The classes teamwork:Tag & teamwork:tag don't return any results. The class
teamwork:Change returns some results but getting the actual change details
is depending on those blank nodes (ex:
<@8c7d6ecd-b8cf-44e6-9b4a-cfc3e60974d9>, Please check the attached
screenshot). Actually what I am trying to do is that I updated a
node/class(Antarctica) in the taxonomy(Geography Taxonomy) and trying to
get the change log for that.
*SPARQLs:*
1) SELECT *
WHERE {
GRAPH <urn:x-evn-master:geo.tch>
{
?tag a teamwork:Tag .
?tag ?tagp ?tago .
}
}
Output: No results
2) SELECT *
WHERE {
GRAPH <urn:x-evn-master:geo.tch>
{
?tag a teamwork:Tag .
?change teamwork:tag ?tag .
?change a teamwork:Change .
?change ?chgp ?chgo .
}
}
Output: No results
3)SELECT *
WHERE {
GRAPH <urn:x-evn-master:geo.tch>
{
?change a teamwork:Change .
?change ?chgp ?chgo .
}
}
Output: Returns some results.
Thanks,
Sanjeev
On Friday, September 3, 2021 at 8:37:50 PM UTC+5:30 David Price wrote:
> Sounds like those are blank nodes (i.e. anonymous).
>
> Start with something more focused like
>
> ?tag a teamwork:Tag .
> ?tag ?tagp ?tago .
>
> and then
>
> ?tag a teamwork:Tag .
> ?change teamwork:tag ?tag .
> ?change a teamwork:Change .
> ?change ?chgp ?chgo .
>
> and see what’s related to the tag (i.e. workflow) and individual changes.
>
> Cheers,
> David
>
> On 3 Sep 2021, at 15:50, [email protected] <[email protected]>
> wrote:
>
> Thanks David for your response.
>
> When I run the above SPARQL then I see some values under Subject/Object
> column as <@118b602b-d663-4152-ac2c-628d36c9e2d6>. What kind/type of values
> are those? Why am I asking is that when I use them in another SPARQL(as
> below) then no results are returned. May be I am referring/using to them in
> a wrong way. Could you please give an example on this?
>
> SELECT *
> WHERE {
> GRAPH <urn:x-evn-master:geo.tch>
> {
> <@118b602b-d663-4152-ac2c-628d36c9e2d6> ?p ?o .
> }
> }
>
> Thanks,
> Sanjeev
>
> On Friday, September 3, 2021 at 5:04:37 PM UTC+5:30 David Price wrote:
>
>> The change history graph can be queried using SPARQL. The graph name is
>> is the EDG identier for the graph plus .tch (e.g.
>> urn:x-evn-master:my_schema.tch ).
>>
>> SELECT *
>> WHERE {
>> GRAPH <urn:x-evn-master: my_schema.tch >
>> { ?s ?p ?o . }
>> }
>>
>> will find everything and from their you can see the data available to
>> query.
>>
>> The key classes are teamwork:Tag and teamwork:Change and the link between
>> them is ?change teamwork:tag ?tag .
>>
>> The link to actual changes made is via ?change teamwork:added ?added .
>> and ?change teamwork:deleted ?deleted .
>>
>> Make a SPARQL query to deliver whatever you need based on those, and then
>> save your SPARQL query which will make a service available via an HTTP link.
>>
>> Cheers,
>> David
>>
>> On 3 Sep 2021, at 10:46, [email protected] <[email protected]>
>> wrote:
>>
>> Hi,
>> We are looking to generate reports on change history of a taxonomy
>> from TopBraid EDG. I see that there is a view(please check the attachment)
>> in EDG that shows change history of the taxonomy. Now my question is that
>> is there an out of box service to fetch those change history details or
>> could you please share the SPARQL/GraphQL that is used for the "Change
>> History" view in EDG UI? Could some one please help?
>>
>> Thanks,
>> Sanjeev
>>
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>> .
>> <Change History.PNG>
>>
>>
>> UK +44 (0) 7788 561308 <+44%207788%20561308>
>> US +1 (336) 283-0808 <(336)%20283-0808>
>>
>>
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