- From: Hans Teijgeler <hans.teijgeler@quicknet.nl>
- Date: Thu, 5 Jul 2007 13:57:04 +0200
- To: "SW-forum" <semantic-web@w3.org>
- Cc: "Paap, Onno" <onno.paap@gmail.com>
- Message-ID: <000c01c7befb$9e468940$6c7ba8c0@hans>
Hi, We ran into a problem for which I ask advice from this esteemed forum. First some background information: we use the SW technologies in conjunction with a generic data model to create a distributed data base for each engineering project, involving large numbers (in the hundreds) of quad stores per project. To give an example of using a data model "underneath" OWL: normally you may see things like an <owl:Class rdf:ID="Car"/>. For us that would be: <part2:ClassOfInanimatePhysicalObject rdf:ID="Car"/> where ClassOfInanimatePhysicalObject is an entity type in our data model and an owl:Class. If an application has data that must be shared, that data is mapped at the source from its proprietary format to ISO 15926-7 format, and stored in a quad store that we call a "Façade". Only "owned" data are stored, other data a fetched with SPARQL for other Façades. Data can be "handed over" to another Façade, thus also handing over custody for that data. Quad stores that participate in a given project are known to a "CPF" server (Confederation of Participating Façades), where we distrubute SPARQL queries, consolidate query results, whilst controling access rights. For the Façades we use RAP, and want to use the 4th column of their Named Graphs for dividing the quad store into partitions like 'active data', 'archive', and the like. Actually we have nine such partitions, but I won't annoy you with the details. We use URI#fragID's all over the place. The question is how we can dereference any such fragment identifiers inside a particular partition without having to have nine endpoints (which is costly and harder to manage). It would be nice if we could use composite fragment identifiers like URI#partition#fragID, but the second hash # would not be allowed. If we would use something like URI#partition__fragID that would be well-formed, but hardly usable with generic browsers (I guess). Please shed some light on this. Regards, Hans ____________________ OntoConsult Hans Teijgeler ISO 15926 specialist Netherlands +31-72-509 2005 HYPERLINK "blocked::http://www.infowebml.ws/"www.InfowebML.ws HYPERLINK "blocked::mailto:hans.teijgeler@quicknet.nl"hans.teijgeler@quicknet.nl No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.476 / Virus Database: 269.10.0/886 - Release Date: 04-Jul-07 13:40
Received on Thursday, 5 July 2007 11:57:41 UTC