Context-Aware Data Discovery
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Context-Aware Data Discovery Context-Aware Data Discovery Presentation Transcript

  • Context and Application-awareness. Context-Aware Data Discovery Dmitry Namiot Lomonosov Moscow State University Manfred Sneps-Sneppe Ventspils University College
  • • Agenda:• Introduction• Data sets in Wi-Fi connectivity• SpotEx (Spot Expert) approach• SpotEx examples• Reality mining in SpotEx• SpotEx vs. Foursquare, etc• The future development• Conclusion8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 2
  • Introduction• Smart phone & Wi-Fi accesspoint• How to provide data tomobile subscribers nearby Wi-Fi access point?• How to use wireless sensorson smart phone for data Our initial case:discovery? Smart phone as a wireless sensor• It is not about the Wi-Fi network is visible on the mobileconnectivity. It is about data There is no connection to this AP yetdiscovery.8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 3
  • Data set• AP: SSID, MAC-address,channel, signal strength• Phone: MAC-address,history of using this MAC-address, time• How can we link the visibilityfor our data to the abovementioned measurements? Wi-Fi network is visible on the mobile There is no connection to this AP yet• The simialar questions could What kind of data can we use?be raised for Bluetooth All this info is available for mobile application8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 4
  • SpotEx approach• External database with rules(productions)• IF IS_VISIBLE (‘SSID1’) andTIME_WITHIN (1pm, 2pm)THEN {show coupon forlunch}• Expert systems for spots• Mobile application requestsDB via HTTP Important note: access point, our rules linked to, could be opened on the• RETE algorithm for making another mobile phone. It is likeconclusions Dynamic LBS8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 5
  • Proximity marketing Chat for mobile visitors nearby8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 6
  • Reality mining• Reality mining: use logged mac-address for dicovering massbehavior indoor• Extract patterns from loggedmac-addresses• Web statistics analogue for realplaces• Use statistics in proximityrules: Mobile application can recordIF IS_VISIBLE(‘myshop’) AND mac-address from mobile devices andFIRST_VISIT() THEN { ... } use this information in rules and forDifferent data for the first time the discovery users behaviorand follow-up visitors8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 7
  • SpotEx vs. Foursquare, etc• Analogue: automatic check-in• Mobile applicationautomatically check-in user’sstate against wirelessenvironment• They are customized check-ins.Rules for “badges” (as inFoursquare) are user-defined• “Places” could be dynamic (just Important note: access point our rulesanother phone) linked to could be opened on the• Check-ins in SpotEx are another mobile phone. It is likeanonymous Dynamic LBS8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 8
  • The future development• Replace external database withmarkup in our context: encoderules as custom attributes forHTML5. Web intents forprocessing• Add developers API• Use network proximityprinciples from SpotEx vs.location for social streamsintegration (e.g. Twitter, etc.) and Mobile application can recordaugmented reality mac-address from mobile devices and• Wi-Fi direct support use this information for the discovery users behavior8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 9
  • Conclusion• A new model for context-aware data discovery for mobile usersdeveloped on the ideas of Wi-Fi and Bluetooth proximity.• Uses smart-phone as a proximity sensor. Service can use anynetwork node as presence trigger for delivering user-defined contentright to mobile subscribers.• Completely software based approach. A novel implementation ofcontext-aware browser for mobile subscribers. Presented as mobileapplication for Android platform and HTML5 web site.•This service could be used for delivering commercial information(deals, discounts, coupons) in malls, hyper-local news data, datadiscovery in Smart City projects, personal news, etc.8-11 Oct 2012 Context and Application-awareness / Context-aware Data Discovery 10
  • The End Dmitry NamiotManfred Sneps-Sneppe 11