Thanks alot Stian, These are very helpful. best wishes, khalid
On 11 April 2016 at 17:30, Stian Soiland-Reyes <[email protected]> wrote: > Hi! > > (Folks, Khalid help do lots of work on research object, wfprov and > wfdesc which we use in taverna-language and > taverna-engine/taverna-prov) > > On 11 April 2016 at 15:17, Khalid Belhajjame <[email protected]> > wrote: > > I would like to enquiry about some of the current features of Taverna. I > > have an answer for most of the question, but I would like to know the > status > > with respect to the current version (2.5) of Taverna. I will be grateful > if > > you could take the time to answer them. > > > > 1- In the current version of Taverna (2.5), I can see that the provenance > > can be saved as PROV, but not as OPM. I am guessing that OPM export was > > deprecated. Let me know if I am wrong. Regarding the PROV export, you are > > using TavernaProv isn’t it? If so, do you have TavernaProv documented > > somewhere? I would like to see how it compares to wfprov. > > > Yes, you are correct in that the OPM export was deprecated in 2.5 - it > was also less in match with what was happening in the workflow so it > was rather removed. > > TavernaProv became part of Taverna from 2.5. Documentation and example > here: > > https://github.com/apache/incubator-taverna-engine/tree/master/taverna-prov > > (It's not yet fully integrated into Taverna 3) > > > TavernaProv is basically wfprov+prov+taverna - you will see that > everything is stated both with pure prov and in wfprov - which often > provides shortcuts. For details such as at which iteration something > happened you have to use the tavernaprov aspects - which also adds a > cnt:chars for embedding smaller values, and checksums like > tavernaprov:sha512. > > > > 2- Are there any utilities/means that help users to either deploy > workflows > > on the cloud or call services/use resource on the cloud? I remember the > work > > of Sonja with Unicore. Is there any other work that was conducted on this > > front? > > A bit related - we have a GSOC student working on Docker: > > https://issues.apache.org/jira/browse/TAVERNA-879 > > As for actually managing cloud instances or grid jobs I am not aware > of any current initiatives. Perhaps Dmitry or Vadim Surpin knows of > something? > > I think the http://www.vph-dare.eu/ project is using VPH Share and > local Grid infrastructure via Taverna Server - but I'm not sure of the > details. > > > > 3- is the CWL used somehow to allow for the exchange of workflow > > specifications between workflow systems? > > > In CWL we are discussing how we can use wfprov and some aspects of > tavernaprov. See > > https://github.com/common-workflow-language/common-workflow-language/issues/84 > > > We are working on CWL support in Apache Taverna this summer - we might > get three Google Summer Of Code students this year: > > https://cwiki.apache.org/confluence/display/TAVERNADEV/2016-03+GSOC+2016 > > And I will pick up some work here as well for http://bioexcel.eu/ - my > use case is to use CWL and Docker with Open PHACTS and > Taverna/Galaxy/Knime - with deployment on the EGI grid/cloud: > > http://slides.com/soilandreyes/2016-02-11-bioexcel-use-case-open-phacts > > > > 4-Is there anything that has been done in relation to initiatives such as > > iPython? > > > I think Alan might know about iPython and Jupyter.. Not sure if > anything was done since this: > > > http://www.taverna.org.uk/2014/05/20/calling-taverna-workflows-from-ipython-notebook/ > > Does the Taverna Player still support iPython in such a way? > > > -- > Stian Soiland-Reyes > Apache Taverna (incubating), Apache Commons RDF (incubating) > http://orcid.org/0000-0001-9842-9718 >
