On 17/03/2011 11:59, Jun Zhao wrote:
> Hi Alex,

Hello Jun,

>>>    From my understanding, the users have really strong provenance and
>>> data management requirements. They want everything to be recorded,
>>> including the code and all the data recorded.
>> We already have a way of recording workflow provenance in Taverna 2.2,
>> and, with the latest patch, you can switch to using the mySQL database
>> instead of the built-in one called Derby.
>
> But I don't believe Taverna is able to record for example the actual
> software code used in the experiment, i.e. archiving the dynamics
> aspects of a workflow run.
>
> The provenance should only be able to record what the Taverna enactor
> can observe.

There is also the possibility that some services may expose provenance 
information that can be combined with that gathered by Taverna. This is 
an area that may be looked at in the eLico project.

[snip]

> It's also very important to allow your group pals to view the data and
> provenance generated by you. A Web-based explorer interface could be a
> preference to many people.

There is a Polish MSc student who has just started looking at the area 
of provenance visualization etc.

>> What we would like to know is what scale are the workflows your users
>> will likely run? Do they deal with large data or large numbers of files?
>> What are the workflows supposed to do?
>
>
> Large amount of data and large data. And they also do some clustering jobs.

Do you have some numbers? What may seem a "large amount of data" in a 
particular domain would be a relatively small amount in another.

[snip]

> Jun

Alan

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