posts on Twitter. - Yusuke Sato; Kohei Otake; Takashi Namatame (HCI (14), 2018)

Proposal of Learning Support SNS Utilizing Gamification. - Syun Usami; Kohei Otake; Takashi Namatame (HCI (14), 2018)

Customer Preference and Latent Needs Analysis Using Data of TV Viewing and Web Browsing. - An Guo; Kohei Otake; Takashi Namatame (HCI (14), 2019)

Reciprocal Customer Transfer Analysis at Golf Course Reservation Service and Golf Goods EC Site. - Kento Hirota; Kohei Otake; Takashi Namatame (HCI (14), 2019)

Analysis of the Characteristics of Customer Defection on a Hair Salon Considering Individual Differences. - Mana Iwata; Kohei Otake; Takashi Namatame (HCI (14), 2019)

Analysis of Characteristics of Golf Course Using User Review at Golf Portal Site. - Mizuki Izawa; Takashi Namatame; Kohei Otake (HCI (14), 2019)

Analysis of Review Text on a Golf Course Reservation Site. - Shin Miyake; Kohei Otake; Takashi Namatame (HCI (13), 2019)

Study on the Relationship Between Loyalty Program and Consumer Behavior on EC Site. - Yusuke Nakasatomi; Takashi Namatame; Kohei Otake (HCI (14), 2019)

Construction of Support System for Demand Driven Design of Cocktail Recipes by Deep Learning. - Soichiro Ota; Kohei Otake; Takashi Namatame (HCI (13), 2019)

Analysis of the Relation Between Price Range, Location and Reputation in Japanese Hotels. - Kohei Otake; Tomofumi Uetake (HCI (35), 2019)

Purchase and Its Sign Analysis from Customer Behaviors Using Deep Convolutional Neural Networks. - Shintaro Saito; Kohei Otake; Takashi Namatame (HCI (14), 2019)

Analysis of the Characteristic Behavior of Loyal Customers on a Golf EC Site. - Yue Su; Kohei Otake; Takashi Namatame (HCI (14), 2019)

Extraction of Product Features from Customer's Perspective Using User Review at the Golf EC Site. - Ryota Takahashi; Takashi Namatame; Kohei Otake (HCI (14), 2019)

Analysis of the Exposing Media Pattern that Affect Accessing Own Website. - Yuho Katagiri; Kohei Otake; Takashi Namatame (HCI (14), 2020)

A Study on the Similarity of Fashion Brands Using Consumer Relationship and Consumer Sense. - Yuzuki Kitajima; Kohei Otake; Takashi Namatame (HCI (15), 2020)

Analysis of Consumer Community Structure and Characteristic Within Social Media. - Shin Miyake; Kohei Otake; Takashi Namatame (HCI (15), 2020)

Comparison of the Purchasing Behavior for Oneself or Other Using Eye Tracking Gaze Data. - Mei Nonaka; Kohei Otake; Takashi Namatame (HCI (15), 2020)

Analysis of Fashion Market Trend Using Advertising Data of Shopping Information Site. - Retsuya Saito; Kohei Otake; Takashi Namatame (HCI (15), 2020)

Prediction for Private Brand Items Purchase Behavior of Hair Salons Using Bayesian Survival Analysis. - Yuho Katagiri; Kohei Otake; Takashi Namatame (HCI (14), 2021)

Analysis of User Relationships on Cooking Recipe Site Using Network Structure. - Yuzuki Kitajima; Kohei Otake; Takashi Namatame (HCI (13), 2021)

Estimation of Consumer Needs Using Review Data in Hotel Industry. - Shin Miyake; Kohei Otake; Tomofumi Uetake; Takashi Namatame (HCI (39), 2021)

Evaluation of Cooking Recipes Using Their Texts and Images. - Mei Nonaka; Kohei Otake; Takashi Namatame (HCI (13), 2021)

Customer Visit Prediction Using Purchase Behavior and Tendency. - Retsuya Saito; Kohei Otake; Takashi Namatame (HCI (14), 2021)

Verification of Probabilistic Latent Semantic Analysis Clustering Solution Stability and Proposal of Optimal Initial Values Setting Method. - Shinnosuke Terasawa; Kohei Otake; Takashi Namatame (HCI (14), 2021)

Analysis of the Relationship Between Food and the Writer's Emotions Using a Meal Diary. - Shoki Eto; Kohei Otake; Takashi Namatame (HCI (14), 2022)

Evaluating Store Features Using Consumer Reviews in Beauty Salons. - Ryo Morooka; Takashi Namatame; Kohei Otake (HCI (15), 2022)

Analysis of Customer Purchasing Behavior in an Electronics Retail Store Using Eye Tracking Data. - Mei Nonaka; Kohei Otake; Takashi Namatame (HCI (39), 2022)

Resale Price Prediction Model for Used Electrical Products Using Deep Neural Network. - Shinnosuke Terasawa; Kohei Otake; Takashi Namatame (HCI (15), 2022)

Clustering and Feature Analysis of Shoes Brands Using Questionnaire Data and Word-of-Mouth Review Data. - Haruki Yamaguchi; Kohei Otake; Takashi Namatame (HCI (15), 2022)

Extraction of Consumer Emotion Using Diary Data on Purchasing Behavior. - Yuzuki Kitajima; Shunta Nakao; Kohei Otake; Takashi Namatame (SAI (1), 2022)

Identification of Evaluation Items in Consumer Reviews Using Natural Language Processing Models with Social Media Information. - Emi Iwanade; Takashi Namatame; Kohei Otake (HCI (15), 2023)

Research on Store Evaluation in the Service Industry Through Analysis of Questionnaire Data on Employee Satisfaction. - Akito Kumazawa; Takashi Namatame; Kohei Otake (HCI (15), 2023)

Causal Inference of Direct Email Advertising Effects Using ID-POS Data of an Electronics Store. - Yujun Ma; Kohei Otake; Takashi Namatame (HCI (15), 2023)

Visualization of Community Structure Using Follower Data on Twitter and Comparison Between Stores. - Ryo Morooka; Takashi Namatame; Kohei Otake (HCI (15), 2023)

Evaluation of Consumer Behavior Focusing on the Change in Flow Line Impacted by Floor Renovation in a Fashion Department Store. - Jin Nakashima; Takashi Namatame; Kohei Otake (HCI (15), 2023)

Evaluating Differences in Consumer Behavior With and Without Planning and Predicting Unplanned Purchases. - Hiromi Tanabe; Kohei Otake; Takashi Namatame (HCI (15), 2023)

Analysis of Loyal Customers Considering Diversity of Customers. - Tomoki Yoshimi; Kohei Otake; Takashi Namatame (HCI (15), 2023)

Relationship Between Consumers' Circumstances and Food Consumption Behavior. - Aina Ishikawa; Takashi Namatame; Kohei Otake (HCI (20), 2024)

Identifying Topics in the Community Related to Women's Fashion Magazines Using the Topic Model. - Emi Iwanade; Kohei Otake (HCI (21), 2024)

Identification of Key Factors to Improve Click-Through Rates Related to Email. - Akito Kumazawa; Takashi Namatame; Kohei Otake (HCI (21), 2024)

Evaluation of Location Detecting Accuracy Using Smart Watch BLE Connection. - Takaaki Mimura; Kohei Otake; Takashi Namatame (HCI (20), 2024)

Identification of Important Products in Electronics Retail Stores Using a Product-To-Product Network. - Jin Nakashima; Takashi Namatame; Kohei Otake (HCI (21), 2024)

Generating Product Descriptions Using Customer Reviews on E-Commerce Sites. - Aina Ishikawa; Joshujio Takanami; Kohei Otake (HCI (21), 2025)