Re: [Virtuoso-users] Reification alternative

2010-10-13 Thread Ivan Mikhailov
are _really_ complicated there. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Wed, 2010-10-13 at 12:57 -0300, Aldo Bucchi wrote: Hi Mirko, Here's a tip that is a bit software bound but it may prove useful to keep it in mind. Virtuoso's Quad Store

Re: [Virtuoso-users] Reification alternative

2010-10-13 Thread Ivan Mikhailov
--- 1 if function creates a small result set with human-friendly status report ) Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com P.S. As shown by Google, WMD is more popular variant of abbreviation than MDW and, ironically, WMD also stands for World Movement

Re: Subjects as Literals

2010-07-06 Thread Ivan Mikhailov
implementations at the CR time, the discussion is just for fun. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: Subjects as Literals

2010-07-06 Thread Ivan Mikhailov
and without any stamp. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com [2] Jacopo Urbani, Spyros Kotoulas, Jason Maassen, Frank van Harmelen, and Henri Bal. OWL reasoning with WebPIE: calculating the closure of 100 billion triples in the proceedings of ESWC 2010.

Re: RDF and its discontents

2010-07-05 Thread Ivan Mikhailov
, not as a whole. Can't it be a slogan for the semweb activity? Step by step, no promises of silver bullets, with attention to benchmarks and legacy interfaces/protocols and existing data sources etc. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-02 Thread Ivan Mikhailov
-as-literals, there's a straightforward way of serializing data as SPARQL fragments. Note that in this way not only subjects-as-literals are available, but even SPARQL 1.1 features like path expressions or for each X expressed as ?X in an appropriate place of an appropriate BGP. Best Regards, Ivan

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-02 Thread Ivan Mikhailov
or a detailed history of round Earth and Columbus then ping me and I'll write a page at ESW wiki. Best Regards, Ivan Mikhailov OpenLink Virtuoso http://virtuoso.openlinksw.com

Re: DBpedia hosting burden

2010-04-15 Thread Ivan Mikhailov
as it is possible, even if I should lose some ill triples together with some limited number of proper triples around them (GIGO mode, for Garbage In Garbage Out). Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: [semanticweb] ANN: DBpedia 3.5 released

2010-04-14 Thread Ivan Mikhailov
. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: [semanticweb] ANN: DBpedia 3.5 released

2010-04-14 Thread Ivan Mikhailov
to Kingsley, stating reason for this request etc. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: DBpedia hosting burden

2010-04-14 Thread Ivan Mikhailov
of requests). Crawlers and mobile apps will not migrate to local copies, but some complicated queries will go away from the bottleneck server and that would be good enough. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com

Re: Berlin SPARQL Benchmark V2 - Results for Sesame, Virtuoso, Jena TDB, D2R Server, and MySQL

2008-09-23 Thread Ivan Mikhailov
will be able to load BSBM data as RDF and query them via SPARQL web service endpoint; thus we will masquerade the relational storage entirely. Best Regards, Ivan Mikhailov, OpenLink Software http://virtuoso.openlinksw.com

RE: BSBM With Triples and Mapped Relational Data in Virtuoso

2008-08-10 Thread Ivan Mikhailov
and actual lists of passed parameters. Yes, that sort of check will add extra syntax (or extra pragmas) to the language, making queries less compact, but I prefer to type few more chars if this will result in accurate diagnostics of a protocol error in a distributed system. Best Regards, Ivan