Ikki Ohmukai

J-GLOBAL         Last updated: Apr 20, 2016 at 10:43
 
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Name
Ikki Ohmukai
Nickname
i2k
Affiliation
National Institute of Informatics
Job title
Associate Professor
Degree
Ph.D. in Informatics
Research funding number
30413925
Twitter ID
i2k
ORCID ID
0000-0002-3276-3753

Research Areas

 
 

Academic & Professional Experience

 
Sep 2013
 - 
Mar 2016
Visiting Professor, Iwate University
 
Apr 2010
 - 
Today
Associate Professor, The Graduate University for Advanced Studies
 
Nov 2009
 - 
Today
Associate Professor, National Institute of Informatics
 
Feb 2008
 - 
Today
Founder, glucose inc.
 

Books etc

 
Toby Segaran, Colin Evans, Jamie Taylor
オライリージャパン   Jun 2010   ISBN:4873114527

Published Papers

 
Ikki Ohmukai
情報処理   56(9) 880-885   Sep 2015   [Invited]
ANDO DAIKI, SHIOZAKI RYO, SATO KENTO, OMUKAI IKKI, HARADA TAKASHI
現代の図書館   53(2) 82-89   Jun 2015
Ikki Ohmukai
The journal of Information Science and Technology Association   65(12) 503-508   Dec 2015   [Invited]
Satoshi Oyama,Yukino Baba,Ikki Ohmukai,Hiroaki Dokoshi,Hisashi Kashima
2015 IEEE International Conference on Data Science and Advanced Analytics, DSAA 2015, Campus des Cordeliers, Paris, France, October 19-21, 2015   1-9   2015   [Refereed]
KOMIYAMA YUSUKE, BANNO MASAKI, YARIMIZU MASAYUKI, KATO FUMIHIKO, OMUKAI IKKI, TAKEDA HIDEAKI, SHIMIZU KENTARO
29(4) 356-363   2014   [Refereed]
カレントアウェアネス   (320) 14-16   Jun 2014   [Invited]
OHMUKAI Ikki
The journal of Information Science and Technology Association   64(5) 170-174   May 2014   [Invited]
Web API is useful solution for the various needs of scholarly information services. In CiNii, a qualitative difference is not established between the service and Web API so that third parties can utilize data of CiNii. This paper describes the sys...
MIKI Mitsunori, HIROYASU Tomoyuki, OHMUKAI Ikki, KANEKO Mika
59(2) "2-141"-"2-142"   Sep 1999
Mitsunori MIKI, Tomoyuki HIROYASU, Jun-ichi YOSHIDA, Ikki OHMUKAI
IEICE technical report. Artificial intelligence and knowledge-based processing   100(89) 41-48   May 2000
This paper proposes a new crossover method for distributed genetic algorithms(DGA). DGA with multiple Subpopulations provides better solutions than conventional GA with a single population, and the proposed method including the hybridization cross...
MIKI Mitsunori, HIROYASU Tomoyuki, YOSHIDA Jun-ichi, OHMUKAI IKKI
The science and engineering review of Doshisha University   41(3) 162-170   Oct 2000
MIKI Mitsunori, HIROYASU Tomoyuki, OHMUKAI Ikki
The Computational Mechanics Conference   2000(13) 299-300   Nov 2000
Nishimura Takuichi, Hamasaki Masahiro, Matsuo Yutaka, Ohmukai Ikki, Tomobe Hironori, Takeda Hideaki
Journal of Japanese Society for Artificial Intelligence   19(1) 43-51   Jan 2004
TAKEDA Hideaki, OHMUKAI Ikki
IPSJ Magazine   45(6) 586-593   Jun 2004
OHMUKAI Ikki, TAKEDA Hideaki
The transactions of the Institute of Electronics, Information and Communication Engineers. D-I   87(11) 1020-1029   Nov 2004
ANZUI Shintaro, HAMASAKI Masahiro, OHMUKAI Ikki, TAKEDA Hideaki, YAMAGUCHI Takahira
Technical report of IEICE. KBSE   104(588) 43-48   Jan 2005
Here in this paper, we discuss how to build up a recommendation system for PDA, using a domain ontology and individual preference. The domain ontology comes from a commercial directory service. Individual preference comes from positioning data and...
Ohmukai Ikki, Takeda Hideaki, Matsuo Yutaka
Journal of Japanese Society for Artificial Intelligence   21(4) 403-409   Jul 2006
OHMUKAI Ikki
IPSJ Magazine   47(9) 993-1000   Sep 2006
Kamishima Toshihiro, Ohmukai Ikki
Journal of Japanese Society for Artificial Intelligence   21(6) 732-736   Nov 2006
OHMUKAI Ikki, HASHIMOTO Daiya
IPSJ Magazine   47(11)    Nov 2006
OHMUKAI Ikki
IPSJ Magazine   47(11) 1214-1221   Nov 2006
NUMA KOSUKE, HIRATA TOSHIYUKI, HAMASAKI MASAHIRO, OHMUKAI IKKI, ICHISE RYUTARO, TAKEDA HIDEAKI
IPSJ Journal   48(1) 85-97   Jan 2007
In this research, we propose a system called ActionLog which supports authoring and sharing Weblog contents for the purposes of support on reviewing and support on communicating in academic conferences. ActionLog collects users' actions from other...
MATSUOKA YUKI, SAKAMOTO RYUUKI, ITO SADANORI, OHMUKAI IKKI, TAKEDA HIDEAKI, KOGURE KIYOSHI
IPSJ Journal   48(12) 3882-3892   Dec 2007
Recently, tags of social bookmark services are used as metadata of web pages. In this case, meta data are desirable to be written in words which are related with contents of web pages. In our research, we focus marking which users underline or hig...
OHISHI Takeshi, KAMEDA Akihiro, FUKAMI Yoshiaki, OHMUKAI Ikki, TAKEDA Hideaki
70(5) "5-185"-"5-186"   Mar 2008
HONDA Hajime, OHMUKAI Ikki, TAKEDA Hideaki
70(5) "5-243"-"5-244"   Mar 2008
KIMURA Akifumi, FUKUHARA Tomohiro, OHMUKAI Ikki, TAKEDA Hideaki
70(5) "5-245"-"5-246"   Mar 2008
Fuyuko Matsumura, Tomoyuki Hiroyasu, Mitsunori Miki, Yasunari Sasaki, Ikki Ohmukai, Hideaki Takeda
IPSJ SIG Notes   2009(27) 1-6   Sep 2009
E-commerce sites improve their sales by presenting products that match users' preferences using recommendation methods. A user's preference may change during the shopping. In this paper, this change is called a "preference shift". However, convent...
Fuyuko Matsumura, Tomoyuki Hiroyasu, Mitsunori Miki, Yasunari Sasaki, Ikki Ohmukai, Hideaki Takeda
3(1) 25-35   Jan 2010
E-commerce sites improve their sales by presenting products that match users' preferences using recommendation methods. A user's preference may change during the shopping. In this paper, this change is called a "preference shift". However, convent...
Fuyuko Matsumura, Tomoyuki Hiroyasu, Mitsunori Miki, Yasunari Sasaki, Ikki Ohmukai, Hideaki Takeda
IPSJ SIG Notes   2010(20) 1-6   May 2010
Extracting a user's preference model and its transition on e-commerce sites improves their sales by presenting products that match the user's preference and marketing based on product choices of users. A method to obtain a user's preference model ...
MATSUO Yutaka, OHMUKAI Ikki, SUZUKI Ken, YAMASHITA Tatsuo, OKAMOTO Makoto, HAMASAKI Masahiro
IPSJ Magazine   51(5) 610-613   May 2010
OHMUKAI Ikki
The journal of Information Science and Technology Association   60(12) 495-500   Dec 2010
This paper describes design process of metadata in CiNii, which is an academic information service provided by National Institute of Informatics. We develop its bibliographic metadata based on several web standards such as OpenSearch and RDF. We a...
Yoshiaki Fukami, Iwao Kobayashi, Tetsuro Kamura, Fumihiro Kato, Ikki Ohmukai, Hideaki Takeda, Toru Takahashi, Hiroshi Ueda
IPSJ SIG Notes   2011(1) 1-8   Jan 2011
Linked Open Data (LOD) is the concept that realizes developing database resources as commons by generating machine readable data linked each other on the web with distributed activities. LOD enables trial of supply public services, which used to b...
専門図書館   (262) 8-12   Nov 2013   [Invited]
OHMUKAI Ikki
IPSJ Magazine   54(12) 1204-1210   Nov 2013   [Invited]
OHMUKAI Ikki
Journal of Information Processing and Management   56(7) 440-447   Oct 2013   [Invited]
"Open data" attracts attention as part of the information disclosure by governments and public institutions. Although the spread of the open data movement in Japan is behind as compared with the Western countries, quality and quantity of data are ...
An LOD Practice - Lessons and Learned from Open Data METI
S. Koide, F. Kato, I. Kobayashi, Y. Asano, M. Iwayama, T. Mima, T. Yamada, H. Takeda and I. Ohmukai
Linked Data in Practice Workshop      2013
Building DBpedia Japanese and Linked Data Cloud in Japanese,
F. Kato, H. Takeda, S. Koide and I. Ohmukai
Linked Data in Practice Workshop      2013
Towards a Data Hub for Biodiversity with LOD
Y. Minami, H. Takeda1, F. Kato, I. Ohmukai, N. Arai, U. Jinbo, M. Ito, S. Kobayashi and S. Kawamoto
Semantic Technology - Second Joint International Conference, JIST 2012, Nara, Japan, December 2-4, 2012. Proceedings   7774 356-361   2013   [Refereed]
情報処理   53(12) 1282-1286   Dec 2012   [Invited]
OHMUKAI Ikki
The journal of Information Science and Technology Association   62(11) 473-477   Nov 2012
In order to process large amount of access at low cost, it is necessary to design the system considering important functions to be provided. In CiNii Articles, we have achieved the performance requirements by using search engine and simple DBMS. W...
Ohmukai Ikki, Matsuo Yutaka
Journal of Japanese Society for Artificial Intelligence   27(1) 34   Jan 2012   [Invited]
専門図書館   (255) 34-39   Oct 2012   [Invited]
Study Support and Integration of Cultural Information Resources with Linked Data
T. Kamura, H. Takeda, I. Ohmukai, F. Kato, T. Takahashi and H. Ueda
Proceedings of the Second International Conference on Culture and Computing   177-178   Oct 2011   [Refereed]
OHMUKAI Ikki
The Journal of the Institute of Image Information and Television Engineers   65(8) 1161-1165   Aug 2011   [Invited]
Ohmukai Ikki
Journal of Japanese Society for Artificial Intelligence   26(4) 399-408   Jul 2011   [Invited]
Building Linked Data For Cultural Information Resources In Japan
T. Kamura, H. Takeda, I. Ohmukai, F. Kato, T. Takahashi and H. Ueda
Museums and the Web 2011      Apr 2011   [Refereed]
CiNii: Bringing Linked Data to Japan's Largest Scholary Search Engine
I. Ohmukai and H. Takeda
International Conference on Dublin Core and Metadata Applications (DC-2009)   137-138   Oct 2009   [Refereed]
Basic analysis for usage of social bookmarking services: distinct platform as a tool for information management
Y. Fukami, H. Takeda, I. Ohmukai and J. Kokuryo
The IFIP WG9.5 Virtuality and Society International Workshop on Images of Virtuality: Conceptualizations and Applications in Everyday Life      Apr 2009   [Refereed]
Study on real world relations among humans and objects using a cellular phone and a barcod
A. Kimura, T. Fukuhara, I. Ohmukai, H. Takeda
The 7th International Workshop on Social Intelligence Design (SID2008)      Dec 2008   [Refereed]
QueReSeek: Community-Based Web Navigation by Reverse Lookup of Search History
H. Tan, I. Ohmukai, H. Takeda
International Workshop on Information-explosion and Next Generatoin Search (INGS2008)      Apr 2008   [Refereed]

Conference Activities & Talks

 
Wakata Mari, Shioi Takamitsu, Hagiwara Kazuki, Hatano Kenji, Ohmukai Ikki
Proceedings of the IEICE General Conference   24 Feb 2015   
Linked Open Innovation [Invited]
Ikki Ohmukai
ICSTI 2014 Annual Conference   20 Oct 2014   
L-Crowd: A Library Crowdsourcing Project by LIS and CS Researchers in Japan [Invited]
A. Morishima, T. Kawashima, T. Harada, N. Uda, I. Ohmukai
International Conference on Digital Libraries (ICDL2013)   Nov 2013   
Integrate Japanese Red List into LOD of Species
A. Kameda, F. Kato, U. Kato, I. Ohmukai and H. Takeda
PNC Annual Conference 2013   Dec 2013   

Misc

 
TAKEDA Yasuhiro, OHMUKAI Ikki, ADACHI Shin, KATO Toshikazu
Transactions of Japan Society of Kansei Engineering   8(3) 813-818   2009
Currently, news contents are based on traditional taxonomy with hierarchical structure. Meanwhile, social bookmarks have a flat structure called folksonomy which has less difficulty to get news rather than taxonomy. However, bookmark tags depends ...
Ohmukai Ikki, Hamasaki Masahiro, Takeda Hideaki, Miki Mitsunori
Proceedings of the Annual Conference of JSAI   2(0) 171-171   2002
HAMASAKI Masahiro, TAKEDA Hideaki, OHMUKAI Ikki, ICHISE Ryutaro
Transactions of the Japanese Society for Artificial Intelligence   19 389-398   Nov 2004
In this paper, we discuss importance and utilization of personal network in a community system through the result of management and analysis of the scheduling support system for academic conferences. The important feature of the system is generati...
OHMUKAI Ikki, MATSUO Yutaka, MATSUMURA Naohiro, TAKEDA Hideaki
Transactions of the Japanese Society for Artificial Intelligence   21 251-256   Nov 2006
In this paper we propose Web-based communication environment called ``Community Web Platform''. Our platform provides an easy way to exchange personal knowledge among people with lightweight metadata such like RSS and FOAF. We investigate the natu...
NUMA Kosuke, HIRATA Toshiyuki, OHMUKAI Ikki, ICHISE Ryutaro, TAKEDA Hideaki
Journal of Japan Creativity Society   10 118-134   Dec 2006
OHMUKAI Ikki
The journal of Information Science and Technology Association   58(12) 595-601   Dec 2008
National Institute of Informatics operates scholarly and academic information navigator called CiNii.Recently academic information services are required to provide information to the public as well as experts, and we refined several functions of C...
FURUKAWA Tadanobu, MATSUO Yutaka, OHMUKAI Ikki, UCHIYAMA Koki, ISHIZUKA Mitsuru
Journal of Japan Society for Fuzzy Theory and Intelligent Informatics   21(4) 557-566   Aug 2009
This paper proposes a novel keyword discrimination method by focusing on information flows on weblogs. Our approach assumes that the process of the term diffusion among bloggers is determined by the influence of the terms and the bloggers. We make...
SAKAMAKI Tomohiro, TAN Hideyuki, OHMUKAI Ikki, TAKEDA Hideaki
72(5) "5-173"-"5-174"   Mar 2010
Morichika Noriyuki, Hamasaki Masahiro, Kameda Akihiro, Ohmukai Ikki, Takeda Hideaki
72(5) "5-241"-"5-242"   Mar 2010
OHMUKAI Ikki
Journal of Information Processing and Management   53(11) 641-644   2011
Morichika Noriyuki, Hamasaki Masahiro, Kameda Akihiro, Ohmukai Ikki, Takeda Hideaki
Transactions of the Japanese Society for Artificial Intelligence   26(2) 335-340   2011
In this paper, we describe our approach for information extraction from documents, which is based on supervised machine learning and collective intelligence approach. This approach is aimed at redeeming each method, because each method has merits ...
Ohmukai Ikki
The journal of the Institute of Image Information and Television Engineers   65(8) 1161-1165   Aug 2011
OHMUKAI Ikki
62(11) 473-477   Nov 2012