Global convergence of a class of non-interior point algorithms using Chen-Harker-Kanzow-Smale functions for nonlinear complementarity problems. - Keisuke Hotta; Akiko Yoshise (Math. Program., 1999)

A Complexity Analysis of a Smoothing Method Using CHKS-functions for Monotone Linear Complementarity Problems. - Keisuke Hotta; Masatora Inaba; Akiko Yoshise (Comput. Optim. Appl., 2000)

A Complexity Bound of a Predictor-Corrector Smoothing Method Using CHKS-Functions for Monotone LCP. - Keisuke Hotta; Akiko Yoshise (Comput. Optim. Appl., 2002)

Is duplicate code more frequently modified than non-duplicate code in software evolution?: an empirical study on open source software. - Keisuke Hotta; Yukiko Sano; Yoshiki Higo; Shinji Kusumoto (EVOL/IWPSE, 2010)

Preprocessing of Metrics Measurement Based on Simplifying Program Structures. - Yui Sasaki; Tomoya Ishihara; Keisuke Hotta; Hideaki Hata; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (APSEC Workshops, 2012)

Identifying, Tailoring, and Suggesting Form Template Method Refactoring Opportunities with Program Dependence Graph. - Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (CSMR, 2012)

CRat: A refactoring support tool for Form Template Method. - Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (ICPC, 2012)

Filtering clones for individual user based on machine learning analysis. - Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (IWSC, 2012)

Folding Repeated Instructions for Improving Token-Based Code Clone Detection. - Hiroaki Murakami; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (SCAM, 2012)

Inter-Project Functional Clone Detection Toward Building Libraries - An Empirical Study on 13, 000 Projects. - Tomoya Ishihara; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (WCRE, 2012)

An Empirical Study on the Impact of Duplicate Code. - Keisuke Hotta; Yui Sasaki; Yukiko Sano; Yoshiki Higo; Shinji Kusumoto (Adv. Softw. Eng., 2012)

How Much Do Code Repositories Include Peripheral Modifications? - Noa Kusunoki; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (APSEC (2), 2013)

Gapped code clone detection with lightweight source code analysis. - Hiroaki Murakami; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (ICPC, 2013)

Enhancement of CRD-based clone tracking. - Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (IWPSE, 2013)

Reusing reused code. - Tomoya Ishihara; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (WCRE, 2013)

Predicting Next Changes at the Fine-Grained Level. - Hiroaki Murakami; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (APSEC (1), 2014)

Does return null matter? - Shuhei Kimura; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (CSMR-WCRE, 2014)

Clustering Commits for Understanding the Intents of Implementation. - Kenji Yamauchi; Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (ICSME, 2014)

Hey! are you committing tangled changes? - Hiroyuki Kirinuki; Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (ICPC, 2014)

Predicting Risky Clones Based on Machine Learning. - Ayaka Imazato; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (PROFES, 2014)

How Accurate Is Coarse-grained Clone Detection?: Comparision with Fine-grained Detectors. - Keisuke Hotta; Jiachen Yang; Yoshiki Higo; Shinji Kusumoto (Electron. Commun. Eur. Assoc. Softw. Sci. Technol., 2014)

Toward improving graftability on automated program repair. - Soichi Sumi; Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (ICSME, 2015)

Towards purity-guided refactoring in Java. - Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (ICSME, 2015)

Revealing Purity and Side Effects on Functions for Reusing Java Libraries. - Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (ICSR, 2015)

Classification model for code clones based on machine learning. - Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (Empir. Softw. Eng., 2015)

Splitting Commits via Past Code Changes. - Hiroyuki Kirinuki; Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (APSEC, 2016)

Hey! Are you injecting side effect?: A tool for detecting purity changes in java methods. - Naoto Ogura; Jiachen Yang; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (ICPC, 2016)

Generating clone references with less human subjectivity. - Yusuke Yuki; Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (ICPC, 2016)

Toward improving ability to repair bugs automatically: a patch candidate location mechanism using code similarity. - Haruki Yokoyama; Yoshiki Higo; Keisuke Hotta; Takafumi Ohta; Kozo Okano; Shinji Kusumoto (SAC, 2016)

Finding Extract Method Refactoring Opportunities by Analyzing Development History. - Ayaka Imazato; Yoshiki Higo; Keisuke Hotta; Shinji Kusumoto (COMPSAC (1), 2017)

Generating All Patterns of Graph Partitions Within a Disparity Bound. - Jun Kawahara; Takashi Horiyama; Keisuke Hotta; Shin-ichi Minato (WALCOM, 2017)

Phoenix: a tool for automated data-driven synthesis of repairs for static analysis violations. - Hiroaki Yoshida; Rohan Bavishi; Keisuke Hotta; Yusuke Nemoto; Mukul R. Prasad; Shinji Kikuchi (ICSE (Companion Volume), 2020)

Experience Report: How Effective is Automated Program Repair for Industrial Software? - Kunihiro Noda; Yusuke Nemoto; Keisuke Hotta; Hideo Tanida; Shinji Kikuchi (SANER, 2020)