- From: Andrew Newman <andrewfnewman@gmail.com>
- Date: Thu, 27 Mar 2008 10:51:03 +1000
- To: "Arjohn Kampman" <arjohn.kampman@aduna-software.com>
- Cc: "public-rdf-dawg-comments@w3.org" <public-rdf-dawg-comments@w3.org>
On 27/03/2008, Andrew Newman <andrewfnewman@gmail.com> wrote: > On 26/03/2008, Arjohn Kampman <arjohn.kampman@aduna-software.com> wrote: > It's hard to draw them but here it is in full: > A normal tuple: {{SNO, SNAME}, {{SNO=1, SNAME="Fred"}, {SNO=2, SNAME="Bill"}}} > Table DUM: {{}, {}} > Table DEE: {{}, {0}} > Just to continue the analogue is SPARQL to compare it with relations without attributes. SPARQL binding: ({?sno=1, ?sname="Fred"}, {?sno=2, ?sname="Bill}) Relation: {{SNO=1, SNAME="Fred"}, {SNO=2, SNAME="Bill"}} SPARQL no bindings: () TABLE_DUM: {{}} SPARQL empty bindings: ({}) TABLE_DEE: {{0}}
Received on Thursday, 27 March 2008 00:51:39 UTC