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Identifier	000339006
Title	Visitors' monitoring in a mobile location-aware information system
Alternative Title	Παρακολούθηση Επισκεπτών σε Κινητό Πληροφοριακό Σύστημα με Επίγνωση Θέσης
Author	Δουμπουλάκης, Στέφανος
Thesis advisor	Στεφανίδης, Κωνσταντίνος
Abstract	A new generation of information delivery systems is emerging, known as location-aware systems. These systems have the ability to locate the user spatially and to automatically deliver relevant information through mobile devices —laptops, PDAs or cell phones. Therefore, these systems produce an environment of “enhanced-reality,” where “on-the-go” information about areas and items of interest is provided with little or no user effort. In this context, the subject of this Thesis is a mobile location-aware information system, with particular focus on its monitoring component and positioning information delivery system. The above system components were developed with the following two key objectives: (a) to support efficient and speedy positioning information delivery in large-scale setups with very crowded use sessions at the scale of hundreds of simultaneous visitors, and (b) to enable real-time monitoring of all visitors from varying remote locations with 3D graphical representation. The design and implementation of the information system's monitoring component has been carried out addressing the following issues: (a) the implementation of a monitoring client application, displaying the visitors in their surroundings as they move around, and the relevant tools for searching, alert control and virtual navigation; (b) the implementation of a monitoring server application responsible for gathering positioning information from location-sensing engines and exchanging such information with the hand-held devices, logging important information for future inspection, cooperating with another instance of itself to ensure robust, fail-proof operation and carrying out device activation requests; (c) the implementation of a networking library to enable wireless network disconnection detection and guarantee message integrity and atomicity; and, (d) the implementation of drivers and APIs for handling novel location-sensing technologies.
Physical description	x, 47 σ. : εικ. ; 30 cm.
Language	English
Issue date	2008-12-04
Collection	School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
	Type of Work--Post-graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/5/3/6/metadata-dlib-7519d989591676f0db6b71b5dc15493a_1249050086.tkl
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