- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Fri, 26 Mar 2010 17:32:24 -0400
- To: Peter Haase <peter.haase@fluidops.com>
- CC: public-lod@w3.org, semantic-web@w3.org
Peter Haase wrote: >> Peter, >> >> Are you able to implement a pattern similar to RelFinder where the >> SPARQL endpoints are configurable? We also do something similar re. our >> iSPARQL tool (i.e., have a list of known endpoints but leave the user >> with option to add others). >> >> I've played around extensively with Pivot (your stuff and ours), so I >> am >> very interested in a loosely coupled solution. >> >> > > Yes, in our system one can define ad hoc federations across multiple SPARQL > endpoints. > However, the performance in such a loosely coupled scenario is - not > surprisingly - orders of magnitude worse than in a centralized scenario, > especially when the queries involve joins across multiple SPARQL endpoints. > We are working on improving this situations as well ;-) > > Regards, > Peter > > > > Peter, As you know, we are working of SPARQL-FED also, and this rat is going to be skinned in a variety of ways courtesy of HTTP and inner DBMS engine workings. For now, is it possible to enable users point to SPARQL endpoints of their choice? Of course, you keep the one that works best for your demo as the default etc.. -- Regards, Kingsley Idehen President & CEO OpenLink Software Web: http://www.openlinksw.com Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca: kidehen
Received on Friday, 26 March 2010 21:32:58 UTC