Nope, missed that part. That did it though, thanks! Looks like great stuff! Jeff
________________________________ From: Holger Knublauch [mailto:hol...@topquadrant.com] Sent: Thursday, March 26, 2009 3:41 PM To: topbraid-composer-users@googlegroups.com Subject: [tbc-users] Re: SPIN API is now open source Hi Jeff, did you call this at init time: // Initialize system functions and templates SPINModuleRegistry.get().init(); This will load the spl namespace and the functions defined therein, including the system functions such as sp:mul so that the SPIN engine knows that they are abbreviated (e.g. using *). Holger On Mar 26, 2009, at 1:28 PM, Schmitz, Jeffrey A wrote: Hello, I finally got a chance to look through the new SPIN API, and started with trying to run the SPIN rules on the spinsquare ontology. I think I'm pretty close, except it's choking on the line in the spin:rule construct query that uses the multiplication symbol, i.e. LET (?area := (?width * ?height)) . Stepping through the code, I can see that this gets turned into what I would guess must be a property function named sp:mul: LET (?area := sp:mul(?width, ?height)) However, I don't think my execution environment has access to that function and thus the query doesn't return anything. Is there any way I could get this function and make it available to my execution environment, and is that documented anywhere? Or is that not part of the release? Thanks! Jeff -----Original Message----- From: Holger Knublauch [mailto:hol...@topquadrant.com] Sent: Saturday, March 07, 2009 12:38 PM To: topbraid-composer-users@googlegroups.com Subject: [tbc-users] SPIN API is now open source Dear users, we have had several requests from people who would like to integrate SPIN functionality (SPARQL-based constraint checking, inferencing, user-defined functions) into their own applications. In order to encourage the wider adoption of SPIN in the community, we have therefore decided to make the key features of our SPIN implementation open source: http://www.topquadrant.com/topbraid/spin/api/ The SPIN API is built on Jena and provides the following features: * Converters between textual SPARQL syntax and the SPIN RDF Vocabulary * A SPIN-based constraint checking engine (via spin:constraint) * A SPIN-based inferencing engine (via spin:rule and spin:constructor) * Support to execute user-defined SPIN functions using Jena/ARQ * Support to execute user-defined SPIN templates The license has been selected to allow open source projects (from universities etc) to use SPIN without further complications. For closed source users, we offer a commercial license that also provides business users assurance and support. With this policy we hope to encourage researchers to provide their (open source) implementations back to the community to help the SPIN community grow. The SPIN API is currently in beta, and the official 1.0 release is scheduled in conjunction with TopBraid 3.0 in the next few weeks. We appreciate your feedback in the meantime. Kinds regards, Holger --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "TopBraid Composer Users" group. To post to this group, send email to topbraid-composer-users@googlegroups.com To unsubscribe from this group, send email to topbraid-composer-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/topbraid-composer-users?hl=en -~----------~----~----~----~------~----~------~--~---
