DynamiCC: a framework for dynamic context composition in ubicomp

Authors:
João Ladislau Lopes;Rodrigo Santos Souza;Claudio Resin Geyer;Cristiano Andre Costa;Jorge Victoria Barbosa;Gizele Ingrid Gadotti;Márcia Zechlinski Gusmão;Adenauer Correa Yamin
Affiliations:
Federal University of Rio Grande do Sul, Porto Alegre, Brazil;Federal University of Rio Grande do Sul, Porto Alegre, Brazil;Federal University of Rio Grande do Sul, Porto Alegre, Brazil;University of the Vale do Rio dos Sinos, São Leopoldo, Brazil;University of the Vale do Rio dos Sinos, São Leopoldo, Brazil;Federal University of Pelotas, Pelotas, Brazil;Federal University of Pelotas, Pelotas, Brazil;Federal University of Pelotas, Pelotas, Brazil
Venue:
Proceedings of the 18th Brazilian symposium on Multimedia and the web
Year:
2012

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Abstract

Ubiquitous computing (Ubicomp) environments are characterized by high distribution, heterogeneity and dynamism. In these environments, applications must be aware of their contexts and adapt to changes in them. A major research challenge in the area of Ubicomp is related to context awareness. Considering the characteristics of ubiquitous environments, this paper presents a framework for context awareness, called DynamiCC (Dynamic Context Composition), which includes elements to support context modeling, contextual data collection, environment actuation, composition and interpretation of contextual information. We consider that the main contributions of this work are the use of a hybrid approach for context modeling, and the proposal of an architecture that supports interpretation and composition of dynamic contexts. DynamiCC enables the construction of complex contexts at runtime. To assess the functionality of the proposed model, we developed usage scenarios.