Published on March 14, 2014
WPS Orchestration in Taverna Jorge S. Mendes de Jesus Web Processing Service (WPS) technologies for Integrated Assessment Modelling in Urban Areas COST Action: TU0902 – 21-24 Jan 2014, Luxemburg
WhoAmI Programmer, working in Wageningen (NL) @ ISRIC This presentation covers my work @ PML (Plymouth Marine Laboratory)
Project http://netmar.nersc.no/ http://rsg.pml.ac.uk/
Story telling....an uncharted annex... Basically some generic description of SOAP and WSDL support
SOAP, WSDL..and WPS • Have you ever noticed this ?????
SOAP, WSDL..and WPS DANGER, here be dragons
WSDL The Web Services Description Language is an XML-based interface description language that is used for describing the functionality offered by a web service. XML that describes how your web service works , what it accepts and how it communicates.
WSDL Yes, we need to re-invent the wheel....in this case WPS..inside WSDL <definitions> <types> definition of types........ </types> <message> definition of a message.... </message> <portType> definition of a port....... </portType> <binding> definition of a binding.... </binding> <service> defintion of a service <service> </definitions>
SOAP Are you ready to see an execute Process in SOAP???
SOAP Dummy process, adds and subtracts 1 <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"> <soap:Body> <ExecuteProcess_DummyProcess> <datainput1>10</datainput1> <datainput2>20</datainput2> </ExecuteProcess_DummyProcess> </soap:Body> </soap:Envelope> Attr in El name XML blasphemy !!! Totally different from WPS
4-some: PyWPS, WSDL, SOAP and XSLT Warning!!!! Here be translations
4-some: PyWPS, WSDL, SOAP and XSLT DescribeProcess (all) XML Python Code (PyWPS process code) Information Source XSLT
4-some: PyWPS, WSDL, SOAP and XSLT New worlds, new opportunities !!!!! Before the new world......
4-some: PyWPS, WSDL, SOAP and XSLT If you create a PyWPS it will be automatically translate to WSDL....so no extra config.....everything transparent SOAP requests are translated to/from WPS requests/responses Processes splited into sync and async since we need to define a different reply for async (No WSDL overloading)
5-some: PyWPS, WSDL, SOAP, XLST and Taverna Lets give a look at the bioinformatics jungle....
5-some: PyWPS, WSDL, SOAP, XLST and Taverna Having WSDL/SOAP we can run WPS in Taverna....Orchestration
Taverna (http://www.taverna.org.uk/) Examples: Gdalinfo: http://www.myexperiment.org/workflows/2313.html: Watersheed: http://www.myexperiment.org/workflows.2066.html SomeErrors: http://www.myexperiment.org/workflows/2340.html
Children play !!!!! http://rsg.pml.ac.uk/wps/example/index.html
Extensive documentation http://wiki.rsg.pml.ac.uk/pywps/PyWPS
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WPS orchestration using the Taverna ... based on the PyWPS framework using an ... or sent to a Taverna orchestration ...
... like web service orchestration that ... WPS implementation based on the PyWPS framework ... WPS orchestration using the Taverna ...
... integration into Taverna workbench, WPS service orchestration and ... of WPS, PyWPS install and service orchestration ... rsg.pml.ac.uk /index.php ...