1. Introduction – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 1 The aging population is a 21st century problem - The percentage of people over 65 rises yearly - Costs continue to rise

2. Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 2 The aging population is a 21st century problem Example: Warmhof Maldegem - 124 rooms - 200 inhabitants - Built in 2007 - Cost: 20 mio Not all inhabitants need constant monitoring and care… Introduction – Pieter-Jan Huyghe

3. Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 3 Introducing the smart home Objective: - Cut costs - Create space Solution: - Provide a safe environment - Keep people at home - Patient/worker ratio Introduction – Pieter-Jan Huyghe

4. Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 4 Introducing the smart home Basic smart home components: - Sensors - Communication system - Data processing unit Introduction – Pieter-Jan Huyghe

5. Introduction Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 5 Hier komt vincent

6. Rules Overview – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 6 Sensors Data acquisition ReasonerOutput

7. Data acquisition – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 7 Data acquisition: - Multiple sensors: polling based - Single sensor queries are supported - N3 format Example: Rules Sensors Data acquisition ReasonerOutput

8. Reasoner – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 8 Reasoning module: - Gathers all the data - Combines data with rules - Deduces new facts Rules Sensors Data acquisition ReasonerOutput

9. Reasoner – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 9 Reasoning module is very important - Has to be fast - Has to be reliable - Low resource consumption is a plus  Choosing the right reasoner is key Rules Sensors Data acquisition ReasonerOutput

10. Reasoner – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 10 Choosing the right reasoner: JenaEYE User LicenseOpen source Last updated2010-122012-5 Install Size23.3 Mb13.9 Mb Type of reasoningForward, backward or hybridBackward-forward-backward Ease of useComplexEasy Execution speedModerateFast AccuracyHigh Rules Sensors Data acquisition ReasonerOutput

11. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 11 Rules: - Determine how well the reasoner works - Bind values to a fact or action - Combine facts logically - Have to be easy to maintain and read Rules Sensors Data acquisition ReasonerOutput

12. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 12 Basic rule example: Rules Sensors Data acquisition ReasonerOutput

13. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 13 Multi-sensor: Rules Sensors Data acquisition ReasonerOutput

14. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 14 Combine facts: Rules Sensors Data acquisition ReasonerOutput

15. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 15 Combine facts to detect unusual patient behavior: Rules Sensors Data acquisition ReasonerOutput

16. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 16 Combine facts to detect unusual patient behavior: Rules Sensors Data acquisition ReasonerOutput

17. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 17 Influence sensor behavior: Rules Sensors Data acquisition ReasonerOutput

18. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 18 Sensor malfunction reporting: - Value collections Rules Sensors Data acquisition ReasonerOutput

19. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 19 Sensor malfunction reporting: - Value collections - Value pairs Ambient Light: 11% Bed Pressure: 85% Location: bed Camera Light: 89% Rules Sensors Data acquisition ReasonerOutput

20. Rules – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 20 Sensor malfunction reporting: - Value collections - Value pairs Ambient Light: 11% Bed Pressure: 85% Location: bed Camera Light: 89% Person is sleeping Rules Sensors Data acquisition ReasonerOutput

21. Output – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 21 Key functions: -Report, detect and alert This data can be passed on in many different ways. Rules Sensors Data acquisition ReasonerOutput

22. Future work – Pieter-Jan Huyghe Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 22 Future work: - Implement machine learning