Article: An efficient indexing and query mechanism for ubiquitous IoT services Journal: International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC) 2015 Vol.18 No.4 pp.245 - 255 Abstract: Nowadays mobile equipments are used widely and connected to the Internet ubiquitously. Billions of sensing devices are deployed for collecting context information in order to support intelligent and realtime decision support. Besides functionality specification, most devices have spatial and temporal constraints. In this setting, how to organise sensing devices properly and thus to achieve the discovery of devices efficiently with respect to the requirement of certain applications is a challenge. To remedy this issue, this paper proposes a multiple index method to organise sensing devices considering their functionality specifications, spatial and temporal attributes, and develops a query mechanism leveraging this multiple indexes. Experiment results show that this technique is effective and efficient. Inderscience Publishers - linking academia, business and industry through research

Title: An efficient indexing and query mechanism for ubiquitous IoT services

Authors: Chu Du; ZhangBing Zhou; Shi Ying; Jianwei Niu; Qun Wang

Addresses: China University of Geosciences (Beijing), Beijing 100083, China ' China University of Geosciences (Beijing), Beijing 100083, China; State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China; Insitut-Mines TELECOM/TELECOM SudParis, Évry 91000, France ' State Key Laboratory of Software Engineering, Wuhan University, Wuhan, 430072, China ' State Key Laboratory of Virtual Reality Technology and Systems, School of Computer Science and Engineering, Beihang University, Beijing 100191, China ' China University of Geosciences (Beijing), Beijing 100083, China

Abstract: Nowadays mobile equipments are used widely and connected to the Internet ubiquitously. Billions of sensing devices are deployed for collecting context information in order to support intelligent and realtime decision support. Besides functionality specification, most devices have spatial and temporal constraints. In this setting, how to organise sensing devices properly and thus to achieve the discovery of devices efficiently with respect to the requirement of certain applications is a challenge. To remedy this issue, this paper proposes a multiple index method to organise sensing devices considering their functionality specifications, spatial and temporal attributes, and develops a query mechanism leveraging this multiple indexes. Experiment results show that this technique is effective and efficient.

Keywords: ubiquitous services; IoT services; sensing devices; functionality clustering; spatial-temporal indexes; query mechanisms; indexing mechanisms; internet of things; multiple indexes.

DOI: 10.1504/IJAHUC.2015.069060

International Journal of Ad Hoc and Ubiquitous Computing, 2015 Vol.18 No.4, pp.245 - 255

Received: 21 Mar 2013
Accepted: 24 Sep 2013
Published online: 26 Apr 2015 *

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Title: An efficient indexing and query mechanism for ubiquitous IoT services

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