Hi Dawid
All of your requests are feasible and Alan gave an interesting reply.
In the case of WPS it was easier to generate a proper WSDL and let
Taverna deal with it, but for other services WMS/WCS/WFS/SOS the only
solution is to build a Taverna plugin. New OGC standards (e.g: WCS 2.0)
are more WSDL friendly.
Jorge
On 19/03/12 22:49, Dawid Nejman wrote:
> Hello everyone.
>
> I am writing because I am writing my thesis about orchestration of
> geospatial (OGC) web services. For some time I was going through
> available literature and I have become more and more interested in
> Taverna.
>
> What I would like to do is to dynamically create a workflow consisting
> of OGC web services, execute it and get results. Although, there are
> several issues along the way. First of them is the fact that OGC web
> services (WPS, WMS, WFS, SOS) are not described by WSDL. This is
> because of their nature. There was one work done in this field by
> Plymouth Marine Laboratory, who used WPS services
> with automatically generated WSDL. Then they have used Taverna to make
> a workflow with such services. I was thinking about developing plugins
> to give a native support for OGC services I need like OpenGIS Sensor
> Observation Service. If I could develop those plugins, then from what
> I have read, it would be possible to create workflows dynamically
> using SCUFL language and executing them on Taverna server.
>
> Is above scenario possible? Above all, is it possible to develop
> plugin to make Taverna use OGC services like SOS, WMS or WFS (just
> like it now uses BioMoby, BioMart and SoapLab services) without WSDL?
> I have spend only some time on my research and I would like to avoid
> time wasted on problems I could avoid.
>
> Sorry for my language and thank you for your answer :)
>
> Regards,
> Dawid
>
>
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