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Shojiro Nishio
Researcher at Osaka University
Publications - 487
Citations - 5058
Shojiro Nishio is an academic researcher from Osaka University. The author has contributed to research in topics: Wireless sensor network & Mobile computing. The author has an hindex of 33, co-authored 487 publications receiving 4875 citations. Previous affiliations of Shojiro Nishio include University of Tokyo & Kyoto University.
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Proceedings ArticleDOI
Searching K-nearest neighbor nodes based on node density in ad hoc networks
TL;DR: This paper proposes two kNN query processing methods in MANETs where the density of nodes is ununiform; the One-Hop (OH) method and the Query Log (QL) method.
Proceedings ArticleDOI
A P2P Network Construction Method Based on Cycle of Sensing in Ubiquitous Sensor Environment
TL;DR: A novel P2P network construction method to achieve effective sensor data collection considering queries that specify a certain time, and clusters peers which perform sensing simultaneously, and constructs logical links between clusters whose peers sometimes perform sensing at a same time.
Proceedings ArticleDOI
Processing Convex Hull Queries in MANETs
TL;DR: Experimental results show that the proposed convex hull query processing methods reduce traffic and achieve short response time and high accuracy of the query result in MANETs, in comparison with a naive method.
Book ChapterDOI
Database Migration in WAN Environments: How Can It Earn Good Performance?
TL;DR: This work proves that the proposed transaction processing method based on database migration can find the database migration schedule which gives the shortest communication time for a given access sequence and is suitable for use in WANs.