Desenvolvimento e Avaliação de Escalabilidade de um Serviço de Representação de Informação de Contexto Baseada em Ontologias
(Development and Scalability Evaluation of an Ontology-based Context Representation Service)
Ernesto Fonseca Veiga ( email@example.com)1, Guilherme Melo Maranhão (firstname.lastname@example.org)1, Renato Freitas Bulcão Neto (email@example.com)1
1Universidade Federal de Goiás
This paper appears in: Revista IEEE América Latina
Publication Date: March 2016
Volume: 14, Issue: 3
The state of art in context-aware computing has argued that ontologies are the most suitable technique for the modeling phase of the life cycle of context information. This paper proposes Hermes Widget, which provides an ontologybased context information representation service. The aim is to investigate the impact of the complexity of an ontology-based context modeling in a real world scenario. A scalability evaluation of the Hermes Widget service is performed using a well-known digital archive of physiological signals and related data for monitoring patients in ICUs. By demonstrating a linear growth of total time for context representation in contrast with an exponential growth of context information input, the experiments shown the scalable behavior of the Hermes Widget service. Experiments' results also shown that the ontology-based modeling used in Hermes Widget can be used in an efficient manner by offering several benefits to applications of that context modeling formalism.
context information, context modeling, ontology, context representation service, scalability evaluation
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