Mark Diggory wrote: > Most vendors appear to be implementing their own as extensions. > There is "ORDER_BY" in SPARQL. Threads I've read suggest its no so > clean a mapping what a MIN or MAX URI might be, while COUNT should be > fairly straight forward. > > On a side note, I tracked allot of the development of XPath/XSLT and > in that realm, extensions played a heavy part in the evolution of > what functions or aggregates were most popular in the language. XSLT > 1.1 had the EXSLT project (http://www.exslt.org/) defining extensions > like this. Then XSLT 2.0 absorbed them into the standard. > > I think it wise of you to use whatever is most efficient directly on > Sesame this time. > I see. It seems that the OpenLinks folks have already created such an extension to SPARQL http://docs.openlinksw.com/virtuoso/rdfsparqlaggregate.html So there's hope :-)
David _______________________________________________ General mailing list [email protected] http://simile.mit.edu/mailman/listinfo/general
