Do you have it inn GITHUB, can it be shared? Best, Ravion
On Sep 7, 2016 3:19 PM, "Paul Tyson" <phty...@sbcglobal.net> wrote: > I wrote my own R2RML converter using Jena lib. It seemed cheapest and > easiest at the time (a few years ago). I have not surveyed current > offerings in this space. > > Best, > --Paul > > > On Sep 7, 2016, at 14:13, Martynas Jusevičius <marty...@graphity.org> > wrote: > > > > Paul, > > > > What are you using for R2RML? > > > > Ontop looks promising: http://ontop.inf.unibz.it/ > > > >> On Wed, Sep 7, 2016 at 9:11 PM, Paul Tyson <phty...@sbcglobal.net> > wrote: > >> Yes, I am using R2RML to convert 4 big PLM DBs into RDF, load in Jena > TDB and serve via fuseki for data mashups and inconsistency reports. Works > very well. > >> > >> Best, > >> --Paul > >> > >>> On Sep 7, 2016, at 13:39, Martynas Jusevičius <marty...@graphity.org> > wrote: > >>> > >>> I think R2RML and GRDDL could be of interest to you: > >>> https://www.w3.org/TR/r2rml/ > >>> https://www.w3.org/TR/grddl/ > >>> > >>> On Wed, Sep 7, 2016 at 8:00 PM, ☼ R Nair (रविशंकर नायर) > >>> <ravishankar.n...@gmail.com> wrote: > >>>> Agree, the question is whether an RDF can be created out of the data > from > >>>> multiple data sources and use it for semantic correlation. That would > turn > >>>> the world round. In my organization, there are at least a PB of data > lying > >>>> in disparate sources, untapped because , they are legacy and none > knows the > >>>> relationships until explored manually. If Jean is not, any > suggestions to > >>>> manage this? Thanks > >>>> > >>>> Best, Ravion > >>>> > >>>> On Sep 7, 2016 1:55 PM, "A. Soroka" <aj...@virginia.edu> wrote: > >>>> > >>>> Jena is an RDF framework-- it's not really designed to integrate SQL > >>>> databases. Are you sure you are using the right product? Does your > use case > >>>> involve a good deal of RDF processing? > >>>> > >>>> --- > >>>> A. Soroka > >>>> The University of Virginia Library > >>>> > >>>>>> On Sep 7, 2016, at 1:43 PM, ☼ R Nair (रविशंकर नायर) < > >>>>> ravishankar.n...@gmail.com> wrote: > >>>>> > >>>>> All, > >>>>> > >>>>> I am new to Jena. I would like to query two databases, mysql and > Oracle. > >>>>> Assume that there are similar columns in both. For example MYSQL > contains > >>>> a > >>>>> table EMP with ENAME column. Oracle contains, say, DEPT table with > >>>>> EMPLOYEENAME column. What are the steps if I want Jena to find out > ENAME > >>>> of > >>>>> MYSQL is same as EMPLOYEENAME column of Oracle, ( and so can be > joined). > >>>> Is > >>>>> this possible, at least to get an output saying both columns are > similar? > >>>>> If so, how, thanks and appreciate your help. > >>>>> > >>>>> Best, Ravion > >> > >
