52north.org

SWE Components Core  SOS  SAS/SES  SPS  WNS  Clients  SWEcurity Incubation  Sensor Instance Registry  Sensor Observable Registry  Home Weather Station System  Sensor World

52north.org SOS

52north.org SOS  SOS  SOS-Feeder  SOS Insert Application  Video On Demand SOS

52north.org SOS  Implements OGC implementation specification v1.0: –Core Profile –Transactional Profile for numerical and spatial observations –GetFeatureOfInterest, GetFeatureOfInterestTime, GetResult  Based upon JAVA, PostgreSQL+PostGIS, Apache Tomcat, Apache Ant  Based upon robust libraries and technologies: –Java Servlet API, Apache XMLBeans, Java Topology Suite (JTS)  Extension for mobile sensors

52north.org SOS  Future Steps: –New release (3.1.0) planned –Maven migration –Support additional DBMS (Oracle, MySQL), modular DBMS integration –Test Suite –Extension of Transactional Profile (s upport additional observation types) –Paging Mechanism –Delegation of feature handling to external WFS –KML-Encoding of responses –SOAP-Binding  Start of the SOS SWG

52north.org SOS-Feeder  Web service for feeding data into the SOS data base  Supports the current SOS version including the mobile extension  Future steps: –Synchronization with new SOS release –Decide about the future: Feeder vs. SOS-T

52north.org SOS Insert Application  Web based form for entering data that shall be inserted into a SOS instance  Based on the Transactional Profile of the SOS  Currently in the development process –Stationary sensors already supported –Mobile extension not yet integrated  Future steps: –Synchronization with new SOS release –Integrate security mechanisms

52north.org Video On Demand SOS  Special SOS implementation for delivering video data  Allows retrieving video for certain time periods  Video is streamed to the client  Developed as a prototype within the OSIRIS project  Future steps: –Advance to a release –Flexible video format support

52north.org SAS/SES

52north.org SAS/SES  SAS –Subscription to user defined alert conditions –Dispatch alerts via XMPP (extensible messaging and presence protocol) –Support of other communication protocols though gateway services like WNS –Compliant to OGC SAS specification RFC –Future steps  see SES (Sensor Event Service)

52north.org SAS/SES  SES –OGC Discussion Paper (document number ) –Based upon OASIS WS-Notification –Topic and content based filtering –Three filter levels: XPath (mandatory) OGC Filter Encoding (optional) EML (optional) –Not restricted to specific transport protocol –Default binding: SOAP via HTTP –Unit conversion

52north.org SAS/SES  SAS vs. SES SASSES Filtering: – spatial ()()  – temporal  – comparing ()()  – aggregation  CEP / ESP  Topics  Unit conversion 

52north.org SPS

52north.org SPS  Allows to task sensors and simulation models  Compliant to OGC SPS 1.0 specification  Release version 1.0 available  Modular plug-in architecture allows the easy integration of new sensor types  Exemplary plug-in available for Axis network camera

52north.org SPS  Practical demo: MSP  Future steps –For the OSIRIS project development of plug-ins for controlling a manually flown airplane (send task messages to the pilot) Controlling an UAV

52north.org WNS

52north.org WNS  Functionality for supporting asynchronous communication processes between services and clients (e.g. between SPS and user)  Based on OGC best practice paper (OGC ) version  Supports –SMTP ( ) –XMPP –SMS –Fax –Phone  Future steps: –Follow OGC developments (e.g. within OWS-6)

52north.org Clients

52north.org Clients  OX-F Rich Client  Thin-Clients  ArcGIS Adapter  uDig Plug-In  Google Maps Display

52north.org OX-F Rich Client  Java based stand alone client  Supports –WMS versions: 1.0.0, and –WCS versions: 1.0.0, and –SOS versions: and –SAS version: –CSW: together with ebRIM 3.0

52north.org OX-F Rich Client

52north.org OX-F Rich Client  Future steps: –SOS mobile support –Support of the SES specification as soon as it has reached a stable state –Closer coupling to releases of the SWE services

52north.org Thin-Clients  Web based client for accessing –SOS versions: and –SAS version:  SOS client –Time series display – Based on Dojo (framework for generating diagrams)  SAS client –Definition of simple alert conditions –Submission of subscriptions

52north.org Thin-Clients

52north.org Thin-Clients  SOS –Currently analysis of charting frameworks/concepts  improve the performance –Analysis of ways for allowing also a cartographic displays (e.g. using Open Layers)  SAS –Allow more complex alert conditions –Advancing the client implementation to support the SES as soon as the specification is stable  Important discussion topic

52north.org ArcGIS Adapter  Adapter allowing to access a SOS  Features and latest observations are stored within a personal geodatabase  Allows to retrieve data from a SOS and to use it for further work and analysis within ArcGIS  Provides links to the time series display web client  First prototype available  Next steps –Advance the prototype to a state that can be published –Improve the interoperability

52north.org uDig Plug-In  uDig  Open Source GIS based on Eclipse  Plug-In allows to load data from a SOS and to integrate this data as a new layer  Current version is compatible to the SOS version  Retrieval of all features and observations from a SOS  Future Steps: –Advance the implementation to a release –Implement temporal filtering –Facilitate the installation

52north.org Google Maps Display  Display of sensor positions including the measured phenomena  Link to thin SOS client  Future Steps: –Enhance the display in order to show the latest observed values

52north.org Google Maps Display

52north.org SWEcurity

52north.org SWEcurity  Controls access to SOS instances  Uses the components of the 52N Security community  Powerful mechanisms for user based access control  Future Steps –Support further SWE services –OWS-6

52north.org Incubation

52north.org Sensor Instance Registry  Discover sensors based on –Spatial criteria –Temporal criteria –Thematic criteria  Basic support of semantic concepts  Discover not only the sensors but also the SWE services through which they can be accessed  Harvesting of necessary metadata  But also: Handle the status of sensors –Sensor positions (  in most cases this is a status property) –Battery state –...

52north.org Sensor Instance Registry  SIR interface consists of two parts: –Discovery Discover which sensors provide a requested type of information Discover which SWE services provide a requested type of information Discover which SWE services make a given sensor accessible or controllable –Sensor status handling Requesting the status of a specific sensor Requesting the status of all sensors which match certain criteria Subscription to sensor status information Insertion of sensor status information by sensor providers  More than catalogue functionality

52north.org Sensor Instance Registry

52north.org Sensor Instance Registry  Future steps: –Align to the OGC Catalogue specification –Improve the harvesting mechanisms –Integrate temporal indices

52north.org Sensor Observable Registry  Manage the definitions and semantics of observables  Extend the search capabilities of the SIR  e.g. fuzzy search  Functionality –Handling references to definitions of phenomena/observables –Retrieving the definition of a given phenomenon –Retrieving the semantically related phenomena of a given phenomenon –Retrieving a list of all known phenomena

52north.org Sensor Observable Registry  Currently the implementation is starting  Future steps: –Allow the definition of semantic relationships that are of interest –Advance to a stable version

52north.org Home Weather Station System

52north.org Home Weather Station System  Practical demonstration of the SWE components  Use case that can be understood by a large audience  Using a SOS for collecting the home weather station data  Development of a bridge for connecting a weather station to the system  Future Steps: –

52north.org Home Weather Station System

52north.org Home Weather Station System  Web based client:

52north.org Sensor World  Framework for simulating sensor networks  Developed within OSIRIS  Aims at –Testing of SWE services in connection with complex, potentially autonomous sensor networks –Evaluating sensor network organization models  Message based architecture (JMS)

52north.org Sensor World  Comprises simulation components for –Phenomena –Sensor behavior –Sensor communication  Adapter to connect to –SOS –SPS

52north.org Thank you!