Takenao Ohkawa

According to our database, Takenao Ohkawa authored at least 66 papers between 1991 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Age and Spatial Cue Effects on User Performance for an Adaptable Verbal Wayfinding System.

Rin Takahira, Chaoran Liu, Carlos Toshinori Ishi, Takenao Ohkawa

Proceedings of the 33rd IEEE International Conference on Robot and Human Interactive Communication, 2024

2023

Drone airfield location determination method for parcel delivery by vehicle and drone.

Satoru Hori, Norihisa Komoda, Takenao Ohkawa

Proceedings of the IEEE/SICE International Symposium on System Integration, 2023

SCIRNet: Skeleton-based cattle interaction recognition network with inter-body graph and semantic priority.

Yang Yang, Mizuka Komatsu, Kenji Oyama, Takenao Ohkawa

Proceedings of the International Joint Conference on Neural Networks, 2023

2022

Real-Time Cattle Interaction Recognition via Triple-stream Network.

Yang Yang, Mizuka Komatsu, Takenao Ohkawa, Kenji Oyama

Proceedings of the 21st IEEE International Conference on Machine Learning and Applications, 2022

2021

Estimation of important binding sites in compounds that interact with proteins.

Kouhei Tachibana, Aoi Fukazawa, Ryo Nishide, Takenao Ohkawa

Comput. Biol. Chem., 2021

Error Factor Analysis of DNN-based Fingerprinting Localization through Virtual Space.

Takuto Jikyo, Tomio Kamada, Chikara Ohta, Takaharu Yaguchi, Kenji Oyama, Takenao Ohkawa, Ryo Nishide

Proceedings of the 18th IEEE Annual Consumer Communications & Networking Conference, 2021

2020

Deep Learning-based Object Detection for Crop Monitoring in Soybean Fields.

Muhammad Taufiq Pratama, Sangwook Kim, Seiichi Ozawa, Takenao Ohkawa, Yuya Chonan, Hiroyuki Tsuji, Noriyuki Murakami

Proceedings of the 2020 International Joint Conference on Neural Networks, 2020

2018

Cattle Community Extraction Using the Interactions Based on Synchronous Behavior.

Yohei Yamauchi, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa

Proceedings of the Ninth International Symposium on Information and Communication Technology, 2018

Calf Robust Weight Estimation Using 3D Contiguous Cylindrical Model and Directional Orientation from Stereo Images.

Ryo Nishide, Ayumi Yamashita, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa

Proceedings of the Ninth International Symposium on Information and Communication Technology, 2018

Quantifying the Approaching Behaviors for Interactions in Detecting Estrus of Breeding Cattle.

Shunta Fukumoto, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa

Proceedings of the Ninth International Symposium on Information and Communication Technology, 2018

Refined Cattle Detection Using Composite Background Subtraction and Brightness Intensity from Bird's Eye Images.

Mami Aotani, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa

Proceedings of the Ninth International Symposium on Information and Communication Technology, 2018

An Image Sensing Method to Capture Soybean Growth State for Smart Agriculture Using Single Shot MultiBox Detector.

Kazuki Omura, So Yahata, Seiichi Ozawa, Takenao Ohkawa, Yuya Chonan, Hiroyuki Tsuji, Noriyuki Murakami

Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, 2018

2017

A hybrid machine learning approach to automatic plant phenotyping for smart agriculture.

So Yahata, Tetsu Onishi, Kanta Yamaguchi, Seiichi Ozawa, Jun Kitazono, Takenao Ohkawa, Takeshi Yoshida, Noriyuki Murakami, Hiroyuki Tsuji

Proceedings of the 2017 International Joint Conference on Neural Networks, 2017

Protein-Protein Interaction Extraction from Text by Selecting Linguistic Features.

Thi Thanh Thuy Phan, Takenao Ohkawa, Akihiro Yamamoto

Proceedings of the 17th IEEE International Conference on Bioinformatics and Bioengineering, 2017

2016

Protein-protein interaction extraction with feature selection by evaluating contribution levels of groups consisting of related features.

Thi Thanh Thuy Phan, Takenao Ohkawa

BMC Bioinform., 2016

Extraction of interaction information between breeding cows with GPS and its application to estrus detection.

Kengo Matsumoto, Kenji Oyama, Takeshi Honda, Takenao Ohkawa

Proceedings of the 2016 International Joint Conference on Neural Networks, 2016

A method of detecting interaction between breeding cows from time-series bird's eye pictures of pasture.

Yoji Hosomi, Kenji Oyama, Takeshi Honda, Takenao Ohkawa

Proceedings of the 2016 International Joint Conference on Neural Networks, 2016

2015

A method of searching for related literature on protein structure analysis by considering a user's intention.

Azusa Ito, Takenao Ohkawa

BMC Bioinform., 2015

2014

Binding Site Extraction by Similar Subgraphs Mining from Protein Molecular Surfaces and Its Application to Protein Classification.

Natsumi Kurumatani, Hiroyuki Monji, Takenao Ohkawa

Int. J. Artif. Intell. Tools, 2014

2013

Super-resolved 3D reconstruction for parking assistance using projective transformation.

Keiko Nakajima, Takenao Ohkawa, Shiho Tanaka, Toshio Ito

Proceedings of the 19th Korea-Japan Joint Workshop on Frontiers of Computer Vision, Incheon, Korea (South), January 30, 2013

2012

A Method of Extracting Sentences Containing Protein Function Information from Articles by Iterative Learning with Feature Update.

Kazunori Miyanishi, Takenao Ohkawa

Proceedings of the Computational Intelligence Methods for Bioinformatics and Biostatistics, 2012

Binding site extraction by similar subgraphs mining from protein molecular surfaces.

Natsumi Kurumatani, Hiroyuki Monji, Takenao Ohkawa

Proceedings of the 12th IEEE International Conference on Bioinformatics & Bioengineering, 2012

Method of extracting sentences about protein interaction from the literature on protein structure analysis using selective transfer learning.

Shun Koyabu, Riku Kyogoku, Takenao Ohkawa

Proceedings of the 12th IEEE International Conference on Bioinformatics & Bioengineering, 2012

2011

Interaction site prediction by structural similarity to neighboring clusters in protein-protein interaction networks.

Hiroyuki Monji, Satoshi Koizumi, Tomonobu Ozaki, Takenao Ohkawa

BMC Bioinform., 2011

A method for supporting retrieval of articles on protein structure analysis considering users' intention.

Riku Kyogoku, Ryo Fujimoto, Tomonobu Ozaki, Takenao Ohkawa

BMC Bioinform., 2011

2010

A Method to Extract Sentences Containing Protein Function Information with Training Data Extension Based on User's Feedback.

Kazunori Miyanishi, Tomonobu Ozaki, Takenao Ohkawa

Inf. Media Technol., 2010

A Method to Identify Protein Names with Iterative Extension of Training Data Set.

Kazunori Miyanishi, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the ISCA 2nd International Conference on Bioinformatics and Computational Biology, 2010

2009

Selection of Effective Sentences from a Corpus to Improve the Accuracy of Identification of Protein Names.

Kazunori Miyanishi, Tomonobu Ozaki, Takenao Ohkawa

Inf. Media Technol., 2009

A Comparative Analysis of Metabolic Pathways Based on Metabolic Steady States.

Yuta Ashida, Tomonobu Ozaki, Takenao Ohkawa

Inf. Media Technol., 2009

Weighted Frequent Subgraph Mining in Weighted Graph Databases.

Masaki Shinoda, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the ICDM Workshops 2009, 2009

Efficient Discovery of Closed Hyperclique Patterns in Multidimensional Structured Databases.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the ICDM Workshops 2009, 2009

Discovery of Quantitative Sequential Patterns from Event Sequences.

Fumiya Nakagaito, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the ICDM Workshops 2009, 2009

Frequent Pattern Discovery from a Single Graph with Quantitative Itemsets.

Yuuki Miyoshi, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the ICDM Workshops 2009, 2009

Discovery of Correlated Sequential Subgraphs from a Sequence of Graphs.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Advanced Data Mining and Applications, 5th International Conference, 2009

2008

Entity Network Prediction Using Multitype Topic Models.

Hitohiro Shiozaki, Koji Eguchi, Takenao Ohkawa

IEICE Trans. Inf. Syst., 2008

Extraction of Binding Sites in Proteins by Searching for Similar Local Molecular Surfaces.

Satoshi Koizumi, Keisuke Imada, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Pattern Recognition in Bioinformatics, 2008

Mining Mutually Dependent Ordered Subtrees in Tree Databases.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the New Frontiers in Applied Data Mining, 2008

Mining Correlated Subgraphs in Graph Databases.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2008

Discovery of Internal and External Hyperclique Patterns in Complex Graph Databases.

Tsubasa Yamamoto, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Workshops Proceedings of the 8th IEEE International Conference on Data Mining (ICDM 2008), 2008

Mining Correlated Pairs of Patterns in Multidimensional Structured Databases.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Workshops Proceedings of the 8th IEEE International Conference on Data Mining (ICDM 2008), 2008

2007

A Method to Extract Sentences with Protein Functional Information from Literature by Iterative Learning of the Corpus.

Md. Ahaduzzaman Munna, Takenao Ohkawa

Inf. Media Technol., 2007

Efficiently Mining Closed Constrained Frequent Ordered Subtrees by Using Border Information.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2007

Partial Geometric Hashing for Retrieving Similar Interaction Protein Using Profile.

Yasuhiro Kiuchi, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Fourth International Conference on Information Technology: New Generations (ITNG 2007), 2007

Discovery of Frequent Graph Patterns that Consist of the Vertices with the Complex Structures.

Tsubasa Yamamoto, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Mining Complex Data, ECML/PKDD 2007 Third International Workshop, 2007

Filtering Protein Surface Motifs Using Negative Instances of Active Sites Candidates.

Nripendra Lal Shrestha, Takenao Ohkawa

Proceedings of the Analysis of Biological Data: A Soft Computing Approach, 2007

2006

Decision Tree Construction from Multidimensional Structured Data.

Tomoki Watanuma, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Workshops Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006

Mining Closed and Maximal Frequent Induced Free Subtrees.

Hitohiro Shiozaki, Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Workshops Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006

Efficient Mining of Closed Induced Ordered Subtrees in Tree-structured Databases.

Tomonobu Ozaki, Takenao Ohkawa

Proceedings of the Workshops Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006

2005

Automatic profile extraction based on frequency distribution of atoms for retrieving similar interaction protein.

Mariko Matsumoto, Yusuke Nonomura, Takenao Ohkawa

Proceedings of the Fifth International Conference on Intelligent Systems Design and Applications (ISDA 2005), 2005

2004

Sumomo: A Protein Surface Motif Mining Module.

Nripendra Lal Shrestha, Youhei Kawaguchi, Takenao Ohkawa

Int. J. Comput. Intell. Appl., 2004

Logical Cluster Construction in a Grid Environment for Similar Protein Retrieval.

Takenao Ohkawa, Yusuke Nonomura, Kenji Inoue

Proceedings of the 2004 Symposium on Applications and the Internet Workshops (SAINT 2004 Workshops), 2004

A Method of Filtering Protein Surface Motifs Based on Similarity Among Local Surfaces.

Nripendra Lal Shrestha, Youhei Kawaguchi, Tadasuke Nakagawa, Takenao Ohkawa

Proceedings of the Intelligent Data Engineering and Automated Learning, 2004

2003

Information Extraction from Semi-Structured Data in the Protein Data Bank by Induction of a Data Description Pattern.

Youhei Kawaguchi, Yoshikazu Kaneta, Takenao Ohkawa, Haruki Nakamura

Proceedings of the International Conference on Mathematics and Engineering Techniques in Medicine and Biological Scienes, 2003

Automatic Extraction of Protein Active Site Information from Literature Using Template Matching and Anaphora Analysis.

Yoshikazu Kaneta, M. Numa, Takenao Ohkawa

Proceedings of the International Conference on Mathematics and Engineering Techniques in Medicine and Biological Scienes, 2003

2002

A filtering method for high-speed retrieval of similar active sites.

Tadasuke Nakagawa, Takanori Tanaka, Takenao Ohkawa, Haruki Nakamura

Inf. Sci., 2002

A method of comparing protein molecular surface based on normal vectors with attributes and its application to function identification.

Yoshikazu Kaneta, Norimasa Shoji, Takenao Ohkawa, Haruki Nakamura

Inf. Sci., 2002

2001

Real-time simulation for fault detection and diagnosis using stochastic qualitative reasoning.

Fusachika Miyasaka, Takahiro Yamasaki, Masaki Yumoto, Takenao Ohkawa, Norihisa Komoda

Proceedings of 8th IEEE International Conference on Emerging Technologies and Factory Automation, 2001

1999

Classification and Feature Extraction of Protein Structures Based on Structural Transformation.

Takenao Ohkawa

Int. J. Artif. Intell. Tools, 1999

1998

Case Based Approach to the Construction of a Coal Molecular Structure Model.

Koji Tanaka, Takenao Ohkawa, Norihisa Komoda

Proceedings of the Tasks and Methods in Applied Artificial Intelligence, 1998

1997

Automatic regeneration of sequence programs for operating plants.

Yoshitomo Ikkai, Kaname Kakihara, Takenao Ohkawa, Norihisa Komoda, Katsuhiko Doi, Isao Tone

IEEE Robotics Autom. Mag., 1997

1996

Recursive learning method for knowledge-based planning system.

Yoshitomo Ikkai, Takenao Ohkawa, Norihisa Komoda

J. Intell. Manuf., 1996

Character Design Based on Concept Space Formation.

Takenao Ohkawa, Kaname Kakihara, Norihisa Komoda

Proceedings of the Industrial and Engineering Applications of Artificial Intelligence and Expert Systems, 1996

1995

Evaluation of Case-Oriented Planning Support System -SMAP- for Business System.

Norihiko Kugumiya, Shuji Soga, Takenao Ohkawa, Norihisa Komoda

Proceedings of the SEKE'95, 1995

1992

Constructing hierarchies for incomplete frames.

Takenao Ohkawa, Kazuhiko Koizumi, Noboru Babaguchi, Yoshikazu Tezuka

Syst. Comput. Jpn., 1992

Analogical Generalization.

Takenao Ohkawa, Toshiaki Mori, Noboru Babaguchi, Yoshikazu Tezuka

Proceedings of the International Conference on Fifth Generation Computer Systems. FGCS 1992, 1992

1991

Class Directed Generalization.

Takenao Ohkawa, Toshiaki Mori, Noboru Babaguchi, Yoshikazu Tezuka

Proceedings of the Third Scandinavian Conference on Artificial Intelligence, 1991