Ambient Aware Information Delivery
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1 Ambient Aware Information Delivery Stephan Steglich, Christian Räck, Stefan Arbanowski <raeck Technical University Berlin / Fraunhofer FOKUS Institute for Open Communication Systems Kaiserin-Augusta-Allee Berlin, Germany
2 Problem field SERVICES Service 1: Service 2: WWW/WAP Service 3: Audio/video Service 4: Speech TERMINALS Mobile phone PDA/communicator Laptop computer Workstation Telephone set ACCESS Core Network Current Service Creation S p e e c h D a t a GSM CN S M S H S C S D GSM services CAMEL, SIM Toolkit, WAP G P R S GPRS CN WAP HTML, XML, Java, cgi-bin U T R A N UMTS CN Same as GSM and GPRS B R A N * E t h e r net D S L IP Networks Browser user interface, services on WWW-server (HTML, XML, cgi-bin, Java), entertainment (games), Audio/Video distribution, FTP, SMTP, POP3, VoIP... ISP POP I S D N A n a l o g ISDN ISDN & IN services Service adaptation to the terminal and access capabilities. Hide access technology and personal/terminal mobility. Provide: user identification, authentication, charging (content, service, access and transport), billing, location information, terminal capabilities, access/transports available, VHE Service Creation Service 1: IP-based Service Creation Service 2: WWW/WAP Service 3: Audio/video Service 4: Speech Flexible service creation. Fast service introduction and easy online management. Service personalisation, customisation (service profile)
3 User-centric information delivery Service Adaptation Framework Ambient Awareness Model Access Networks Service Object Service User Terminals Generic User Interaction Model Personalization Model
4 Ambient-awareness? Ambient information describes the environment of the user at a certain moment in time. This includes physical measurable data, but also relevant items residing in the environment, such as devices and other objects. Multi-context indicators: Physical contextual indicators, e.g. levels of brightness, noise, humidity, and temperature. Computing context indicators, e.g. network connectivity characteristics, nearby devices. User context indicators, e.g. user s location, social conditions, user s history. Temporal context indicators, e.g. time of day, day of week, time before or after a specific event. Ambient awareness means to consider and to adapt to information about the user s environment (ambient information) in the service provisioning
5 Obtaining ambient info Directly From sensor devices, which measure and provide physical values. From explicit user statements, by which the user himself describes the environment, e.g. specifying the current location. Indirectly: By interpreting available data in order to process/revaluate more information. For example, if the location of an active user terminal is known, the location of the user can be derived accordingly
6 Network of sensors gathering ambient information Sensors N2 CS N
7 Gathering of ambient information Service Adaptation Framework Service Provisioning/Usage of Ambient Information Ambient Information Server Sensor Network Ambient Information Store Interpreter Interpreter Interpreter User Interaction Direct Information Gathering Indirect Information Gathering
8 Revaluation of ambient information Revaluation by Rule-based Interpretation Ambient Information ++ Ambient Information + Ambient Information Sensor Data
9 Context Modeling Resource Description Framework (RDF) provides data model specifications and XML-based serialization syntax Web Ontology Language (OWL) enables the definition of domain ontologies and sharing of domain vocabularies
10 Ambient profile data structure Ambient functions: Store Retrieve Poll Subscribe
11 Ambient profile according to a specific target location area Ambient Data Location of Interest (Target Location Area) Ambient Profile Sensor Network
12 Storage and provisioning of ambient data Ambient Data Service Adaptation Framework Service Provisioning Ambient Profile Sensor Network User Interaction Storing Ambient Information Server Interpret Interpreter Ambient er Information Interpreter Store Interpreter
13 Ambient information in the delivery context Access Network A B Request Respond Service Adaptation Framework Request Respond GUIML Service Terminal Delivery Context Network characteristics Terminal capabilities Ambient information User preferences Ambient Information Server
14 Info delivery functional overview Terminals Access Networks I-Centric User Interaction Portal I-Centric Services IP Networks Adapter Gateway User Interaction Adaptation Portal Interface Service 1 PSTN Adapter ISDN Gateway Mobile Adapter Networks Gateway GSM/UMTS Personalization Ambient Information Management Session Management Portal Interface Portal Interface Service 2 Service 3 Service 4 Service n
15 Portal Architecture Service Execution Environment Portal Interface Weather Service Adapter Calendar I-Centric User Interaction Platform Delivery Context Handler Communication... Portal Access Session Manager Ambient Server Identification & Authentication Capability Manager Location Server Preferences Manager Adapter Gateway Adaptor Gateways WAP WEB Instant messaging Telephony SMS SIP ISDN Parlay Access Networks: IP and Telecommunication Networks
16 Ubiquitous Portal Access Mobile Car Desktop Public Terminals on TV at Home - Long living service sessions user aware portal keeps access state - Seamless comm. (multimodal) various devices various services - Home access & control (e.g.: mobile home access via DSL) - Set-top Boxes, HAVI, Smart-IP
17 Mobile Personal Assistant Services Personal Environment Control (Smart-IP: TV, VCR, fridge, curtain, light) Personalized Information Services (e.g. maps, cinema, hotel, shops, flights) Personal secretary (cares about all appointments & incoming information, PAM) Personal Information Management (Calendar, documents, contacts, notes, messages) e-government (e.g. taxes, passports, real estate) Ubiquitous access & delivery of information one device various services Integrated solution (one-stop-shopping) one portal Context aware personalized usage of integrated services
18 Screenshot: Portal Welcome Page
19 Screenshot: News Service
20 Screenshot: Weather Service
21 Screenshot: Location-based Service
22 Screenshot Ambient Control Service
23 Thank you, any question?
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