Push EDG Data Changes to External Triple Store

[Fan Li]

I am looking for suggestions on how to synchronize EDG data (ontology, taxonomy, and reference data) with an external triple store. More specifically how to push changes from EDG to the triple store. My use case is similar to Daniel's

https://groups.google.com/forum/#!searchin/topbraid-users/triple$20store|sort:date/topbraid-users/qqQm2qy0Vh8/nmxzIVIGEAAJ

In that thread, Irene made the following comment:

Today, EDG can offer a solution where data is located in its repository as well as in another triple store. Using EDG Data Platform (replication server - https://www.topquadrant.com/technology/topbraid-data-platform/), changes in the data in EDG will be automatically synchronized (pushed) to an external triple store as micro transactions. 

However I am confused by the Data Platform documentation as it appears to focus on data synchronization among EDG servers, although I can see the RDF Patch methodology is certainly applicable to updating other triple stores.

https://doc.topquadrant.com/6.3/data-platform/

Could you please point me to the right direction? Ideally I wish it could be done without Data Platform which is not covered in our EDG license. Thanks!

[Holger Knublauch]

All regular edits trigger the execution of teamwork:EditRules. So you could implement a batch exporter to take a current snapshot and produce external triples from it (e.g. using SPARQL Update), and then do an EditRule that writes the delta of each change, again as a SPARQL Update. Note that SPARQL Update will not preserve blank node identifiers across graphs.

Holger

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[Fan Li]

Hello Holger, thanks for your response. Is there documentation I can follow? I don't have experience customizing EDG. Thanks!

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[Holger Knublauch]

This would be a start

https://doc.topquadrant.com/6.3/developer-guide/#DeveloperGuide-AddingEvent-Condition-ActionsRules

but there is other more basic technology documentation (SWP etc) that you may need to read first to get this done.

Holger

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[Irene Polikoff]

Documentation on using EditRule is available here https://doc.topquadrant.com/6.3/developer-guide/#Adding_Event-Condition-Actions_Rules

However, if you have no experience customizing EDG and have not yet leaned about or done any SWP scripting, this would be a significant learning curve. I would recommend training and/or premium support to help you get started.

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