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© Siemens AG 2001 Software & Systems Architectures - Mobile Computing Proposed Research Topics Cooperation between Siemens and UCB March 27, 2001 Visit of Prof. Katz and Prof. Joseph at CT SE 2
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© Siemens AG 2001 2 Software & Systems Architectures - Mobile Computing Service Composition Def.: Service composition/aggregation = combine low-level basic services to high-level composite services in a dynamic fashion Subtopics: Description format/language for service interfaces and properties Description format/language for service interrelations/interactions Loose vs. tight coupling of basic services Preservation of consistency within higher-level services Matching of services based on service capabilities and user preferences Cross-section topics: Security issues Physical distribution of service space (server vs. client / download) Technical foundations for new business models Time frame: 6 – 12 months (depends on level of detail and experience of student) Contact: Jochen.Sauter@mchp.siemens.de
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© Siemens AG 2001 3 Software & Systems Architectures - Mobile Computing Security & Acceptance of Context-aware Systems Area of Interest Context-aware Applications in the Mobile Internet Example: Weather Information for tomorrow Open Issues Users have reservations against context being collected about them and used by untrusted applications Proposed Concepts Access Control to Context has to be introduced Context should be stored „near“ the user Engines to personalize Applications without revealing Context Suggested Task Identification of current situation (use of context, parties involved) Consideration of cultural aspects (e.g. privacy, security) Derivation of typical scenarios, requirements for future architectures Design and implementation of software component Contact: Lars.Mehrmann@mchp.siemens.de
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© Siemens AG 2001 4 Software & Systems Architectures - Mobile Computing Value based Pricing for Mobile Multimedia Services Future Mobile Networks: Different services Current billing schemes do not work => Pricing based on content needed Sample Problems: How to differentiate content? How to handle interrupted downloads How to handle prepaid accounts? Proposed work: Determine requirements of users/ operators/ service providers and suggest/ prototype solutions Contact: Konstantin.Keutner@mchp.siemens.de
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