A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments

S
SAINT-W
2007
2007 International Symposium on Applications and the Internet Workshops (SAINTW'07)
Abstract - A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments

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2007 International Symposium on Applications and the Internet Workshops (SAINTW'07)

Hiroshima, Japan

January 15-January 19

ISBN: 0-7695-2757-4

	ASCII Text	x
	Tomoya Kawakami, Susumu Takeuchi, Yuuichi Teranishi, Kaname Harumoto, Shinji Shimojo, "A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments," Applications and the Internet Workshops, IEEE/IPSJ International Symposium on, pp. 54, 2007 International Symposium on Applications and the Internet Workshops (SAINTW'07), 2007.

	BibTex	x
	@article{ 10.1109/SAINT-W.2007.11, author = {Tomoya Kawakami and Susumu Takeuchi and Yuuichi Teranishi and Kaname Harumoto and Shinji Shimojo}, title = {A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments}, journal ={Applications and the Internet Workshops, IEEE/IPSJ International Symposium on}, volume = {0}, year = {2007}, isbn = {0-7695-2757-4}, pages = {54}, doi = {http://doi.ieeecomputersociety.org/10.1109/SAINT-W.2007.11}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Applications and the Internet Workshops, IEEE/IPSJ International Symposium on TI - A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments SN - 0-7695-2757-4 SP EP A1 - Tomoya Kawakami, A1 - Susumu Takeuchi, A1 - Yuuichi Teranishi, A1 - Kaname Harumoto, A1 - Shinji Shimojo, PY - 2007 KW - null VL - 0 JA - Applications and the Internet Workshops, IEEE/IPSJ International Symposium on ER -

Tomoya Kawakami, Osaka University, Japan

Susumu Takeuchi, Osaka University, Japan

Yuuichi Teranishi, Osaka University, Japan

Kaname Harumoto, Osaka University, Japan

Shinji Shimojo, Osaka University, Japan

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/SAINT-W.2007.11

This paper presents a novel Peer-to-Peer (P2P) mechanism that can handle effective location-dependent content discovery to enable context-aware ubiquitous computing. Our mechanism is an extension of ?LL-Net?, a P2P overlay network that handles peer discoveries according to the geographical location of the peer.

To manage location-dependent content discoveries in the LL-Net, a index of location-dependent content is stored in the peer that is located nearest to the content. A query for location-dependent contents located in the certain area is forwarded to the peers that are inside the caluculated area using LL-Net. After the indexes are obtained as the result of the query, location-dependent contents are retrieved according to the indexes.

We have evaluated the effectiveness of the proposed mechanism by simulations and confirmed that our mechanism can handle queries with small number of messages. We also found that messages required to achieve 95% recall rate are almost half number of messages that are required to achieve 100% recall rate in our mechanism.

Citation:

Tomoya Kawakami, Susumu Takeuchi, Yuuichi Teranishi, Kaname Harumoto, Shinji Shimojo, "A P2P-Based Mechanism for Managing Location-Dependent Contents in Ubiquitous Environments," saint-w, pp.54, 2007 International Symposium on Applications and the Internet Workshops (SAINTW'07), 2007

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