- From: Lee Feigenbaum <feigenbl@us.ibm.com>
- Date: Tue, 19 Jun 2007 22:01:25 -0400
- To: Harry Halpin <hhalpin@ibiblio.org>
- Cc: public-grddl-wg <public-grddl-wg@w3.org>
Harry Halpin <hhalpin@ibiblio.org> wrote on 06/19/2007 09:10:13 PM: > This query still works, but it's a bit funky as it seems to produce > rather repetitive output. I vaguely remember Lee Feigenbaum having a > clever (if somewhat underhanded) fix for this at our tutorial in > WWW2007, but I cannot find record of it anywhere. LeeF? The problem is > that there are too many of the "same" results being produced by SPARQL: > > Here's the query: > http://www.w3.org/2001/sw/grddl-wg/doc29/schedulequery.rq This is what I found in #swig history: [23:01] LeeF: FILTER ( xs:string(?summ1) <= xs:string(?summ2) ). FILTER ( xs:string(?summ2) <= xs:string(?summ3) ). Lee > > Also, the 3 repeating FILTERS are ugly for a tutorial but I can see no > way around. > > The results are (using ARQ): > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > | start1 | stop1 | > loc1 > | > summ1 > | summ2 | > summ3 > | > ========================================================================================================================================================================================================================================================================================================================================================================= > | "2007-01-08" | "2007-01-11" | "Edinburgh, > UK" | "pick up > a lifetime\n achievement award from the Web Design Conference" | > "Web Design Conference"@en | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> | > | "2007-01-08" | "2007-01-11" | "Edinburgh, > UK" | "pick up > a lifetime\n achievement award from the Web Design Conference" | > "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> > | "Web Design > Conference"@en | > | "2007-01-08"^^xs:date | "2007-01-11"^^xs:date | "Edinburgh, > UK"@en | "Web > Design Conference"@en > | "pick up a lifetime\n achievement award from the Web Design > Conference" | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> | > | "2007-01-08"^^xs:date | "2007-01-11"^^xs:date | "Edinburgh, > UK"@en | "Web > Design Conference"@en > | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> > | "pick up a lifetime\n achievement award from the Web Design > Conference" | > | "2007-01-08"^^xs:date | "2007-01-11"^^xs:date | "Edinburgh, > UK"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> > | "pick up a lifetime\n achievement award from the Web Design > Conference" | "Web Design > Conference"@en | > | "2007-01-08"^^xs:date | "2007-01-11"^^xs:date | "Edinburgh, > UK"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> > | "Web Design Conference"@en | "pick up a > lifetime\n achievement award from the Web Design Conference" | > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > It would be better for the results just to be one row, not six, as users > may run this at home and get confused, as in: > > | "2007-01-08"^^xs:date | "2007-01-11"^^xs:date | "Edinburgh, > UK"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> | "Web > Conference"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> > | "Web Design Conference"@en | "pick up a > lifetime\n achievement award from the Web Design Conference" | > > -- > -harry > > Harry Halpin, University of Edinburgh > http://www.ibiblio.org/hhalpin 6B522426 >
Received on Wednesday, 20 June 2007 02:01:39 UTC