Bellekens, P.A.E. wrote: > The link to the PDF is: > > monetdb.cwi.nl/Assets/m5manual.pdf > > There (if you search on 'rdf') you find a picture in which RDF is mentioned > as input. Although I do not exactly know what the context there is.
As you may see from the picture, the RDF box is dashed, since is still not there... > Cheers and good luck, > Pieter Thank you Pieter, Marco > -----Original Message----- > From: Marco Antonelli [mailto:[EMAIL PROTECTED] > Sent: woensdag 9 april 2008 15:56 > To: Bellekens, P.A.E. > Cc: [email protected] > Subject: Re: [Monetdb-developers] RDF > > Hello Pieter, > > I'm the master thesis student who started the SPARQL front-end for > MonerDB this January. > > Bellekens, P.A.E. ha scritto: >> Dear MonetDB developers, >> >> I have a question related to RDF. >> In you PDF online, I see that it is possible to import RDF in the MonetDB >> system, >> although there is not much further information concerning RDF input. > > may you send a link to the PDF? > >> Could you please inform me a bit more about: >> - is it possible to upload RDF data? > > Actually it is possible to import and export RDF in MonetDB, but this > functionality will be under heavy development starting from the next week. > If you want to get a look at the code, the import-export functions are > defined in MonetDB5/src/modules/mal/rdf.mx. > It is not compiled by default, to getting it compiled you have to modify > the Makefile.ag file in the same directory, then run 'bootstrap', > 'configure', 'make' and 'make install'. > >> - is there any kind of RDF specific querying? > > Still not, the SPARQL compiler is under development too > >> - is it possible to run MonetDB as a backend in a triple store like for >> example in Sesame? > > Not at the moment, but MonetDB will be a backend for Sesame in the next > future > >> - is there any performance measuring done for RDF querying? >> It is known that column stores have a good performance (c-store benchmarks) >> for RDF data as well... > > Lefteris and Romulo can answer you on these topics more in detail than me > Anyway MonetDB/SQL performed well in querying RDF data :) > > Best regards, > Marco Antonelli > >> With kind regards, >> Pieter >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by the 2008 JavaOne(SM) Conference >> Don't miss this year's exciting event. There's still time to save $100. >> Use priority code J8TL2D2. >> http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone >> _______________________________________________ >> Monetdb-developers mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/monetdb-developers > > No virus found in this incoming message. > Checked by AVG. > Version: 7.5.519 / Virus Database: 269.22.11/1368 - Release Date: 9-4-2008 > 16:20 > > > No virus found in this outgoing message. > Checked by AVG. > Version: 7.5.519 / Virus Database: 269.22.11/1368 - Release Date: 9-4-2008 > 16:20 > ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Monetdb-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/monetdb-developers
