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Proposed Research Topics

Proposed Research Topics. Cooperation between Siemens and UCB. March 27, 2001 Visit of Prof. Katz and Prof. Joseph at CT SE 2. Service Composition. Def.: Service composition/aggregation = combine low-level basic services to high-level composite services in a dynamic fashion Subtopics:

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Proposed Research Topics

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  1. Proposed Research Topics Cooperation between Siemens and UCB • March 27, 2001 • Visit of Prof. Katz and Prof. Joseph at CT SE 2

  2. 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

  3. 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

  4. 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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