久保山 哲二

Topic Extraction Method from Millions of Tweets based on Fast Feature Selection Technique CWC

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON DATA MINING WORKSHOPS (ICDMW) 724-731 2016年  査読有り

Breaking Anonymity of Social Network Accounts by Using Coordinated and Extensible Classifiers Based on Machine Learning

SOCIAL MEDIA: THE GOOD, THE BAD, AND THE UGLY 9844 455-470 2016年  査読有り

What Do Boy Bands Tell Us About Disasters? The Social Media Response to the Nepal Earthquake.

Digital Humanities 2016, DH 2016, Conference Abstracts, Jagiellonian University & Pedagogical University, Krakow, Poland, July 11-16, 2016 361-364 2016年  査読有り

Using Canonical Representations of Block Tree Patterns in Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns

2016 IEEE 9TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL INTELLIGENCE AND APPLICATIONS (IWCIA) 93-99 2016年  査読有り

Central Point Selection in Dimension Reduction Projection Simple-Map with Binary Quantization

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE, JSAI-ISAI 2014 9067 310-316 2015年  査読有り

Workshop on Graph-Based Algorithms for Big Data and Its Applications (GABA2014)

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE, JSAI-ISAI 2014 9067 293-295 2015年  査読有り

High Dimensional Similarity Search with Bundled Query Processing on Hilbert R-Tree.

ICPRAM 2015 - Proceedings of the International Conference on Pattern Recognition Applications and Methods, Volume 1, Lisbon, Portugal, 10-12 January, 2015. 354-359 2015年  査読有り

Classifying Nucleotide Sequences and their Positions of Influenza A Viruses through Several Kernels.

ICPRAM 2015 - Proceedings of the International Conference on Pattern Recognition Applications and Methods, Volume 1, Lisbon, Portugal, 10-12 January, 2015. 342-347 2015年  査読有り

Event Detection from Millions of Tweets related to the Great East Japan Earthquake using Feature Selection Technique

2015 IEEE International Conference on Data Mining Workshop (ICDMW) 7-12 2015年  査読有り

Tree PCA for Extracting Dominant Substructures from Labeled Rooted Trees

DISCOVERY SCIENCE, DS 2015 9356 316-323 2015年  査読有り

Super-CWC and Super-LCC: Super Fast Feature Selection Algorithms

PROCEEDINGS 2015 IEEE INTERNATIONAL CONFERENCE ON BIG DATA 61-67 2015年  査読有り

Topic Extraction from Millions of Tweets using Singular Value Decomposition and Feature Selection

2015 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA) 1145-1150 2015年  査読有り

Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns from Positive and Negative Data using Genetic Programming and Tree Representation of Graph Patterns

2015 IEEE 8TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL INTELLIGENCE AND APPLICATIONS (IWCIA) PROCEEDINGS 95-101 2015年  査読有り

User behaviour modelling by abstracting low-level window transition logs

International Journal of Computational Science and Engineering 11(3) 249-258 2015年  査読有り

Effects of External Information on Anonymity and Role of Transparency with Example of Social Network De-anonymisation

2014 NINTH INTERNATIONAL CONFERENCE ON AVAILABILITY, RELIABILITY AND SECURITY (ARES) 461-467 2015年  査読有り

Acquisition of characteristic sets of tree patterns with VLDC's using genetic programming and edit distance

2014 IEEE 7th International Workshop on Computational Intelligence and Applications, IWCIA 2014 - Proceedings 113-118 2014年12月16日  査読有り

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

Journal of advanced computational intelligence and intelligent informatics 18(3) 401-408 2014年5月  査読有り

TRACTABLE AND INTRACTABLE VARIATIONS OF UNORDERED TREE EDIT DISTANCE

INTERNATIONAL JOURNAL OF FOUNDATIONS OF COMPUTER SCIENCE 25(3) 307-329 2014年4月  査読有り

Temporal awareness of needs after east japan great earthquake using latent semantic analysis

Frontiers in Artificial Intelligence and Applications 260 200-212 2014年  査読有り

A Comprehensive Study of Tree Kernels

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE (JSAI-ISAI 2013) 8417 337-351 2014年  査読有り

Agreement Subtree Mapping Kernel for Phylogenetic Trees

NEW FRONTIERS IN ARTIFICIAL INTELLIGENCE (JSAI-ISAI 2013) 8417 321-336 2014年  査読有り

Mapping Kernels Between Rooted Labeled Trees Beyond Ordered Trees.

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年  査読有り

Affected People's Needs Detection after the East Japan Great Earthquake - Time Series Analysis using LDA -

2014 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA) 1-6 2014年  査読有り

Scalable Detection of Frequent Substrings by Grammar-Based Compression

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS E96D(3) 457-464 2013年3月  査読有り

Topic Detection about the East Japan Great Earthquake based on Emerging Modularity

INFORMATION MODELLING AND KNOWLEDGE BASES XXIV 251 110-+ 2013年  査読有り

Exploring social context from buzz marketing site-Community mapping based on tree edit distance -

2013 IEEE International Conference on Pervasive Computing and Communications Workshops, PerCom Workshops 2013 187-192 2013年  査読有り

Acquisition of characteristic tree patterns with VLDC's by Genetic Programming

Proceedings of the IADIS International Conference Information Systems 2013, IS 2013 332-336 2013年  

Pattern extraction from graphs and beyond

Smart Innovation, Systems and Technologies 24 115-145 2013年  査読有り

Temporal Awareness of Changes in Afflicted People's Needs after East Japan Great Earthquake

2013 IEEE INTERNATIONAL CONFERENCE OF IEEE REGION 10 (TENCON) 2013年  査読有り

Acquisition of Characteristic Tree Patterns with VLDC's by Genetic Programming and Edit Distance

2013 SECOND IIAI INTERNATIONAL CONFERENCE ON ADVANCED APPLIED INFORMATICS (IIAI-AAI 2013) 147-151 2013年  査読有り

Clustering of Positions in Nucleotide Sequences by Trim Distance

2013 SECOND IIAI INTERNATIONAL CONFERENCE ON ADVANCED APPLIED INFORMATICS (IIAI-AAI 2013) 129-134 2013年  査読有り

Mining twitter data: Discover quasi-truss from bipartite graph

Frontiers in Artificial Intelligence and Applications 255 287-295 2013年  査読有り

On computing tractable variations of unordered tree edit distance with network algorithms

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7258 211-223 2012年  査読有り

A Concept Model for Solving Bond Mathematics Problems

INFORMATION MODELLING AND KNOWLEDGE BASES XXIII 237 271-286 2012年  査読有り

Graph-based Consumer Behavior Analysis from Buzz Marketing Sites

INFORMATION MODELLING AND KNOWLEDGE BASES XXIII 237 259-270 2012年  査読有り

Extracting research communities from bibliographic data

International Journal of Knowledge-Based and Intelligent Engineering Systems 16(1) 25-34 2012年  査読有り

Dynamic labeling and tree kernels with gap penalties

6TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND INTELLIGENT SYSTEMS, AND THE 13TH INTERNATIONAL SYMPOSIUM ON ADVANCED INTELLIGENT SYSTEMS 1690-1695 2012年  査読有り

Acquisition of Glycan Motifs using Genetic Programming and Various Fitness Functions

6TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND INTELLIGENT SYSTEMS, AND THE 13TH INTERNATIONAL SYMPOSIUM ON ADVANCED INTELLIGENT SYSTEMS 1684-1689 2012年  査読有り

A Subpath Kernel for Rooted Unordered Trees

ADVANCES IN KNOWLEDGE DISCOVERY AND DATA MINING, PT I 6634 62-74 2011年  査読有り

Consumer Behavior Analysis from Buzz Marketing Sites over Time Series Concept Graphs

KNOWLEDGE-BASED AND INTELLIGENT INFORMATION AND ENGINEERING SYSTEMS, PT II 6882 73-83 2011年  査読有り

Content-based de-anonymisation of tweets

Proceedings - 7th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2011 53-56 2011年  査読有り

Mapping kernels for trees.

Proceedings of the 28th International Conference on Machine Learning, ICML 2011, Bellevue, Washington, USA, June 28 - July 2, 2011 961-968 2011年  査読有り

Understanding User Behavior through Summarization of Window Transition Logs

DATABASES IN NETWORKED INFORMATION SYSTEMS 7108 162-+ 2011年  査読有り

Detecting Unexpected Correlation between a Current Topic and Products from Buzz Marketing Sites

DATABASES IN NETWORKED INFORMATION SYSTEMS 7108 147-+ 2011年  査読有り

Scalable Detection of Frequent Substrings by Grammar-Based Compression

DISCOVERY SCIENCE 6926 236-+ 2011年  査読有り

Improved MAX SNP-Hard Results for Finding an Edit Distance between Unordered Trees

COMBINATORIAL PATTERN MATCHING, 22ND ANNUAL SYMPOSIUM, CPM 2011 6661 402-415 2011年  査読有り

Learning of multiple tree structured patterns using clustering and evolution

Proceedings of the IADIS International Conference Information Systems 2011, IS 2011 227-231 2011年  

Rumor Analysis Framework in Social Media

2011 IEEE REGION 10 CONFERENCE TENCON 2011 133-137 2011年  査読有り

部分パスに基づいた木カーネル

人工知能学会論文誌 26(3) 473-482 2011年  

Broom Distance between Rooted Labeled Trees

Proc. 7th Workshop on Learning with Logics and Logics for Learning 34-41 2011年