Akihiko OHSUGA


Goal Oriented Refinement Pattern Driven Use Case Modelling
Kozo HONDA Hideaki HIRAYAMA Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2016/03/01
Vol. J99-D  No. 3  pp. 238-254
Type of Manuscript:  Special Section PAPER (Special Section on Student Research)
Category: 
Keyword: 
goal-oriented requirements analysisKAOS modelrequirements elicitationrequirements definitionuse case model
 Summary | Full Text(in Japanese):PDF(3.4MB)

Building of Industrial Parts LOD for BOM Agent
Shusaku EGAMI Takahiro KAWAMURA Akihiro FUJII Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2015/06/01
Vol. J98-D  No. 6  pp. 992-1004
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
semantic WebLinked Open Dataagentmanufacturing
 Summary | Full Text(in Japanese):PDF(1.5MB)

Curation Agent Based on Semantic Relations between Events
Ryohei YOKOO Takahiro KAWAMURA Yuichi SEI Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2015/06/01
Vol. J98-D  No. 6  pp. 982-991
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
Web agentLinked DataSemantic Webrecommendation systeminformation retrieval
 Summary | Full Text(in Japanese):PDF(1.8MB)

A Proposal of Recommendation Agents for Surprising Recipes
Kyosuke IKEJIRI Yuichi SEI Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2015/06/01
Vol. J98-D  No. 6  pp. 971-981
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
data mininginformation recommendationfood mediarecipe
 Summary | Full Text(in Japanese):PDF(1.4MB)

Location Anonymization on the Basis of Accuracy
Yuichi SEI Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2014/05/01
Vol. J97-D  No. 5  pp. 964-974
Type of Manuscript:  Special Section PAPER (Special Section on Cyberworlds)
Category: 
Keyword: 
ubiquitous computingprivacylocation informationanonymization
 Summary | Full Text(in Japanese):PDF(1013.1KB)

Flexible Anonymized Data Collection with Randomized Response Scheme
Yuichi SEI Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2014/05/01
Vol. J97-D  No. 5  pp. 953-963
Type of Manuscript:  Special Section PAPER (Special Section on Cyberworlds)
Category: 
Keyword: 
ubiquitous computingprivacyanonymization
 Summary | Full Text(in Japanese):PDF(1.8MB)

Anonymized Data Collection Satisfying l-Entropy in Ubiquitous Computing
Yuichi SEI Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2014/04/01
Vol. J97-D  No. 4  pp. 793-806
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
ubiquitous computingprivacyanonymization
 Summary | Full Text(in Japanese):PDF(1MB)

Proposal of Social-Mass Media Triplification and Its Use Case
Takahiro KAWAMURA Kenji KOSHIKAWA Hiroyuki NAKAGAWA Yuichi SEI Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/12/01
Vol. J96-D  No. 12  pp. 2987-2999
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
agentlinked datasocial-vs-mass media
 Summary | Full Text(in Japanese):PDF(3.5MB)

Proposal of Human Activity Estimation not Tweeted at Twitter - A Case Study of Returning Home in the Earthquake-
Nguyen MINH THE Takahiro KAWAMURA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/12/01
Vol. J96-D  No. 12  pp. 2970-2978
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
web miningcollaborative filteringreal-world agent
 Summary | Full Text(in Japanese):PDF(648.6KB)

Distributed Anonymization Method with Hiding the Presence of Individuals
Takao TAKENOUCHI Takahiro KAWAMURA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/03/01
Vol. J96-D  No. 3  pp. 596-610
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
k-anonymitydistributed anonymizationprivacy preserving data publishing
 Summary | Full Text(in Japanese):PDF(1.3MB)

Improving Recommendation Novelty Based on Tag Cluster Diversification
Makoto FUJIWARA Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/03/01
Vol. J96-D  No. 3  pp. 531-542
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
recommender systemsfolksonomynovelty
 Summary | Full Text(in Japanese):PDF(1.5MB)

Development of Web Agent to Extract Product Searching Intention according to Interaction Sequence
Takahiro KAWAMURA Kora VA Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1783-1790
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
search intentionintention extractioninteraction
 Summary | Full Text(in Japanese):PDF(523.6KB)

A Proposal for Privacy Preserving Agent by Anonymization Based on User Background Information and Community Status
Kazutomo HAMAMOTO Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1812-1824
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
privacyanonymitylifelogword co-occurence
 Summary | Full Text(in Japanese):PDF(3MB)

A Recommender Agent Providing Novelty and Serendipity on Social Media SNS
Soichiro SUMIMOTO Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1800-1811
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
recommend systemfolksonomynoveltyserendipity
 Summary | Full Text(in Japanese):PDF(1.5MB)

Green-Thumb Phone: Development of Plant Recommendation Agent Using Augmented Reality on Mobile Phone
Norihito MISHIRO Takahiro KAWAMURA Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1791-1799
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
real world-oriented agentrecommendation systemaugumented realitymobile application
 Summary | Full Text(in Japanese):PDF(2.4MB)

System Presenting Primary Opinions Extracted from Blogs about the News Article Being Browsed
Daisuke SATO Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1773-1782
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
opinion-miningmorphological analysisweblog
 Summary | Full Text(in Japanese):PDF(663.7KB)

Reputation Trend Extraction from Microblogging Using Sentiment Analysis and Topic Extraction
Kazuyuki HASHIMOTO Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1762-1772
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
microbloggingreputation trend extractionsentiment analysistopic extractionWeb agents
 Summary | Full Text(in Japanese):PDF(1.2MB)

Opinion Extraction Using Supervised Learning for Reputation Analysis System
Toshiyuki TANAKA The-Minh NGUYEN Hiroyuki NAKAGAWA Yasuyuki TAHARA Akihiko OHSUGA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1751-1761
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Applications)
Category: 
Keyword: 
opinion extractionreputationmachine learning
 Summary | Full Text(in Japanese):PDF(711.8KB)

Implementing a Low-Power Consumption Wireless Sensor Network Application with Intelligent Mobile Agents
Kenta CHO Akihiko OHSUGA Shinichi HONIDEN 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2007/09/01
Vol. J90-D  No. 9  pp. 2365-2377
Type of Manuscript:  Special Section PAPER (Special Section on Software Agent and Its Application)
Category: 
Keyword: 
wireless sensor networkintelligent mobile agentpicoPlangentlow-power consumption
 Summary | Full Text(in Japanese):PDF(378.6KB)