Tetsuji Kuboyama

Profile Information

Affiliation: Professor, Computer Centre / Archival Science, Graduate School of Humanities, Gakushuin University
: Tokyo Denki University

Degree: Ph.D.(University of Tokyo)

Researcher number: 80302660
ORCID ID: https://orcid.org/0000-0003-1590-0231
J-GLOBAL ID: 200901047478411760
researchmap Member ID: 5000102916

External link: https://tk.cc.gakushuin.ac.jp/en/

Research Interests

Research Areas

Research History

Dec, 2019 - Present

Tokyo Denki University
Apr, 2019 - Present

Professor, Archival Science, Graduate School of Humanities, Gakushuin University
Apr, 2013 - Present

Professor, Computer Centre, Gakushuin University
Apr, 2008 - Mar, 2013

Associate Professor, Computer Centre, Gakushuin University
Jul, 2009 - Sep, 2009

Visiting Researcher, Institute of Computer Science and Applied Mathematics, University of Bern
Apr, 1997 - Mar, 2008

Research Associate, Center for Collaborative Research, The University of Tokyo

Education

Apr, 1989 - Mar, 1992

Computer Science, Engineering, Kyushu University

Committee Memberships

Apr, 2018 - Mar, 2022

情報処理学会論文誌：数理モデル化と応用編集委員, 情報処理学会
Apr, 2012 - Mar, 2015

情報処理学会論文誌：数理モデル化と応用編集委員, 情報処理学会
Apr, 2012 - Mar, 2014

人工知能基本問題研究会(SIG-FPAI) 主査, 人工知能学会
Apr, 2010 - Mar, 2012

人工知能基本問題研究会(SIG-FPAI) 主幹事, 人工知能学会
Apr, 2007 - Mar, 2011

情報処理学会論文誌：数理モデル化と応用編集委員, 情報処理学会
Apr, 2008 - Mar, 2010

人工知能基本問題研究会(SIG-FPAI) 幹事, 人工知能学会

Awards

Sep, 2016

Best Paper Award, Breaking Anonymity of Social Network Accounts by Using Coordinated and Extensible Classifiers based on Machine Learning

E. Hashimoto, M. Ichino, T. Kuboyama, I. Echizen, H. Yoshiura
2009

The Best Invited Session Award, Session on Social Network, KES

Tetsuji Kuboyama, Sebastian Rios
2007

研究会優秀賞, 畳み込みカーネルと多項式カーネルの一般化, 人工知能学会

久保山哲二, 申吉浩
2006

優秀プレゼンテーション賞, 共通構造の数え上げによる半構造データカーネルの設計, DEWS

久保山哲二

Papers

125

Fast Filtering for Similarity Search Using Conjunctive Enumeration of Sketches in Order of Hamming Distance.

Naoya Higuchi, Yasunobu Imamura, Vladimir Mic, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

ICPRAM, 499-510, 2024
GaN有機金属気相成長におけるデジタルツイン開発の現状（特集「エピタキシャル成長の量子論における新展開：シミュレーションからデジタルツインへ」）

草場彰, 寒川義裕, 久保山哲二, 新田州吾, 白石賢二, 押山淳

日本結晶成長学会誌, 50(1) 50-1-05, Apr 28, 2023 Peer-reviewed
A Consideration of Psychological Effect of Co-eating Based on Analysis of Conversational Behavior: From Comparison of Affects by Dining Styles

TOKUNAGA Hiroko, KUBOYAMA Tetsuji, KIMURA Atsushi, MUKAWA Naoki

J106-A(3) 104-113, Mar 1, 2023 Peer-reviewed
Analysis on Comments to News Articles by Diversity Analysis

2022 207-212, Dec 2, 2022 Peer-reviewed
Analysis of election manifestos by microclustering

2022 289-294, Dec 2, 2022 Peer-reviewed
Beyond ab initio reaction simulator: An application to GaN metalorganic vapor phase epitaxy

A. Kusaba, S. Nitta, K. Shiraishi, T. Kuboyama, Y. Kangawa

Applied Physics Letters, 121(16), Oct 17, 2022 Peer-reviewed
Exploration of a large-scale reconstructed structure on GaN(0001) surface by Bayesian optimization

A. Kusaba, Y. Kangawa, T. Kuboyama, A. Oshiyama

Applied Physics Letters, 120(2), Jan 10, 2022 Peer-reviewed
A new combination of Hankel and sparsity-promoting dynamic mode decompositions and its application to the prediction of plasma turbulence

Akira Kusaba, Tetsuji Kuboyama, Kilho Shin, Makoto Sasaki, Shigeru Inagaki

Japanese Journal of Applied Physics, 61(SA), Jan, 2022 Peer-reviewed
Nearest-neighbor Search from Large Datasets using Narrow Sketches.

Naoya Higuchi, Yasunobu Imamura, Vladimir Mic, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

ICPRAM, 401-410, 2022 Peer-reviewed
Automated Annotation of Stencil Images using Pre-trained models with Natural and Fractal Images

Yusuke Kyokawa, Tetsuji Kuboyama, Mizuho Kamo, Eisaku Maeda

じんもんこん2021論文集, 2021(2021) 260-267, Dec 4, 2021 Peer-reviewed
Digital Twin on Crystal Growth: A combined approach of AI and Computational Science

Akira Kusaga, Tetsuji Kuboyama, Yoshihiro Kangawa

結晶成長国内会議予稿集(CD-ROM), 50th, 2021 Invited
Random Number Generators in Training of Contextual Neural Networks.

Maciej Huk, Kilho Shin, Tetsuji Kuboyama, Takako Hashimoto

Intelligent Information and Database Systems - 13th Asian Conference(ACIIDS), 12672 LNAI 717-730, 2021 Peer-reviewed
Analyzing temporal patterns of topic diversity using graph clustering

Takako Hashimoto, David Lawrence Shepard, Tetsuji Kuboyama, Kilho Shin, Ryota Kobayashi, Takeaki Uno

The Journal of Supercomputing, 77(5) 4375-4388, Oct 1, 2020 Peer-reviewed
Fast Nearest Neighbor Search with Narrow 16-bit Sketch

13(1) 13-22, Mar 25, 2020 Peer-reviewed
Twitter Topic Progress Visualization using Micro-Clustering

Takako Hashimoto, Akira Kusaba, Dave Shepard, Tetsuji Kuboyama, Kilho Shin, Takeaki Uno

Proceedings of the 9th International Conference on Pattern Recognition Applications and Methods (ICPRAM 2020), 585-592, Feb 22, 2020 Peer-reviewed
A Fast Algorithm for Unsupervised Feature Value Selection

Kilho Shin, Kenta Okumoto, David Shepard, Tetsuji Kuboyama, Takako Hashimoto, Hiroaki Ohshima

Proceedings of the 12th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART, 203-213, Feb, 2020 Peer-reviewed
Sparsity-Promoting Dynamic Mode Decomposition of Plasma Turbulence

Akira Kusaba, Tetsuji Kuboyama, Shigeru Inagaki

Plasma and Fusion Research, 15 1301001:1-1301001:4, Jan 6, 2020 Peer-reviewed
Annealing by Increasing Resampling

Naoya Higuchi, Yasunobu Imamura, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11996 LNCS 71-92, 2020 Peer-reviewed
Unsupervised Clustering based on Feature-value / Instance Transposition Selection.

Akira Kusaba, Takako Hashimoto, Kilho Shin, David Lawrence Shepard, Tetsuji Kuboyama

2020 IEEE Region 10 Conference(TENCON), 2020-November 1192-1197, 2020 Peer-reviewed
Pivot Selection for Narrow Sketches by Optimization Algorithms.

Naoya Higuchi, Yasunobu Imamura, Vladimir Mic, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

Similarity Search and Applications - 13th International Conference(SISAP), 33-46, 2020 Peer-reviewed
Predictive Nonlinear Modeling by Koopman Mode Decomposition.

Akira Kusaba, Kilho Shin, Dave Shepard 0001, Tetsuji Kuboyama

20th International Conference on Data Mining Workshops, 811-819, 2020 Peer-reviewed
Indonesian Gender Equality Survey Analysis Using Feature Selection Based Clustering.

Takako Hashimoto, Kilho Shin, David Lawrence Shepard, Tetsuji Kuboyama

11th International Conference on Awareness Science and Technology(iCAST), 1-6, 2020
Unsupervised Feature Value Selection Based on Explainability.

Kilho Shin, Kenta Okumoto, David Lawrence Shepard, Akira Kusaba, Takako Hashimoto, Jorge Amari, Keisuke Murota, Junnosuke Takai, Tetsuji Kuboyama, Hiroaki Ohshima

Agents and Artificial Intelligence, 12613 LNAI 421-444, 2020 Peer-reviewed
Unsupervised Rumor Detection on Twitter using Topic Homogeneity.

David Lawrence Shepard, Takako Hashimoto, Kilho Shin, Takeaki Uno, Tetsuji Kuboyama

Digital Humanities 2020, 2020 Peer-reviewed
Guest Editorial: Special issue on Discovery Science.

Takuya Kida, Tetsuji Kuboyama, Takeaki Uno, Akihiro Yamamoto

Mach. Learn., 109(6) 1145-1146, 2020
Using Label Information in a Genetic Programming Based Method for Acquiring Block Preserving Outerplanar Graph Patterns with Wildcards

Fumiya Tokuhara, Shiho Okinaga, Tetsuhiro Miyahara, Yusuke Suzuki, Tetsuji Kuboyama, Tomoyuki Uchida

2019 IEEE 11th International Workshop on Computational Intelligence and Applications, IWCIA 2019 - Proceedings, 95-100, Nov 1, 2019
Time Series Electricity Consumption Analysis using Non-negative Matrix Factorization

Akira Kusaba, Tetsuji Kuboyama, Takako Hashimoto

Proceedings of the 10th International Conference on Awareness Science and Technology (iCAST 2019), 1-6, Oct 23, 2019 Peer-reviewed
Annealing by increasing resampling in the unified view of simulated annealing

Yasunobu Imamura, Naoya Higuchi, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods, 173-180, 2019 Peer-reviewed
Fast Filtering for Nearest Neighbor Search by Sketch Enumeration Without Using Matching

Naoya Higuchi, Yasunobu Imamura, Tetsuji Kuboyama, Kouichi Hirata, Takeshi Shinohara

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11919 LNAI 240-252, 2019 Peer-reviewed
Bipartite Edge Correlation Clustering: Finding an Edge Biclique Partition from a Bipartite Graph with Minimum Disagreement.

Mikio Mizukami, Kouichi Hirata, Tetsuji Kuboyama

Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods(ICPRAM), 699-706, 2019
Time Series Topic Transition Based on Micro-Clustering.

Takako Hashimoto, Takeaki Uno, Tetsuji Kuboyama, Kilho Shin, Dave Shepard

IEEE International Conference on Big Data and Smart Computing, BigComp 2019, Kyoto, Japan, February 27 - March 2, 2019, 1-8, 2019 Peer-reviewed
Topic life cycle extraction from big Twitter data based on community detection in bipartite networks

Takako Hashimoto, Hiroshi Okamoto, Tetsuji Kuboyama, Kilho Shin

Proceedings - 2017 IEEE International Conference on Big Data, Big Data 2017, 2018- 2740-2745, Jan 12, 2018 Peer-reviewed
Acquisition of characteristic sets of block preserving outerplanar graph patterns by a two-stage evolutionary learning method for graph pattern sets.

Fumiya Tokuhara, Tetsuhiro Miyahara, Tetsuji Kuboyama, Yusuke Suzuki, Tomoyuki Uchida

IJCIStudies, 7(3/4) 270-288, 2018 Peer-reviewed
Nearest Neighbor Search using Sketches as Quantized Images of Dimension Reduction.

Naoya Higuchi, Yasunobu Imamura, Tetsuji Kuboyama, Kouichi Hirata, Takeshi Shinohara

Proceedings of the 7th International Conference on Pattern Recognition Applications and Methods, ICPRAM 2018, Funchal, Madeira - Portugal, January 16-18, 2018., 356-363, 2018 Peer-reviewed
Aggregative context-aware fitness functions based on feature selection for evolutionary learning of characteristic graph patterns.

Fumiya Tokuhara, Array, Tetsuji Kuboyama, Yusuke Suzuki, Tomoyuki Uchida

Vietnam J. Computer Science, 5(3-4) 229-239, 2018 Peer-reviewed
Acquisition of multiple block preserving outerplanar graph patterns by an evolutionary method for graph pattern sets

Fumiya Tokuhara, Tetsuhiro Miyahara, Tetsuji Kuboyama, Yusuke Suzuki, Tomoyuki Uchida

2017 IEEE 10th International Workshop on Computational Intelligence and Applications, IWCIA 2017 - Proceedings, 2017- 191-197, Dec 13, 2017 Peer-reviewed
sCwc/sLcc: Highly scalable feature selection algorithms

Kilho Shin, Tetsuji Kuboyama, Takako Hashimoto, Dave Shepard

Information (Switzerland), 8(4) 159, Dec 6, 2017 Peer-reviewed
Acquisition of Multiple Graph Structured Patterns by an Evolutionary Method Using Sets of TTSP Graph Patterns as Individuals

Yuuki Yamagata, Tetsuhiro Miyahara, Yusuke Suzuki, Tomoyuki Uchida, Fumiya Tokuhara, Tetsuji Kuboyama

Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017, 459-464, Nov 15, 2017 Peer-reviewed
名前に含まれた情報を社会科学に利用する研究:解説

福元, 健太郎, 久保山, 哲二

学習院大学計算機センター年報, 38 77-78, 2017
Pivot Selection for Dimension Reduction using Annealing by Increasing Resampling.

Yasunobu Imamura, Naoya Higuchi, Tetsuji Kuboyama, Kouichi Hirata, Takeshi Shinohara

Lernen, Wissen, Daten, Analysen (LWDA) Conference Proceedings, Rostock, Germany, September 11-13, 2017., 15, 2017 Peer-reviewed
Multiple alignments of data objects and generalized center star algorithm

Kilho Shin, Tetsuji Kuboyama, Tetsuhiro Miyahara, Kenji Tanaka

Frontiers in Artificial Intelligence and Applications, 299 35-45, 2017 Peer-reviewed
Topic Extraction from Millions of Tweets Based on Community Detection in Bipartite Networks.

Takako Hashimoto, Tetsuji Kuboyama, Hiroshi Okamoto, Kilho Shin

Information Modelling and Knowledge Bases XXIX, 27th International Conference on Information Modelling and Knowledge Bases (EJC 2017), Krabi, Thailand, June 5-9, 2017., 395-408, 2017 Peer-reviewed
Topic extraction on twitter considering author’s role based on bipartite networks

Takako Hashimoto, Tetsuji Kuboyama, Hiroshi Okamoto, Kilho Shin

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10558 239-247, 2017 Peer-reviewed
Missionaries, Politicians, and Boy Bands: Onlooker Behavior on Twitter During the Nepal, Kumamoto, and Ecuador Earthquakes.

David Lawrence Shepard, Takako Hashimoto, Hiroshi Okamoto, Tetsuji Kuboyama, Kilho Shin

Digital Humanities 2017, DH 2017, Conference Abstracts, McGill University & Université de Montréal, Montréal, Canada, August 8-11, 2017, 2017 Peer-reviewed
A Context-Aware Fitness Function Based on Feature Selection for Evolutionary Learning of Characteristic Graph Patterns

Fumiya Tokuhara, Tetsuhiro Miyahara, Tetsuji Kuboyama, Yusuke Suzuki, Tomoyuki Uchida

INTELLIGENT INFORMATION AND DATABASE SYSTEMS, ACIIDS 2017, PT I, 10191 748-757, 2017 Peer-reviewed
Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns by Genetic Programming using Label Information

Fumiya Tokuhara, Tetsuhiro Miyahara, Yusuke Suzuki, Tomoyuki Uchida, Tetsuji Kuboyama

PROCEEDINGS 2016 5TH IIAI INTERNATIONAL CONGRESS ON ADVANCED APPLIED INFORMATICS IIAI-AAI 2016, 203-210, 2016 Peer-reviewed
Fast hilbert sort algorithm without using hilbert indices

Yasunobu Imamura, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9939 259-267, 2016 Peer-reviewed
Topic Extraction Method from Millions of Tweets based on Fast Feature Selection Technique CWC

Takako Hashimoto, Dave Shepard, Tetsuji Kuboyama, Kilho Shin

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON DATA MINING WORKSHOPS (ICDMW), 724-731, 2016 Peer-reviewed
Breaking Anonymity of Social Network Accounts by Using Coordinated and Extensible Classifiers Based on Machine Learning

Eina Hashimoto, Masatsugu Ichino, Tetsuji Kuboyama, Isao Echizen, Hiroshi Yoshiura

SOCIAL MEDIA: THE GOOD, THE BAD, AND THE UGLY, 9844 455-470, 2016 Peer-reviewed
What Do Boy Bands Tell Us About Disasters? The Social Media Response to the Nepal Earthquake.

David Lawrence Shepard, Takako Hashimoto, Tetsuji Kuboyama, Kilho Shin

Digital Humanities 2016, DH 2016, Conference Abstracts, Jagiellonian University & Pedagogical University, Krakow, Poland, July 11-16, 2016, 361-364, 2016 Peer-reviewed
Using Canonical Representations of Block Tree Patterns in Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns

Fumiya Tokuhara, Tetsuhiro Miyahara, Yusuke Suzuki, Tomoyuki Uchida, Tetsuji Kuboyama

2016 IEEE 9TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL INTELLIGENCE AND APPLICATIONS (IWCIA), 93-99, 2016 Peer-reviewed
Central Point Selection in Dimension Reduction Projection Simple-Map with Binary Quantization

Quming Jin, Masaya Nakashima, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE, JSAI-ISAI 2014, 9067 310-316, 2015 Peer-reviewed
Workshop on Graph-Based Algorithms for Big Data and Its Applications (GABA2014)

Yoshinobu Kawahara, Tetsuji Kuboyama, Hiroshi Sakamoto

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE, JSAI-ISAI 2014, 9067 293-295, 2015 Peer-reviewed
High Dimensional Similarity Search with Bundled Query Processing on Hilbert R-Tree.

Yohei Nasu, Naoki Kishikawa, Kei Tashima, Shin Kodama, Yasunobu Imamura, Takeshi Shinohara, Kouichi Hirata, Tetsuji Kuboyama

ICPRAM 2015 - Proceedings of the International Conference on Pattern Recognition Applications and Methods, Volume 1, Lisbon, Portugal, 10-12 January, 2015., 354-359, 2015 Peer-reviewed
Classifying Nucleotide Sequences and their Positions of Influenza A Viruses through Several Kernels.

Issei Hamada, Takaharu Shimada, Daiki Nakata, Kouichi Hirata, Tetsuji Kuboyama

ICPRAM 2015 - Proceedings of the International Conference on Pattern Recognition Applications and Methods, Volume 1, Lisbon, Portugal, 10-12 January, 2015., 342-347, 2015 Peer-reviewed
Event Detection from Millions of Tweets related to the Great East Japan Earthquake using Feature Selection Technique

Takako Hashimoto, Dave Shepard, Tetsuji Kuboyama, Kilho Shin

2015 IEEE International Conference on Data Mining Workshop (ICDMW), 7-12, 2015 Peer-reviewed
Tree PCA for Extracting Dominant Substructures from Labeled Rooted Trees

Tomoya Yamazaki, Akihiro Yamamoto, Tetsuji Kuboyama

DISCOVERY SCIENCE, DS 2015, 9356 316-323, 2015 Peer-reviewed
Super-CWC and Super-LCC: Super Fast Feature Selection Algorithms

Kilho Shin, Tetsuji Kuboyama, Takako Hashimoto, Dave Shepard

PROCEEDINGS 2015 IEEE INTERNATIONAL CONFERENCE ON BIG DATA, 61-67, 2015 Peer-reviewed
Topic Extraction from Millions of Tweets using Singular Value Decomposition and Feature Selection

Takako Hashimoto, Tetsuji Kuboyama, Basabi Chakraborty

2015 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA), 1145-1150, 2015 Peer-reviewed
Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns from Positive and Negative Data using Genetic Programming and Tree Representation of Graph Patterns

Yuto Ouchiyama, Tetsuhiro Miyahara, Yusuke Suzuki, Tomoyuki Uchida, Tetsuji Kuboyama, Fumiya Tokuhara

2015 IEEE 8TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL INTELLIGENCE AND APPLICATIONS (IWCIA) PROCEEDINGS, 95-101, 2015 Peer-reviewed
User behaviour modelling by abstracting low-level window transition logs

Ryohei Saito, Tetsuji Kuboyama, Hiroshi Yasuda

International Journal of Computational Science and Engineering, 11(3) 249-258, 2015 Peer-reviewed
Effects of External Information on Anonymity and Role of Transparency with Example of Social Network De-anonymisation

Haruno Kataoka, Yohei Ogawa, Isao Echizen, Tetsuji Kuboyama, Hiroshi Yoshiura

2014 NINTH INTERNATIONAL CONFERENCE ON AVAILABILITY, RELIABILITY AND SECURITY (ARES), 461-467, 2015 Peer-reviewed
Acquisition of characteristic sets of tree patterns with VLDC's using genetic programming and edit distance

Shohei Nakai, Tetsuhiro Miyahara, Yusuke Suzuki, Tetsuji Kuboyama, Tomoyuki Uchida

2014 IEEE 7th International Workshop on Computational Intelligence and Applications, IWCIA 2014 - Proceedings, 113-118, Dec 16, 2014 Peer-reviewed
Learning of Glycan Motifs Using Genetic Programming and Various Fitness Functions (Selected Papers from The 6th International Conference on Soft Computing and Intelligent Systems and The 13th International Symposium on Advanced Intelligent Systems (SCIS&I

Miyahara Tetsuhiro, Kuboyama Tetsuji

Journal of advanced computational intelligence and intelligent informatics, 18(3) 401-408, May, 2014 Peer-reviewed
TRACTABLE AND INTRACTABLE VARIATIONS OF UNORDERED TREE EDIT DISTANCE

Yoshiyuki Yamamoto, Kouichi Hirata, Tetsuji Kuboyama

INTERNATIONAL JOURNAL OF FOUNDATIONS OF COMPUTER SCIENCE, 25(3) 307-329, Apr, 2014 Peer-reviewed
Temporal awareness of needs after east japan great earthquake using latent semantic analysis

Takako Hashimoto, Basabi Chakraborty, Tetsuji Kuboyama, Yukari Shirota

Frontiers in Artificial Intelligence and Applications, 260 200-212, 2014 Peer-reviewed
A Comprehensive Study of Tree Kernels

Kilho Shin, Tetsuji Kuboyama

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE (JSAI-ISAI 2013), 8417 337-351, 2014 Peer-reviewed
Agreement Subtree Mapping Kernel for Phylogenetic Trees

Issei Hamada, Takaharu Shimada, Daiki Nakata, Kouichi Hirata, Tetsuji Kuboyama

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE (JSAI-ISAI 2013), 8417 321-336, 2014 Peer-reviewed
Mapping Kernels Between Rooted Labeled Trees Beyond Ordered Trees.

Kouichi Hirata, Tetsuji Kuboyama, Takuya Yoshino

New Frontiers in Artificial Intelligence - JSAI-isAI 2014 Workshops, LENLS, JURISIN, and GABA, Kanagawa, Japan, October 27-28, 2014, Revised Selected Papers, 317-330, 2014 Peer-reviewed
Affected People's Needs Detection after the East Japan Great Earthquake - Time Series Analysis using LDA -

Takako Hashimoto, Basabi Chakraborty, Supavadee Aramvith, Tetsuji Kuboyama, Yukari Shirota

2014 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA), 1-6, 2014 Peer-reviewed
Scalable Detection of Frequent Substrings by Grammar-Based Compression

Masaya Nakahara, Shirou Maruyama, Tetsuji Kuboyama, Hiroshi Sakamoto

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, E96D(3) 457-464, Mar, 2013 Peer-reviewed
Topic Detection about the East Japan Great Earthquake based on Emerging Modularity

Takako Hashimoto, Tetsuji Kuboyama, Yukari Shirota

INFORMATION MODELLING AND KNOWLEDGE BASES XXIV, 251 110-+, 2013 Peer-reviewed
Exploring social context from buzz marketing site-Community mapping based on tree edit distance -

Shoichi Higuchi, Tetsuji Kuboyama, Takako Hashimoto, Kouichi Hirata

2013 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2013, 187-192, 2013 Peer-reviewed
Acquisition of characteristic tree patterns with VLDC's by Genetic Programming

Shohei Nakai, Tetsuhiro Miyahara, Tetsuji Kuboyama

Proceedings of the IADIS International Conference Information Systems 2013, IS 2013, 332-336, 2013
Pattern extraction from graphs and beyond

Hiroshi Sakamoto, Tetsuji Kuboyama

Smart Innovation, Systems and Technologies, 24 115-145, 2013 Peer-reviewed
Temporal Awareness of Changes in Afflicted People's Needs after East Japan Great Earthquake

Takako Hashimoto, Tetsuji Kuboyama, Basabi Chakraborty

2013 IEEE INTERNATIONAL CONFERENCE OF IEEE REGION 10 (TENCON), 2013 Peer-reviewed
Acquisition of Characteristic Tree Patterns with VLDC's by Genetic Programming and Edit Distance

Shohei Nakai, Tetsuhiro Miyahara, Tetsuji Kuboyama, Tomoyuki Uchida, Yusuke Suzuki

2013 SECOND IIAI INTERNATIONAL CONFERENCE ON ADVANCED APPLIED INFORMATICS (IIAI-AAI 2013), 147-151, 2013 Peer-reviewed
Clustering of Positions in Nucleotide Sequences by Trim Distance

Takaharu Shimada, Issei Hamada, Kouichi Hirata, Tetsuji Kuboyama, Kouki Yonezawa, Kimihito Ito

2013 SECOND IIAI INTERNATIONAL CONFERENCE ON ADVANCED APPLIED INFORMATICS (IIAI-AAI 2013), 129-134, 2013 Peer-reviewed
Mining twitter data: Discover quasi-truss from bipartite graph

Li, Y., Kuboyama, T., Sakamoto, H.

Frontiers in Artificial Intelligence and Applications, 255 287-295, 2013 Peer-reviewed
On computing tractable variations of unordered tree edit distance with network algorithms

Yoshiyuki Yamamoto, Kouichi Hirata, Tetsuji Kuboyama

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 7258 211-223, 2012 Peer-reviewed
A Concept Model for Solving Bond Mathematics Problems

Yukari Shirota, Takako Hashimoto, Tetsuji Kuboyama

INFORMATION MODELLING AND KNOWLEDGE BASES XXIII, 237 271-286, 2012 Peer-reviewed
Graph-based Consumer Behavior Analysis from Buzz Marketing Sites

Takako Hashimoto, Tetsuji Kuboyama, Yukari Shirota

INFORMATION MODELLING AND KNOWLEDGE BASES XXIII, 237 259-270, 2012 Peer-reviewed
Extracting research communities from bibliographic data

Yushi Nakamura, Toshihiko Horiike, Tetsuji Kuboyama, Hiroshi Sakamoto

International Journal of Knowledge-Based and Intelligent Engineering Systems, 16(1) 25-34, 2012 Peer-reviewed
Dynamic labeling and tree kernels with gap penalties

Kilho Shin, Tetsuji Kuboyama

6TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND INTELLIGENT SYSTEMS, AND THE 13TH INTERNATIONAL SYMPOSIUM ON ADVANCED INTELLIGENT SYSTEMS, 1690-1695, 2012 Peer-reviewed
Acquisition of Glycan Motifs using Genetic Programming and Various Fitness Functions

Tetsuhiro Miyahara, Tetsuji Kuboyama

6TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND INTELLIGENT SYSTEMS, AND THE 13TH INTERNATIONAL SYMPOSIUM ON ADVANCED INTELLIGENT SYSTEMS, 1684-1689, 2012 Peer-reviewed
A Subpath Kernel for Rooted Unordered Trees

Daisuke Kimura, Tetsuji Kuboyama, Tetsuo Shibuya, Hisashi Kashima

ADVANCES IN KNOWLEDGE DISCOVERY AND DATA MINING, PT I, 6634 62-74, 2011 Peer-reviewed
Consumer Behavior Analysis from Buzz Marketing Sites over Time Series Concept Graphs

Tetsuji Kuboyama, Takako Hashimoto, Yukari Shirota

KNOWLEDGE-BASED AND INTELLIGENT INFORMATION AND ENGINEERING SYSTEMS, PT II, 6882 73-83, 2011 Peer-reviewed
Content-based de-anonymisation of tweets

Tomotaka Okuno, Masatsugu Ichino, Tetsuji Kuboyama, Hiroshi Yoshiura

Proceedings - 7th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2011, 53-56, 2011 Peer-reviewed
Mapping kernels for trees.

Kilho Shin, Marco Cuturi, Tetsuji Kuboyama

Proceedings of the 28th International Conference on Machine Learning, ICML 2011, Bellevue, Washington, USA, June 28 - July 2, 2011, 961-968, 2011 Peer-reviewed
Understanding User Behavior through Summarization of Window Transition Logs

Ryohei Saito, Tetsuji Kuboyama, Yuta Yamakawa, Hiroshi Yasuda

DATABASES IN NETWORKED INFORMATION SYSTEMS, 7108 162-+, 2011 Peer-reviewed
Detecting Unexpected Correlation between a Current Topic and Products from Buzz Marketing Sites

Takako Hashimoto, Tetsuji Kuboyama, Yukari Shirota

DATABASES IN NETWORKED INFORMATION SYSTEMS, 7108 147-+, 2011 Peer-reviewed
Scalable Detection of Frequent Substrings by Grammar-Based Compression

Masaya Nakahara, Shirou Maruyama, Tetsuji Kuboyama, Hiroshi Sakamoto

DISCOVERY SCIENCE, 6926 236-+, 2011 Peer-reviewed
Improved MAX SNP-Hard Results for Finding an Edit Distance between Unordered Trees

Kouichi Hirata, Yoshiyuki Yamamoto, Tetsuji Kuboyama

COMBINATORIAL PATTERN MATCHING, 22ND ANNUAL SYMPOSIUM, CPM 2011, 6661 402-415, 2011 Peer-reviewed
Rumor Analysis Framework in Social Media

Takako Hashimoto, Tetsuji Kuboyama, Yukari Shirota

2011 IEEE REGION 10 CONFERENCE TENCON 2011, 133-137, 2011 Peer-reviewed
A Subpath Kernel for Rooted Unordered Trees

Kimura Daisuke, Kuboyama Tetsuji, Shibuya Tetsuo, Kashima Hisashi

Transactions of the Japanese Society for Artificial Intelligence, 26(3) 473-482, 2011
Broom Distance between Rooted Labeled Trees

Tetsuji Kuboyama, Kouichi Hirata

Proc. 7th Workshop on Learning with Logics and Logics for Learning, 34-41, 2011
A Bottom-Up Edit Distance between Rooted Labeled Trees

Yoshiyuki Yamamoto, Kouichi Hirata, Tetsuji Kuboyama

Proc. 7th Workshop on Learning with Logics and Logics for Learning, 26-33, 2011
Discovering Global Propagation for Influenza A Viruses Based on Robinson-Foulds Distance between Phylogenetic Trees

Kazuya Sata, Kouichi Hirata, Kimihito Ito, Tetsuji Kuboyama

Annual International Conference on BioInformatics and Computational Biology (BICB 2011), 2011
Predicting Mutation Trend of Influenza A Virus through Dimensionality Reduction in Hamming Metric on HA Amino Acid Sequences

Tetsuji Kuboyama, Kimihito Ito, Kouichi Hirata, Hiroshi Sakamoto

Annual International Conference on BioInformatics and Computational Biology (BICB 2011), 2011
A Generalization of Haussler's Convolution Kernel-Mapping Kernel and Its Application to Tree Kernels

Kilho Shin, Tetsuji Kuboyama

JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY, 25(5) 1040-1054, Sep, 2010 Peer-reviewed

Misc.

131

スケッチを用いた検索における2段階フィルタリングの有効性の検証

樋口直哉, 今村安伸, 篠原武, 平田耕一, 久保山哲二

人工知能学会研究会資料人工知能基本問題研究会, 123 24-29, Jan 5, 2023
How Conversational Behavior is Affected by Dining Styles

徳永弘子, 久保山哲二, 木村敦, 武川直樹

電子情報通信学会技術研究報告(Web), 121(363(HCS2021 43-60)) 43-48, 2022
Evolutionary Acquisition of Multiple TTSP Graph Patterns with Wildcards by Clustering TTSP Graphs

KAWASAKI Yuma, MIYAHARA Tetsuihiro, KUBOYAMA Tetsuji, SUZUKI Yusuke, UCHIDA Tomoyuki

Proceedings of the Annual Conference of JSAI, JSAI2021 4G3GS2l01-4G3GS2l01, 2021
Acquisition of Tag Tree Patterns with Vertex Labels and Wildcards by Evolutionary Learning using Label Information

YOKOYAMA Shunsuke, MIYAHARA Tetsuhiro, SUZUKI Yusuke, UCHIDA Tomoyuki, KUBOYAMA Tetsuji

Proceedings of the Annual Conference of JSAI, JSAI2021 4G3GS2l02-4G3GS2l02, 2021
Acquisition of Multiple Block Preserving Outerplanar Graph Patterns with Wildcards by Evolutionary Learning using Label Information

TOKUHARA Fumiya, OKINAGA Shiho, MIYAHARA Tetsuhiro, SUZUKI Yusuke, KUBOYAMA Tetsuji, UCHIDA Tomoyuki

Proceedings of the Annual Conference of JSAI, JSAI2020 1O3GS802-1O3GS802, 2020
A comparative study on sparse mode selection methods in dynamic mode decomposition

KUSABA Akira, KUBOYAMA Tetsuji

JSAI Technical Report, SIG-FPAI, 110 01, Sep 15, 2019
Acquisition of Block Preserving Outerplanar Graph Patterns with Wildcards by Genetic Programming

OKINAGA Shiho, TOKUHARA Fumiya, MIYAHARA Tetsuhiro, SUZUKI Yusuke, KUBOYAMA Tetsuji, UCHIDA Tomoyuki

Proceedings of the Annual Conference of JSAI, JSAI2019 4L3J805-4L3J805, 2019
Bipartite Edge Correlation Clustering and Its Randomized Algorithm

MIZUKAMI Mikio, HIRATA Kouichi, KUMBOYAMA Tetsuji

JSAI Technical Report, SIG-FPAI, 107 05, Jul 30, 2018
Time Series Topic Transition Analysis using Micro-Clusters

HASHIMOTO Takako, UNO Takeaki, KUBOYAMA Tetsuji

JSAI Technical Report, SIG-FPAI, 106 37-42, Mar 16, 2018
<研究報告>幾何学的統計学の可視化教材の作成

白田由香利, Terry Widyani, 橋本隆子, Riri Fitri Sar, 佐倉環, 久保山哲二

学習院大学計算機センター年報, (39) 2-10, 2018
Enumeration of Maximally Frequent Ordered Tree Patterns with Wildcards for Edge Labels

Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Tetsuji Kuboyama

10(2) 59-69, Jul 19, 2017
A Feature Selection Method for Relational Data Based on Modularity

103 89-94, Mar 13, 2017
Analysis of Biclustering Algorithms Assuming Several Types of Cluster Structure

103 67-72, Mar 13, 2017
<研究報告>超高速カテゴリカル特徴選択手法を用いた高次元データの特徴付け

久保山哲二, 磯上貞雄, 城所弘泰, 村上登志男, 申吉浩, 橋本隆子

学習院大学計算機センター年報, (38) 132-133, 2017
<研究報告>フーリエ変換の線形応答理論に基づく株価変動への影響のパターン分析

白田由香利, 久保山哲二, 橋本隆子, 佐倉環, 矢野百合子

学習院大学計算機センター年報, (38) 14-24, 2017
Proposal and Preliminary Evaluation of System That Identifies person who posts on Social Network

30(2) 3-19, Sep, 2016
Application to a big database of similarity calculation using the grammar compression

100 86-89, Mar 27, 2016
Algorithms for Extracting Arbitrarily Shaped Subtrees by Tree PCA

99 63-68, Jan 21, 2016
A Theory of Feature Selection Measures

申吉浩, Angulo Adrian Pino, 久保山哲二

人工知能基本問題研究会, 97 45-47, Mar 22, 2015
Extracting Principal Component from Tree Structure Data

29 1-4, 2015
<研究報告>アジア通貨危機時の経済行動における不確実性の検証：解説

白田由香利, 橋本隆子, 佐倉環, 久保山哲二

学習院大学計算機センター年報, 36 10-16, Jan 1, 2015
Criteria for Feature Selection

久保山哲二, 申吉浩

人工知能基本問題研究会, 94 16-20, Jul 24, 2014
<研究報告>無線LANの利用パターン分析

久保山哲二, 磯上貞雄, 城所弘泰, 村上登志男, 佐藤真

学習院大学計算機センター年報, 35 71-77, Jul 1, 2014
<研究報告>政治における不正の統計的探知 : 解説

福元健太郎, 久保山哲二

学習院大学計算機センター年報, 35 14-17, Jul 1, 2014
A Theory of Feature Selection Measures

申吉浩, 久保山哲二

人工知能基本問題研究会, 93 7-12, Mar 7, 2014
D-20-3 Discriminating User Behavior By Network Analyzing

Suzuki Kazuhiro, Kuboyama Tetsuji, Yasuda Hiroshi

Proceedings of the IEICE General Conference, 2014(2) 187-187, Mar 4, 2014
Feature Selection based on Distribution Distances (特集「機械学習とその周辺情報分野における離散問題と高速アルゴリズム」および一般)

Shin Kilho, Kuboyama Tetsuji

人工知能基本問題研究会, 92 85-88, Jan 30, 2014
A path searching method for the backward elimination feature selection (特集「機械学習と自然言語処理への応用」および一般)

Shin Kilho, Kuboyama Tetsuji

人工知能基本問題研究会, 91 13-18, Nov 28, 2013
Detecting New Concepts in Social Media based on Co-burst Pattern Mining

橋本隆子, Shepard David, 久保山哲二

人工知能基本問題研究会, 91 47-52, Nov 28, 2013
キャンパス内の無線LAN利用動向分析

佐藤真, 村上登志男, 磯上貞雄, 城所弘泰, 久保山哲二

情報処理学会研究報告. IOT, [インターネットと運用技術], 2013(3) 1-5, Jul 25, 2013
Temporal Awareness of Needs after East Japan Great Earthquake based on Latent Semantic Analysis and Pattern Similarity (特集「諸分野における知的情報処理技術の動向」および一般)

Hashimoto Takako, Kuboyama Tetsuji, Chakaborty Basabi

人工知能基本問題研究会, 90 53-58, Jul 18, 2013
<研究報告>インターネット上の口コミサイトにおける化粧品の評判分析

白田由香利, 橋本隆子, 久保山哲二

学習院大学計算機センター年報, 33 2-7, Jul, 2013
<研究報告>学内Web サイトログからの閲覧者の行動分析

久保山哲二, 磯上貞雄, 城所弘泰, 村上登志男

学習院大学計算機センター年報, 33 157-167, Jul, 2013
<研究報告>公共入札データの情報処理 : 解説

福元健太郎, 久保山哲二

学習院大学計算機センター年報, 34 16-22, Jul, 2013
<研究報告>ミルナー不変量計算のための非可換多項式処理

久保山哲二, 安原晃, 磯上貞雄, 城所弘泰, 村上登志男

学習院大学計算機センター年報, 34 97-100, Jul, 2013
<研究報告>ミルナー不変量計算のための非可換多項式処理

久保山哲二, 安原晃, 磯上貞雄, 城所弘泰, 村上登志男

学習院大学計算機センター年報, 34 97-100, Jul, 2013
D-9-48 An Analysis of PC Operation Logs by Functionality Clustering of Networks

Suzuki Kazuhiro, Tetsuji Kuboyama, Yasuda Hiroshi

Proceedings of the IEICE General Conference, 2013(1) 146-146, Mar 5, 2013
Keyword extraction using fast feature selection algorithm CWC

猪口紗貴, 久保山哲二, 申吉浩

人工知能基本問題研究会, 89 49-54, Feb 28, 2013
An Analysis of PC Operation Logs by Functionality Clustering of Networks

鈴木一寛, 久保山哲二, 安田浩

人工知能基本問題研究会, 89 55-60, Feb 28, 2013
On selection of tree kernels

申吉浩, 久保山哲二

人工知能基本問題研究会, 89 61-66, Feb 28, 2013
A Tool of Analyzing Knot Theory : Automatic Generation of Expression from Handwriting Free Curves

高岡拓真, 久保山哲二, 坂本比呂志

人工知能基本問題研究会, 88 71-75, Jan 24, 2013
A Tool for analyzing Knot Theory : Extraction of Milnor Invariant by Grammar Compression

高畠嘉将, 坂本比呂志, 久保山哲二

人工知能基本問題研究会, 88 77-80, Jan 24, 2013
Feature selection using a reduction to the set cover problem

久保山哲二, 申吉浩

人工知能基本問題研究会, 88 81-84, Jan 24, 2013
Exploring Community Mapping from Buzz Marketing Site

樋口鐘一, 橋本隆子, 久保山哲二

人工知能基本問題研究会, 88 133-138, Jan 24, 2013
A new consistency-based feature selection algorithm (特集「Webと知識連携・統合,発想支援」および一般)

申吉浩, 久保山哲二

人工知能基本問題研究会, 86 1-6, Aug 9, 2012
Layered graph extracted from the large-scale community

松本美玲, 山抱由依, 久保山哲二

人工知能基本問題研究会, 86 67-69, Aug 9, 2012
D-9-23 USER BEHAVIOR ANALYSIS USING ACTIVE WINDOW TRANSITION LOGS

Oshiro Kazuhiro, Kuboyama Tetsuji, Yasuda Hiroshi

Proceedings of the IEICE General Conference, 2012(1) 155-155, Mar 6, 2012
Extracting of PC Usage Patterns from Window Transition Logs using Non-negative Matrix Factorization

齋藤良平, 久保山哲二, 山川裕大

人工知能基本問題研究会, 85 29-34, Feb 2, 2012
Social Media Analysis : Unexpected Consumer Behavior Detection Triggered by a Current Topic

橋本隆子, 久保山哲二, 白田由香利

人工知能基本問題研究会, 85 47-52, Feb 2, 2012
A new consistency-based feature selection algorithm

Kilho Shin, Tetsuji Kuboyama, Haruhiko Nishimura

Mendel, 570-575, Jan 1, 2012
Marketing analysis for Social Media : Detecting Unexpected cunsumer behavior analysis triggered by topical issues

Hashimoto Takako, Kuboyama Tetsuji, Shirota Yukari

Gakushuin economic papers, 48 285-302, Jan, 2012
Clustering of User Behavior Models with Kernel PCA

齋藤良平, 久保山哲二, 山川裕大

人工知能基本問題研究会, 84 1-6, Dec 16, 2011
A Working Pattern Extraction Method From Low Level PC Usage Logs

SAITO Ryohei, KUBOYAMA Tetsuji, YAMAKAWA Yuta, YASUDA Hiroshi

電子情報通信学会技術研究報告. AI, 人工知能と知識処理, 111(310) 13-18, Nov 14, 2011
A Working Pattern Extraction Method From Low Level PC Usage Logs

SAITO Ryohei, KUBOYAMA Tetsuji, YAMAKAWA Yuta, YASUDA Hiroshi

IEICE technical report. Artificial intelligence and knowledge-based processing, 111(310) 13-18, Nov 14, 2011
Extracting task patterns through active window transition logs

齋藤良平, 山川裕大, 久保山哲二

人工知能基本問題研究会, 82 13-18, Aug 4, 2011
Clustering of PC Usage Pattern at Work by PC Operation Logs Analysis

齋藤良平, 山川裕大, 久保山哲二, 安田浩

研究報告グループウェアとネットワークサービス（GN）, 2011(2) 1-5, May 12, 2011
Clustering of PC Usage Pattern at Work by PC Operation Logs Analysis

SAITO Ryohei, YAMAKAWA Yuta, KUBOYAMA Tetsuji, YASUDA Hiroshi

IEICE technical report. Life intelligence and office information systems, 111(50) 9-13, May 12, 2011
D-9-21 User Behavior Analysis through Application Timeline Logs on PCs

Oshiro Kazuhiro, Kuboyama Tetsuji, Yasuda Hiroshi

Proceedings of the IEICE General Conference, 2011(1) 97-97, Feb 28, 2011
D-9-22 Behavior Analysis of Visitors through Web Access Logs

Otsuka Daisuke, Kuboyama Tetsuji, Yasuda Hiroshi

Proceedings of the IEICE General Conference, 2011(1) 98-98, Feb 28, 2011
PC Usage Pattern Analysis through Active Window Transition Logs at Work

SAITO Ryohei, YAMAKAWA Yuta, KUBOYAMA Tetsuji, YASUDA Hiroshi

IEICE technical report. Life intelligence and office information systems, 110(450) 73-78, Feb 24, 2011
A Subpath Kernel for Rooted Unordered Trees

木村大翼, 久保山哲二, 渋谷哲朗, 鹿島久嗣

人工知能学会論文誌(Web), 26(3), 2011
IT活用教育支援業務組織における効果的なデータベースの開発と運用方法の検討

勝野弘康, 鏑木崇史, 山口健二, 久保山哲二, 横山悦郎, 入澤寿美, 坂本孝治郎

学習院大学計算機センター年報, 32 2-13, 2011
電子メールの送受信ログによる学内コミュニケーション構造の定性的分析

久保山哲二, 磯上貞雄, 城所弘泰, 村上登志男

学習院大学計算機センター年報, 32 140-146, 2011
海外派遣報告書(4件)

入澤寿美, 久保山哲二, 勝野弘康, 鏑木崇史

学習院大学計算機センター年報, 32 185-189, 2011
Graphical Teaching Materials Database for Financial Mathematics : Bond Mathematics by Graphics

Shirota Yukari, Hashimoto Takako, Kuboyama Tetsuji

Gakushuin economic papers, 47(4) 263-280, Jan, 2011
Content-based de-anonymisation of tweets

Tomotaka Okuno, Masatsugu Ichino, Tetsuji Kuboyama, Hiroshi Yoshiura

Proceedings - 7th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2011, 2011(2) 53-56, 2011
学習管理システムによる自己学習型マルチメディア教育支援体制

坂本孝治郎, 入澤寿美, 横山悦郎, 久保山哲二, 勝野弘康, 佐藤友彦, 海老澤賢史, 浦上大輔

学習院大学計算機センター年報, 31 2-11, Dec, 2010
文字列の高速類似度計算・検索のための要素技術について─ 系列分割手法─

磯上貞雄, 城所引泰, 村上登志男, 久保山哲二

学習院大学計算機センター年報, 31 123-128, Dec, 2010
長時間過分極時のニューロン電位の揺らぎの時系列解析と脳の情報処理における機能的意義

太田宏之, 浦上大輔, 高橋達二, 久保山哲二, 西田育弘

学習院大学計算機センター年報, 31 129-132, Dec, 2010
海外派遣報告書(3件)

久保山哲二

学習院大学計算機センター年報, 31 171-172, Dec, 2010
On MAX SNP-hard results for unordered tree edit distance (特集「ベイジアン・ネットワーク」および一般)

平田耕一, 山本恭之, 久保山哲二

人工知能基本問題研究会, 80 33-38, Nov 17, 2010
Teaching Discrete Probability for Management Studens : Obstacles and Directions

Shirota Yukari, Kuboyama Tetsuji

Gakushuin economic papers, 47(3) 151-161, Oct, 2010
Partition-free kernels with variation 1 and 2

申吉浩, 久保山哲二

人工知能基本問題研究会, 79 35-39, Sep 24, 2010
Predicting continuous variations of influenza virus genes using a new coding of amino acids

久保山哲二, 申吉浩, 伊藤公人

人工知能基本問題研究会, 78 1-7, Jul 31, 2010
Proposal of Knowledge Database Construction for Mathematical Finance

白田由香利, 橋本隆子, 久保山哲二

研究報告情報基礎とアクセス技術（IFAT）, 2010(5) 1-6, Jul 28, 2010
Proposal of Knowledge Database Construction for Mathematical Finance

SHIROTA Yukari, HASHIMOTO Takako, KUBOYAMA Tetsuji

研究報告データベースシステム（DBS）, 2010(5) 1-6, Jul 28, 2010
Evolution of multiple tree structured patterns using soft clustering (特集「知識発見の生命科学への応用」および一般)

吉田健吾, 宮原哲浩, 久保山哲二

人工知能基本問題研究会, 77 49-54, Mar 17, 2010
Analysis of influenza virus genes using dimensionality reduction of hamming distance space

久保山哲二, 伊藤公人

人工知能基本問題研究会, 77 91-95, Mar 17, 2010
多様化する情報・マルチメディア機器を用いた教育・研究に対する効率的な支援体制の検討

坂本孝治郎, 海老沢賢史, 佐藤友彦, 浦上大輔, 久保山哲二, 横山悦郎, 入澤寿美

学習院大学計算機センター年報, 30 2-16, Dec, 2009
特許の質の機械学習からのアプローチ : 特許の法的有効性判定のための特徴抽出の試み

永田健一郎, 久保山哲二

学習院大学計算機センター年報, 30 110-117, Dec, 2009
海外出張報告

久保山哲二

学習院大学計算機センター年報, 30 158-160, Dec, 2009
学会報告「人工知能学会第73回人工知能学会基本問題研究会」

久保山哲二

学習院大学計算機センター年報, 30 163-166, Dec, 2009
Evolution of multiple tree structured patterns using clustering (特集「大規模データからの機械学習と自然言語処理への応用」および一般)

長嶺将俊, 宮原哲浩, 久保山哲二

人工知能基本問題研究会, 73 35-40, Mar 13, 2009
木カーネルの構成のためのフレームワークとサーベイ (特集「大規模データからの機械学習と自然言語処理への応用」および一般)

申吉浩, 久保山哲二

人工知能基本問題研究会, 73 41-48, Mar 13, 2009
A study on the factors correlated to the validity of a patent

Nagata Kentaro, Kuboyama Tetsuji

IPSJ SIG Notes, 2009(11) 31-38, Feb 6, 2009
A generalization of Haussler's convolution kernel mapping kernel

Kilho Shin, Tetsuji Kuboyama

Transactions of the Japanese Society for Artificial Intelligence, 24(2) 263-271, 2009
Approximating tree edit distance through string edit distance for binary tree codes

荒津拓, 平田耕一, 久保山哲二

人工知能基本問題研究会, 71 57-62, Sep 17, 2008
Generalizations of convolution and polynomial kernels

久保山哲二, 申吉浩

人工知能基本問題研究会, 66 41-46, Jul 13, 2007
SVM-based Emotion Extraction from Moblog Text

EMURA Koichi, YASUGI Maokoto, MIYAZAKI Seiya, KUBOYAMA Tetsuji, AOKI Terumasa, YASUDA Hiroshi

Technical report of IEICE. KBSE, 106(473) 61-66, Jan 16, 2007
MODELING THE USER IN 3D CHARACTER ANIMATION AUTHORING(International Workshop on Advanced Image Technology 2007)

Emura Koichi, Kuboyama Tetsuji, Aoki Terumasa, Yasuda Hiroshi

IEICE technical report. Image engineering, 106(448) 101-106, Jan 2, 2007
A Spectrum Tree Kernel

Kuboyama Tetsuji, Hirata Kouichi, Kashima Hisashi, Aoki-Kinoshita Kiyoko F, Yasuda Hiroshi

IMT, 2(1) 292-299, 2007
根付き無順序木のフィルタリング (テーマ:特集「ウェブデータの知的処理」および一般)

大倉暢仁, 平田耕一, 久保山哲二

人工知能基本問題研究会, 63 19-24, Sep 8, 2006
The Gram Distribution Kernel: A Tree Kernel for Glycan Classification (テーマ:特集「ウェブデータの知的処理」および一般)

Kuboyama Tetsuji, Hirata Koichi, Kashima Hisashi

人工知能基本問題研究会, 63 71-76, Sep 8, 2006
An Efficient Alignability Decision Algorithm for Unordered Trees

KUBOYAMA Tetsuji, SHIN Kilho

IEICE technical report. Theoretical foundations of Computing, 106(29) 49-56, Apr 19, 2006
A MODEL FOR MISMATCH RESOLUTION OF WEB PAGES(International Workshop on Advanced Image Technology 2006)

SONG Kwanghyun, SHIN Kilho, KUBOYAMA Tetsuji, TAGUCHI Akinori, AOKI Terumasa, YASUDA Hiroshi

IEICE technical report. Image engineering, 105(500) 145-148, Jan 2, 2006
A Theoretical Analysis of Tree Edit Distance Measures

Kuboyama Tetsuji, Shin Kilho, Miyahara Tetsuhiro

IMT, 1(1) 242-256, 2006
A Gram Distribution Kernel Applied to Glycan Classification and Motif Extraction

Kuboyama Tetsuji, Hirata Kouichi, Aoki(Kinoshita, Kiyoko F, Kashima Hisashi, Yasuda Hiroshi

GI, 17(2) 25-34, 2006
Filtering for labeled rooted unordered trees

Ohkura Nobuhito, Hirata Kouichi, Kuboyama Tetsuji, Harao Masateru

Record of JCEEE in Kyushu, 2006 506-506, 2006
A Moderation Model for the Mismatch Problem of Web Contents

SONG Kwanghyun, SHIN Kilho, KUBOYAMA Tetsuji, TAGUCHI Akinori, AOKI Terumasa, YASUDA Hiroshi

Technical report of IEICE. ISEC, 105(484) 17-21, Dec 9, 2005
根付き順序木のグラム分散 (テーマ:特集「シンボルグラウンディング問題」および一般)

大倉暢仁, 平田耕一, 久保山哲二

人工知能基本問題研究会, 61 51-56, Nov 24, 2005

Teaching Experience

Apr, 2023 - Present

Concepts of Computing (Waseda University)
Oct, 2022 - Present

Intermediate Python Programming (Gakushuin University)
Apr, 2022 - Present

Digital Archives (Gakushuin University)
Apr, 2022 - Present

Introduction to Computer Science (Gakushuin University)
Apr, 2022 - Present

Introduction to Information Theory (Gakushuin University)
Apr, 2022 - Present

Introduction to Artificial Intelligence (Gakushuin University)
2022 - Present

AIの諸問題 (九州工業大学大学院)
2018 - Present

Archival Information Systems (Long-term Course at Archives College) (National Institute of Japanese Literature)
情報数理解析入門[12] (学習院大学)
数学基礎論 (東京学芸大学(非常勤))
情報数理II (東京学芸大学(非常勤))
数学と情報処理 (東京学芸大学(非常勤))
離散データ構造間の類似度設計と機械学習への応用 (東京工業大学(非常勤))
情報処理[12][AB] (学習院大学)
初等情報処理[12] (学習院大学)

Professional Memberships

Research Projects

Exploration of Crystal Surface Structures through Enumeration of Discrete Structures on an Infinite Plane and Similarity Design

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2028
グラフ構造パターンにより可視化された説明可能なグラフ構造化知識の獲得システム

科学研究費助成事業基盤研究(C), 基盤研究(C), 日本学術振興会, Apr, 2022 - Mar, 2026

宮原哲浩, 内田智之, 久保山哲二, 廣渡栄寿
A Method for Analyzing Collective Behavior Based on Structuring Topics on Large-Scale SNS

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2026
New Problem Formulation on Next Generation Informatics and Researches on thier Algorithms

Grants-in-Aid for Scientific Research Grant-in-Aid for Transformative Research Areas (A), Grant-in-Aid for Transformative Research Areas (A), Japan Society for the Promotion of Science, Nov, 2020 - Mar, 2025
自然言語処理技術を用いた日英仏議会テキスト解析による国会の特質・変則性の解明

科学研究費助成事業挑戦的研究(開拓), 挑戦的研究(開拓), 日本学術振興会, Jul, 2020 - Mar, 2024

野中尚人, 久保山哲二, 狩野芳伸, 三輪洋文
Efficient Text Big Data Mining Technology via Structure Extraction

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2024
Figure and ground approaches for scalable biclustering and their applications

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2023
Topic Transition Analysis from Millions of Tweets After Severe Disasters

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021
Construction of Machine Learning Computing Base and Creation of Remarkable Contributions in Multiple Research Fields

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2021

Shin Kilho
Properties of Weakly Closed Itemsets and their Application to Knowledge Discovery

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Yamamoto Akihiro
Foundations of knowledge synthesis based on selection of concept and creation of pivots for high-dimensional feature space

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2020

Hirata Kouichi
Discovery of Deep Knowledge from Graph-Structured Data using Expressive Graph-Structured Patterns

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

MIYAHARA Tetsuhiro
Time Series Topic Extraction from Millions of Tweets after the East Japan Great Earthquake Considering Author's Role

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

HASHIMOTO TAKAKO
Systematic studies on de-anonymization attacks and their countermeasures

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2018

Yoshiura Hiroshi
Knowledge Discovery Methods based on Closed Set Construction for Data with Attributes Whose Values are from Ordered Sets

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

Yamamoto Akihiro, AVIS David, KOBAYASHI Yasuaki, IKEDA Madori, OTAKI Keisuke, KARIYAMA Kazuaki, YAMAZAKI Tomoya, NISHIMURA Shoichi
Finding new mathematical knot theory using data compression

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

Sakamoto Hiroshi
The theory of filter based feature selection and high-performance algorithms

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2014 - 2016

Kuboyama Tetsuji
Compressed Mining: exposing hidden knowledge in large-scale data

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A), Grant-in-Aid for Young Scientists (A), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2015

SAKAMOTO Hiroshi, KUBOYAMA Tetsuji
Foundations of knowledge discovery based on embedding and dimension reduction in high-dimensional feature space

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2012 - 2015

Hirata Kouchi, SHINOHARA Takeshi, KUBOYAMA Tetsuji
Reputation Analysis related to the East Japan Great Earthquake by Cross Media Analysis

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2012 - 2014

HASHIMOTO Takako, SHIROTA Yukari, KUBOYAMA Tetsuji, CHAKRABORTY Basabi
A study on positive-definite and efficient kernels for structured data

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2011 - 2013

SHIN Yoshihiro, OKAMOTO Hiroshi, ARIMURA Hiroki, SAKAMOTO Hiroshi, KUBOYAMA Tetsuji, CUTURI Marco
Can data compression algorithm do abstraction?

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, 2011 - 2013

SAKAMOTO Hiroshi, KUBOYAMA Tetsuji
Analyzing bids on public projects based on knowledge discovery from discrete data structures

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2011 - 2013

KUBOYAMA Tetsuji, FUKUMOTO Kentaro
Effective Discovery of Hidden Structured Knowledge using Data Mining and Machine Learning

Grants-in-Aid for Scientific Research(基盤研究(C)), 基盤研究(C), Ministry of Education, Culture, Sports, Science and Technology, 2010 - 2012

Tetsuhiro MIYAHARA, Tomoyuki UCHIDA, Eiju HIROWATARI, Tetsuji KUBOYAMA
Design of the fast computable similarities for tree-structured data and their extension to several discrete structures

Grants-in-Aid for Scientific Research(基盤研究(C)), 基盤研究(C), Ministry of Education, Culture, Sports, Science and Technology, 2009 - 2011

Kouichi HIRATA, Tetsuji KUBOYAMA
Designing similarity measures for discrete data structures, and their applications to machine learning

Grants-in-Aid for Scientific Research(基盤研究(C)), 基盤研究(C), Ministry of Education, Culture, Sports, Science and Technology, 2008 - 2010

Tetsuji KUBOYAMA
Information Fusion from Semi-structured Data using Data Mining and Machine Learning

Grants-in-Aid for Scientific Research(基盤研究(C)), 基盤研究(C), Ministry of Education, Culture, Sports, Science and Technology, 2007 - 2009

Tetsuhiro MIYAHARA, 廣渡栄寿, Tomoyuki UCHIDA, Tetsuji KUBOYAMA, Eiju HIROWATARI
木の編集距離による近似パタン発見と半構造データからの情報抽出

科学研究費補助金(若手研究(B)), 若手研究(B), 文部科学省, 2005 - 2007

久保山哲二
機械学習手法による半構造データマイニングと情報抽出

科学研究費補助金(特定領域研究), 特定領域研究, 文部科学省, 2004 - 2005

宮原哲浩, 内田智之, 平田耕一, 久保山哲二
Discovery Knowledge and Data Mining from Structured Data

Grants-in-Aid for Scientific Research(基盤研究(C)), 基盤研究(C), Ministry of Education, Culture, Sports, Science and Technology, 2001 - 2003

Tetsuhiro MIYAHARA, Tetsuji KUBOYAMA, Takayoshi SHOUDAI, Tomoyuki UCHIDA
離散構造のパターン照合・機械学習

2003
情報セキュリティ

2002
Pattern Matching between discrete structures, Machine Learning

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