Abstract
Bringing context into systems design has added a new dimension to modern technology. In service-centric and social-centric systems, the personalization of services to accommodate the preferences of each individual is essentially based on context information. Due to this importance, a significant amount of research work is being done on structuring and modeling contexts. However, no work has been done on storing these models using recent database technologies and techniques. Also, there is no reported work that considers a structure for context history, which is essential to maximize accessibility and scalability of context information in dynamic settings. Motivated by these issues, we have developed a general structure for storing context using three different database models. Additionally, we have compared the three models in terms of their performance and modeling ability. In this paper we present the data models for context, context history, and provide a summary of the experimental analysis conducted on them.
Alaa and Ammar are sincerely thankful to Saudi Arabia Government and the Saudi Cultural Bureau for their financial support.
Vangalur Alagar—The work reported in this paper is supported by a grant received by this author from Natural Sciences and Engineering Research Council (NSERC), Canada.
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-3-319-05939-6_37
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Notes
- 1.
Throughput is the number of operations performed per millisecond.
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© 2014 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Alsaig, A., Alsaig, A., Mohammad, M., Alagar, V. (2014). Storing and Managing Context and Context History. In: Vinh, P., Alagar, V., Vassev, E., Khare, A. (eds) Context-Aware Systems and Applications. ICCASA 2013. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 128. Springer, Cham. https://doi.org/10.1007/978-3-319-05939-6_4
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DOI: https://doi.org/10.1007/978-3-319-05939-6_4
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