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This paper discusses the MERCURY system architecture for seamless integration of devices and services through an easy-to-use user interface and sensor integration. The system enables users to combine sensors, services, and actuators without the need for programming.
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MERCURY: User Centric Device and Service Processing Birgitta König-Ries, KobkaewOpasjumruskitInstitute for Computer Science, Friedrich-Schiller-University JenaAndreas Nauerz, Martin WelschIBM Germany Research and Development http://www.mercury-portals.org/ MKWI 2012 29.02.2012 – 02.03.2012
Introduction • Mobile devices • Sensors & Actuators • Web Services • Existing solutions • Not generic • Need IT knowledge • MERCURY Internet of Computers
Scenario B J
User Interface • Combine sensors, services, and actuators • Easy-to-use • No programming • Mashup builder • Web Portal
User Model • User authentication • User preferences http://www.minerva-portals.de/
Discovery of Devices & Services • Functional and non-functional properties Working Group on Semantic Sensors Sensor Time Ontologies to classify sensor Heavy-weight matchmaking algorithms Location Observation Weather publish subscribe Sensorpedia search Web service for social networking Connects sensors with users and applications connect view
Rights Management • Which sensors/actuators can be access by whom • Which level of granularity of information • ConServ - Context as service management • Sharing of context data across environments • Discovery of remote context data • Privacy protection of context data • Heterogeneity of sensors • Available for non-IT users
Sensor Integration • Heterogeneity • Scalability SenseWeb GSN - Global Sensor Network • Wikipedia of sensors • Sensor querying and tasking • SensorMap • Middleware • Web-based query interface • Handle sensors of all types GSN Internet Sensor node
System Architecture Sensor/ActuatorManagement RuntimeUI WebPortal UserManagement Sensor/ServiceDiscovery ExecutionEnvironment DBMSMetadata Gateway Middleware … Gateway c WWW Service Service Sensors/Actuators Network Sensors/Actuators Network Service …
Summary • Seamless, user-friendly integration of devices and services • Motivating scenario, reviewed analogous projects • Sketched a possible system architecture • Prototypical implementation which will be evaluated in user studies and will gradually be extended
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