List of Publications

Peer Reviewed Academic Papers

• Tsunenori Ishioka: ``Imputation of Missing Values for Unsupervised Data Using the Proximity in Random Forests,'' eLmL 2013 : The Fifth International Conference on Mobile, Hybrid, and On-line Learning, pp.30-36, 2013. pdf
• Tsunenori Ishioka: ``Imputation of Missing Values for Semi-supervised Data Using the Proximity in Random Forests,'' iiWAS 2012, pp.319-322, 2012. pdf
• Tsunenori Ishioka: Ascertaining and graphically representing the logical structure of Japanese essays, International Journal of Continuing Engineering Education and Life-Long Learning (IJCEELL) Volume 21, Issue 4, 276--288, 2011. pdf
• Tsunenori Ishioka: ``Latest Trends in Automated Essay-Scoring Systems,'' The Japanese Journal of Behaviormetrics, Vol.31, No.2(61), 67-88, 2005.
• Tsunenori Ishioka & Masayuki Kameda: ``Automated Japanese Essay Scoring System --- Jess,'' Japanese Society of Computational Statistics, Vol.16, No.1, 3-18, 2003.
• Tsunenori Ishioka: ``Evaluation of Criteria on the Information Retrieval,'' Transaction of The Institute of Electronics Information and Communication Engineers, D-1, No.5, 2003.
• Tsunenori Ishioka: ``Extended K-means with an Efficient Estimation of the number of Clusters,'' Japanese Journal of Applied Statistics, Vol.29, No.3, 141-149, 2000.
• Tsunenori Ishioka & Masayuki Kameda: ``Documents retrieval based on words' cooccurrences, the algorithm and its application,'' Japanese Journal of Applied Statistics, Vol.28, No.2, 107-122, 1999.
• Tsunenori Ishioka: ``A LaTeX Style Macro for Japanese Journal of Applied Statistics, '' Japanese Journal of Applied Statistics, Vol.26, No.1, 17-23, 1997.
• Tsunenori Ishioka: ``Polygamma Functions Subroutine Programmed in C and Fortran 77,'' Japanese Journal of Applied Statistics, Vol.22, No.1, 23-37, 1993.
• Tsunenori Ishioka & Yasuo Nonaka: ``Maximum Entropy Distribution Based on Incomplete Lifetime Data,'' Journal of the Japanese Society for Quality Control, 22, [1], 13--25, 1992.
• Tsunenori Ishioka & Yasuo Nonaka: ``Maximum likelihood estimation of Weibull parameters for two independent competing risks,'' IEEE Trans. on Reliability , R-40[1], 71-74, 1991.
• Tsunenori Ishioka & Yasuo Nonaka: ``Modified Maximum Likelihood Estimation of Three-parameter Weibull Distribution,'' Journal of the Japanese Society for Quality Control, 21, [4], 330-337, 1991.
• Tsunenori Ishioka: ``A Proposal of Biases Correction of the Maximum Likelihood Estimators using Multi Censoring Lifetime under the Weibull Distribution,'' Transaction of IEICE (The Institute of Electronics, Information and Communication Engineers)-A, J 73-A, [7], 1255--1260, 1990.
• Tsunenori Ishioka: ``Weibull Random Variate Generation using the Ratio of Uniform Deviates,'' Journal of the Japanese Society for Quality Control, 20, [2], 11--13, 1990.
• Tsunenori Ishioka & Yasuo Nonaka: ``Investigation on the Existence of the Weibull Location Parameter by Applying Akaike's Information Criterion,'' Journal of the Japanese Society for Simulation Technology, 9, [3], 257--262, 1990.

Peer Reviewed International Conference

• Tsunenori Ishioka, Masayuki Kameda. Automated Japanese Essay Scoring System based on Professional Writings, Joint Meeting of 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis, 679-688. 2008.
• Hideki Nagatsuka, Toshinari Kamakura, Tsunenori Ishioka. A Simple and Accurate Estimation of Ordered Means of Exponential Distributions Using Bayesian Approach, Joint Meeting of 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis, 1212-1220. 2008.
• Ishioka,T. & Kameda,M.: ``Automated Japanese Essay Scoring System based on Articles Written by Experts," Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics, Sydney Australia, Association for Computational Linguistics, July, pp.233-240, 2006. pdf
• Ishioka,T.: ``An Expansion of X-means for Automatically Determining the Optimal Number of Clusters," The IASTED International Conference on Computational Intelligence (CI 2005), Calgary Canada, July 4-6, pp.91-96, 2005. pdf
• Tsunenori Ishioka & Masayuki Kameda: ``Automated Japanese Essay Scoring System : Jess," DEXA 2004 (15th International Conference on Database and Expert Systems Applications), Zaragoza Spain, Aug.30-Sep.3, pp.4-8, (2004).
• Tsunenori Ishioka: ``Evaluation of Criteria for Information Retrieval," IEEE/WIC International Conference on Web Intelligence (WI 2003), Sponsored by IEEE Computer Society and Web Intelligence Consortium, Oct. 13-17, Halifax, Canada, pp.425-431, 2003. ps, pdf
• Tsunenori Ishioka: ``Text Segmentation by Latent Semantic Indexing,'' New Development in Psychometrics, Proceedings of the International Meeting of the Psychometric Society IMPS-2001, Springer-Verlag Tokyo, pp.689-696, 2002. ps, pdf
• Tsunenori Ishioka: ``Extended K-means with an Efficient Estimation of the number of Clusters,'' Intelligent Data Engineering and Automated Learning --- IDEAL 2000, Second International Conference, Shatin, N.T., Hong Kong, China, December 2000, proceedings 17--22.
  (Lecture Notes in Computer Science 1983, Kwong Sak Leung, Lai-Wan Chan, Helen Meng (Eds.), Springer, 17--22, 2000) ps, pdf
• Tsunenori Ishioka & Yasuo Nonaka: ``Maximum Likelihood Estimation of Weibull Parameters When a Failure is Suppressed by Unknown Effect,'' International Symposium on Reliability and Maintainability 1990-Tokyo, proceedings 260--263, 1990.

Proceedings

• Tsunenori Ishioka, Masayuki Nojima, and Tsuyoshi Ishikawa: ``Grading Pursuit System --- Statistical analysis among students' high-school record, entrance examination and university class ---,'' Information Processing Society of Japan Special Interest Groups: the 37th ``Computers in Education'' and the 4th ``Mathematical Modeling and Problem Solving,'' 37--42, 1995.
• Tsunenori Ishioka: ``Three Dimensional Likelihood Display of three-parameter Weibull Distribution,'' Journal of Reliability 16, [4], 75--78, 1994.
• Tsunenori Ishioka, Yuji Hashimoto, and Yasuo Nonaka: ``Maximum Likelihood Estimation of Weibull Parameters in a Renewal Process Based on Remaining Life from a Specified Time,'' the 22-th Symposium on Reliability and Maintainability, 227--232, 1992.
• Tsunenori Ishioka: ``A Test of Fitness for Software Reliability Growth Curve considering the ordered variable's variance,'' Information Processing Society of Japan , Software Engineering, 53-4, 1--8, 1987.
• Tsunenori Ishioka: ``Estimation of software reliability parameters for two independent competing risks model,'' Information Processing Society of Japan , the 35th Annual Convention, 1091--1092, 1987.

Book Chapters

• A Handbook of Reliability, JUSE Press Ltd., April in 1997. (Awarded Nikkei-Literature Prize for Quality Control)

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