Towards service-oriented continuous queries in pervasive systems

Yann Gripay 1 Frederique Laforest 2 Jean-Marc Petit 1
1 BD - Base de Données
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
2 DRIM - Distribution, Recherche d'Information et Mobilité
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be used alongside with non-conventional data sources like data streams, services and events. In this paper, we tackle the definition of continuous queries combining standard relations, data streams and services in a declarative language extending SQL. We first define virtual tables with binding patterns as a way to get a unified view of the pervasive environment. Relations, data streams and services can be homogeneously queried using a SQL-like language, on top of which query optimization can be performed. We also introduce a new clause defining the optimizing criteria to dynamically choose the best way to handle each event.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-01500451
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Submitted on : Monday, April 3, 2017 - 11:59:15 AM
Last modification on : Tuesday, February 26, 2019 - 11:33:48 AM

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Yann Gripay, Frederique Laforest, Jean-Marc Petit. Towards service-oriented continuous queries in pervasive systems. Revue des Sciences et Technologies de l'Information - Série ISI : Ingénierie des Systèmes d'Information, Lavoisier, 2008, 5, 13, pp.33-57. ⟨10.3166/isi.13.5.33-57⟩. ⟨hal-01500451⟩

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