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Towards Context-Aware Computing via the Mobile Social Cloud

Towards Context-Aware Computing via the Mobile Social Cloud. Prof. Rick Han University of Colorado at Boulder. Context-Aware Mobile Social Networks. Social Networks. Who?. Where?. My Preferences My Friends. Context-Aware “System”. Context-Aware Mobile Applications.

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Towards Context-Aware Computing via the Mobile Social Cloud

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  1. Towards Context-Aware Computing via the Mobile Social Cloud Prof. Rick Han University of Colorado at Boulder

  2. Context-Aware Mobile Social Networks Social Networks Who? Where? • My Preferences • My Friends Context-Aware “System” Context-Aware Mobile Applications

  3. The SocialFusion Project What? Sensor activity, Mood, etc. Social Networks Who? Where? • My Preferences • My Friends SocialFusion [HotMobile10] Individually Context-Aware App’s Group Context-Aware App’s Context-Aware Group Video SocialAwareFlicks [MS09] Context-Aware Group Audio - Music Jukebox New apps… WhozThat? Mobile Social Network [IEEENetwork08] Loopt, Foursquare, etc.

  4. Distributing SocialFusion in the Cloud Who? Who? Who? What? What? What? Where? Where? Where? Mobile Cloud Services (Context- Aware), e.g. Azure, EC2, etc. DB Distributed … Data Mining Inference “Layer” DM1 DM2 DMN DML2 DML2 Recommendation Or Actuation “Layer” … REC1 REC2 REC2 [CUTechReport09] RECX Context-Aware App’s Context-Aware Group Video And Audio Apps Minority Report App Mobile Social Networks

  5. Privacy in the Context-AwareMobile Cloud Who? What? Where? PRIVACY PRIVACY PRIVACY Aaron Beach: PP-Anonymity vs. K-Anonymity DB “Group” Privacy Issues, anonymize before releasing to 3rd parties downstream PRIVACY ANONYMIZATION Data Mining/Inference Recommendation Context-Aware Mobile App’s

  6. CawbWeb - The Context-Aware Mobile Web/Cloud • How do we make developing a context-aware app easy? (and the results reusable) • Specify what you “want” to do in CawbWeb, e.g. in a series of intentions • Compile these intentions into a working app • Compiler hides details of how to compose Web services, e.g. WSDL, etc. • [CawbWeb CU Tech Report 2010]

  7. Summary • Research challenges encountered (and not solved): • What are the important attributes to track? • Group inference and recommendation • Privacy of individuals and groups • How to make building context-aware app’s easy and reusable? • rhan@cs.colorado.edu

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