A QoC-aware discovery service for the internet of things

Porfírio Gomes, Everton Cavalcante, Thais Batista, Chantal Taconet, Sophie Chabridon, Denis Conan, Flavia C. Delicato, Paulo F. Pires

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The Internet of Things (IoT) is an emergent paradigm characterized by a plethora of smart objects connected to the Internet. An inherent characteristic of IoT is the high heterogeneity and the wide distribution of objects, thereby calling for ways to describe in an unambiguous and machine-interpretable way the resources provided by objects, their properties, and the services they offer. In this context, discovery services play a significant role as they allow clients (middleware platforms, end-users, applications) to retrieve available resources based on appropriate search criteria, such as resource type, capabilities, location, and Quality of Context (QoC) parameters. To cope with these concerns, we introduce QoDisco, a QoC-aware discovery service relying on multiple-attribute searches, range queries, and synchronous/asynchronous operations. QoDisco also comprises an ontology-based information model for semantically describing resources, services, and QoC-related information. In this paper, we describe the QoDisco architecture and information model as well as an evaluation of the search procedure in an urban air pollution monitoring scenario.

Original languageEnglish
Title of host publicationUbiquitous Computing and Ambient Intelligence - 10th International Conference, UCAmI 2016, Proceedings
EditorsCarmelo R. García, Alexis Quesada-Arencibia, Mike Burmester, Pino Caballero-Gil
PublisherSpringer Verlag
Pages344-355
Number of pages12
ISBN (Print)9783319487984
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume10070 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

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