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Data Processing and Simulation Group
                          Telecommunications School
                         Techical University of Madrid



   Using context-awareness
   to foster active lifestyles
Ana M. Bernardos, Eva Madrazo, Henar Martín, José R. Casar



      Workshop CONTEXTS 2010
                                     Josué Iglesias
                            josue@grpss.ssr.upm.es
Presentation outline


                 Introduction
                 Design principles
                 Context acquisition and reasoning
                 CASanDRA architecture
                 Application development
                 Conclusions and future work



Using context-awareness to foster active lifestyles                2 / 13
Introduction: the evolution of healthcare

                                                  Educational protocols
  Traditional                                        Support tools
reactive model


  >5.000 mobile applications
  - Information,                                      Preventive-
  - Monitoring,                                        proactive
  - Calendars,
  - Reminders,                                          model
  - Calculators...
Using context-awareness to foster active lifestyles                       3 / 13
Introduction
                                                                  Personali-
                                                                   zed and
                                                Context-          persuasive
Captology                                                        applications
                                               awareness
                                                                      for
                                                                  healthcare




              Monitor and (mainly) motivate the users to adopt
            healthy and feasible motion patterns in their daily lifes
   Using context-awareness to foster active lifestyles                  4 / 13
Presentation outline


                Introduction
                Design principles
                Context acquisition and reasoning
                CASanDRA architecture
                Application development
                Conclusions and future work



Using context-awareness to foster active lifestyles                5 / 13
Design principles
          • Application based on:
               – Motion states: walking, running, taking the bus…
inputs                REAL motion pattern + location & time information
               – Activity profiles: at work, at home, practicing sports…
outputs
                      EXPECTED motion pattern
               – Advisable motion pattern: ‘stand up and walk x Km ...’


          • Three elements for a person to perform a target
            behavior:
inputs         – Ability → configuration panel
               – Motivation → visual interface
outputs
               – Effective triggers → context-aware alerts

    Using context-awareness to foster active lifestyles                    6 / 13
Presentation outline


                Introduction
                Design principles
                Context acquisition and reasoning
                CASanDRA architecture
                Application development
                Conclusions and future work



Using context-awareness to foster active lifestyles                7 / 13
Context acquisition & feature extraction
• Motion state
   – Shimmer mote attached to the foot
   – Embedded accelerometer in the
   mobile device
• Positioning
   – When indoors: Zone-based
   – When outdoors: GPS
   – Handover between indoors and outdoors
• Walked distance
   – Based on GPS coordinates
   – Inertial-based step counter
• Date & Time
 Using context-awareness to foster active lifestyles   8 / 13
Presentation outline


                Introduction
                Design principles
                Context acquisition and reasoning
                CASanDRA architecture
                Application development
                Conclusions and future work



Using context-awareness to foster active lifestyles                9 / 13
CASanDRA mobile middleware

                                                                 mobile middleware:
                                                 Applications

  ContextFusion         Subscription          Network
                                                                 tools to simplify
      History              Registry          Discovery
                                                                 application development
                                             CASanDRA Core
                                                                           +
                                                                 process sensor data
      mobile middleware
    ENABLER ENABLER ENABLER ENABLER
                                                                 intelligently
                                CASanDRA Context inference
                                                                           +
      SENSOR     SENSOR     SENSOR     SENSOR                    hide specific sensor
                                       CASanDRA Acquisition      characteristics

                   Environment
                                                                = CASanDRA mobile
Using context-awareness to foster active lifestyles                                10 / 13
CASanDRA mobile middleware
                                              [SOA ] mobile OSGi:
                                                                  dynamic component
                                                                   framework for Java
                                                 Applications
                                                                  bundle: reusable software
                                                                   unit
  ContextFusion         Subscription          Network
      History              Registry          Discovery            reusability of components
                                                                   (bundles/services)
                                             CASanDRA Core
                                                                  aggregation of (context) data
                                                                  HW platform independence
      mobile middleware
    ENABLER ENABLER ENABLER ENABLER
                                                                   (Java-based)
                                CASanDRA Context inference        services in framework
                                                                     •   resource discovery
      SENSOR     SENSOR     SENSOR     SENSOR                        •   event management
                                                                     •   log
                                       CASanDRA Acquisition          •   [...]


                   Environment
                                                                = CASanDRA mobile
Using context-awareness to foster active lifestyles                                           11 / 13
Presentation outline


                Introduction
                Design principles
                Context acquisition and reasoning
                CASanDRA architecture
                Application development
                Conclusions and future work



Using context-awareness to foster active lifestyles                12 / 13
Application components

                                                      • APPLICATIONS



                                                      • CORE




                                                      • SENSORS
                                                       •   accelerometer (x2)
                                                       •   Bluetooth
                                                       •   WiFi
                                                       •   GPS

                                                      • ENABLERS
                                                       •   step counter
                                                       •   indoor location (x2)
                                                       •   location fusion
                                                       •   inference engine


Using context-awareness to foster active lifestyles               13 / 13
Application operation

                                                           events management
                                                           component
                                                           subscription
                                                            • enablers
                                                            • applications

                                                           register components
                                                            • sensors
                                                            • enablers

                                                           start components

                                                           dynamic rules
                                                           configuration


Using context-awareness to foster active lifestyles                  14 / 13
Application prototype
• Samsung Omnia with WM 6.1
• J9 virtual machine to run mOSGi (based on
  equinox OSGi)




 Using context-awareness to foster active lifestyles             15 / 13
Presentation outline


                Introduction
                Design principles
                Context acquisition and reasoning
                CASanDRA architecture
                Application development
                Conclusions and future work



Using context-awareness to foster active lifestyles                16 / 13
Conclusions
• Persuasive computing merged with context-
  awareness may be a powerful tool to educate
  people in healthy lifestyles.
• But there is a way to go…:
   – Technology (HW and SW) to estimate the user’s
     context in a non-intrusive way.
   – Frameworks to make easier the development of
     context-aware apps.
   – Privacy and security in data management.
   – User experience.

 Using context-awareness to foster active lifestyles           17 / 13
Further work
  This is a work in progress. Our current efforts aim at:
• Improving CASanDRA Mobile
        • How to use data fusion techniques to manage uncertainty
          (Quality of context)
        • Light reasoning strategies: ontology management in mobile
          devices
• Enhancing the application features
        • Fusion algorithms to detect motion patterns with non-
          invasive hardware
        • Adaptive strategies for personal patterns’ analysis
        • Enhancing the performance of positioning by using inertial
          systems
• Modeling of ‘persuasion’ for behavior change: user feedback and
  validation
  Using context-awareness to foster active lifestyles            18 / 13
Thank you for your attention


           Josué Iglesias
      josue@grpss.ssr.upm.es
Activity profiles
Profile                             Activity level      Motion pattern
Work                                Low                 Stand up and walk for some
                                                        meters once an hour
Sleep                               Very low            9 hours max
Commuting                           High                Walk 1 km.
At home                             Low                 Stand up and walk for some
                                                        meters once an hour
Sports practice                     Very high           Run 4 km




  Using context-awareness to foster active lifestyles                         20 / 13

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[CONTEXTS'10] Using context awareness to foster active lifestyles

  • 1. Data Processing and Simulation Group Telecommunications School Techical University of Madrid Using context-awareness to foster active lifestyles Ana M. Bernardos, Eva Madrazo, Henar Martín, José R. Casar Workshop CONTEXTS 2010 Josué Iglesias josue@grpss.ssr.upm.es
  • 2. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 2 / 13
  • 3. Introduction: the evolution of healthcare Educational protocols Traditional Support tools reactive model >5.000 mobile applications - Information, Preventive- - Monitoring, proactive - Calendars, - Reminders, model - Calculators... Using context-awareness to foster active lifestyles 3 / 13
  • 4. Introduction Personali- zed and Context- persuasive Captology applications awareness for healthcare Monitor and (mainly) motivate the users to adopt healthy and feasible motion patterns in their daily lifes Using context-awareness to foster active lifestyles 4 / 13
  • 5. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 5 / 13
  • 6. Design principles • Application based on: – Motion states: walking, running, taking the bus… inputs REAL motion pattern + location & time information – Activity profiles: at work, at home, practicing sports… outputs EXPECTED motion pattern – Advisable motion pattern: ‘stand up and walk x Km ...’ • Three elements for a person to perform a target behavior: inputs – Ability → configuration panel – Motivation → visual interface outputs – Effective triggers → context-aware alerts Using context-awareness to foster active lifestyles 6 / 13
  • 7. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 7 / 13
  • 8. Context acquisition & feature extraction • Motion state – Shimmer mote attached to the foot – Embedded accelerometer in the mobile device • Positioning – When indoors: Zone-based – When outdoors: GPS – Handover between indoors and outdoors • Walked distance – Based on GPS coordinates – Inertial-based step counter • Date & Time Using context-awareness to foster active lifestyles 8 / 13
  • 9. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 9 / 13
  • 10. CASanDRA mobile middleware mobile middleware: Applications ContextFusion Subscription Network tools to simplify History Registry Discovery application development CASanDRA Core + process sensor data mobile middleware ENABLER ENABLER ENABLER ENABLER intelligently CASanDRA Context inference + SENSOR SENSOR SENSOR SENSOR hide specific sensor CASanDRA Acquisition characteristics Environment = CASanDRA mobile Using context-awareness to foster active lifestyles 10 / 13
  • 11. CASanDRA mobile middleware [SOA ] mobile OSGi:  dynamic component framework for Java Applications  bundle: reusable software unit ContextFusion Subscription Network History Registry Discovery  reusability of components (bundles/services) CASanDRA Core  aggregation of (context) data  HW platform independence mobile middleware ENABLER ENABLER ENABLER ENABLER (Java-based) CASanDRA Context inference  services in framework • resource discovery SENSOR SENSOR SENSOR SENSOR • event management • log CASanDRA Acquisition • [...] Environment = CASanDRA mobile Using context-awareness to foster active lifestyles 11 / 13
  • 12. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 12 / 13
  • 13. Application components • APPLICATIONS • CORE • SENSORS • accelerometer (x2) • Bluetooth • WiFi • GPS • ENABLERS • step counter • indoor location (x2) • location fusion • inference engine Using context-awareness to foster active lifestyles 13 / 13
  • 14. Application operation events management component subscription • enablers • applications register components • sensors • enablers start components dynamic rules configuration Using context-awareness to foster active lifestyles 14 / 13
  • 15. Application prototype • Samsung Omnia with WM 6.1 • J9 virtual machine to run mOSGi (based on equinox OSGi) Using context-awareness to foster active lifestyles 15 / 13
  • 16. Presentation outline  Introduction  Design principles  Context acquisition and reasoning  CASanDRA architecture  Application development  Conclusions and future work Using context-awareness to foster active lifestyles 16 / 13
  • 17. Conclusions • Persuasive computing merged with context- awareness may be a powerful tool to educate people in healthy lifestyles. • But there is a way to go…: – Technology (HW and SW) to estimate the user’s context in a non-intrusive way. – Frameworks to make easier the development of context-aware apps. – Privacy and security in data management. – User experience. Using context-awareness to foster active lifestyles 17 / 13
  • 18. Further work This is a work in progress. Our current efforts aim at: • Improving CASanDRA Mobile • How to use data fusion techniques to manage uncertainty (Quality of context) • Light reasoning strategies: ontology management in mobile devices • Enhancing the application features • Fusion algorithms to detect motion patterns with non- invasive hardware • Adaptive strategies for personal patterns’ analysis • Enhancing the performance of positioning by using inertial systems • Modeling of ‘persuasion’ for behavior change: user feedback and validation Using context-awareness to foster active lifestyles 18 / 13
  • 19. Thank you for your attention Josué Iglesias josue@grpss.ssr.upm.es
  • 20. Activity profiles Profile Activity level Motion pattern Work Low Stand up and walk for some meters once an hour Sleep Very low 9 hours max Commuting High Walk 1 km. At home Low Stand up and walk for some meters once an hour Sports practice Very high Run 4 km Using context-awareness to foster active lifestyles 20 / 13