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Context-aware systems: a survey and prototype application
2003 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This master thesis investigates and analyses recent development concerning context-awareness. We have used different techniques: snooping, process monitoring and positioning to build a context-aware framework. We will get the position with help of the Alipes platform and the Global Positioning System (GPS). Context-awareness is a concept that was established in the beginning of the 90’s. A system is context-aware if it is able to separate, interpret and use the information from the surrounding environment and also be able to adjust its functionality to that environment. This is of great importance if the user often moves between different environments and thereby also changes prerequisites. There are few applications that have reached the commercial market, where most of them have been developed for research. This can depend on the complex and costly implementation and development. The applications on the market today, that use context-awareness, are basically focused on location- based services. We therefore wanted to create a framework that could be used in commercial purposes. We also tried to build it so that it would be easy to create applications upon. We decided to develop a framework for capture of context information, which means that the service/device clients will interpret most of the context by themselves and then report to the framework. The application can then collect whatever information it wants from the framework. Our framework will also inform how the context should be described and take care of the context interpretation. We finally built a prototype application that verifies our design. It decides whether the user is at home, at work or in between, depending on the location, the current URL-address and the different processes running on the computer. It then displays three different webpages depending on the three different states (at home, at work, in between).

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Keyword [en]
Keyword [sv]
URN: urn:nbn:se:ltu:diva-43917ISRN: LTU-EX--03/030--SELocal ID: 1bbd1898-48f3-4a8c-b99d-70a59bb768abOAI: diva2:1017160
Subject / course
Student thesis, at least 30 credits
Educational program
Computer Science and Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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