On 6/13/19 7:55 PM, Stas Malyshev wrote: > Hi! > >> Data living in an RDBMS engine distinct from Virtuoso is handled via the >> engines Virtual Database module i.e., you can build powerful RDF Views >> over ODBC- or JDBC- accessible data using Virtuoso. These view also have >> the option of being materialized etc.. > Yes, but the way the data are stored now is JSON blob within a text > field in MySQL. I do not see how RDF View over ODBC would help it any - > of course Virtuoso would be able to fetch JSON text for a single item, > but then what? We'd need to run queries across millions of items, > fetching and parsing JSON for every one of them every time is > unfeasible. Not to mention this JSON is not an accurate representation > of the RDF data model. So I don't think it is worth spending time in > this direction... I just don't see how any query engine could work with > that storage. > -- Stas Malyshev [email protected]
The point I am trying to make is that Virtuoso can integrate data from external DBMS systems in a variety of ways. ODBC and JDBC are simply APIs for accessing external DBMS systems. What you really need here is a clear project definition and a discussion with us about how it would be implemented. Despite the fact that Virtuoso is a hardcore DBMS, its also a hardcore Data Virtualization platform for handling relations represented in a variety of ways using a plethora of protocols. I am email away if you want to explore this further. -- Regards, Kingsley Idehen Founder & CEO OpenLink Software Home Page: http://www.openlinksw.com Community Support: https://community.openlinksw.com Weblogs (Blogs): Company Blog: https://medium.com/openlink-software-blog Virtuoso Blog: https://medium.com/virtuoso-blog Data Access Drivers Blog: https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers Personal Weblogs (Blogs): Medium Blog: https://medium.com/@kidehen Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/ http://kidehen.blogspot.com Profile Pages: Pinterest: https://www.pinterest.com/kidehen/ Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen Twitter: https://twitter.com/kidehen Google+: https://plus.google.com/+KingsleyIdehen/about LinkedIn: http://www.linkedin.com/in/kidehen Web Identities (WebID): Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
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