- From: Birte Glimm <birte.glimm@comlab.ox.ac.uk>
- Date: Sun, 7 Mar 2010 21:45:46 +0000
- To: Chimezie Ogbuji <ogbujic@ccf.org>
- Cc: SPARQL Working Group WG <public-rdf-dawg@w3.org>, Ivan Herman <ivan@w3.org>, Axel Polleres <axel.polleres@deri.org>, Sandro Hawke <sandro@w3.org>
Where my Facebook Like button ;-) Nice to see we are making good progress on RIF. I'll have a look at the document tomorrow and if you have any concrete issues for our teleconf on Wednesday, please let me know. Birte On 7 March 2010 02:32, Chimezie Ogbuji <ogbujic@ccf.org> wrote: > http://www.w3.org/2009/sparql/docs/entailment/gen.html#id21744432 > > It has been fleshed out and I have added various references. There are a > few editorial notes involving the following issues: > > - the 8th condition (C8) of a common-RIF-RDF-interpretation includes the > set-theoretic semantics of rdfs:subClassOf that are also used by the RDFS > Entailment regime > - Embedding a subset of RIF-OWL combinations (OWL 2 RL for instance) as > extensions to this entailment regime (issues of consistency checking, > axiomatic triples and rules) > > Are there examples of RIF Core (normatively) safe rulesets / documents that > use builtins that do not introduce new values into the domain that are > useful as arguments against the finite restrictions? I started by looking at > the extant N3 Logic / CWM builtins but none of them jumped out at me except > the obvious log:semantics, etc. > > A mapping from all the SPARQL builtins to corresponding RIF builtins (beyond > those in the RIF Datatypes and Built-Ins document) could further close the > expressive gap between RIF Core and SPARQL. I think they would all be safe > (and maybe also strongly safe). > > ---------------------- > Chime (chee-meh) Ogbuji (oh-bu-gee) > Heart and Vascular Institute (Clinical Investigations) > Architect / Informatician > Cleveland Clinic (ogbujic@ccf.org) > Ph.D. Student Case Western Reserve University > (chimezie.thomas-ogbuji@case.edu) > > > =================================== > > P Please consider the environment before printing this e-mail > > Cleveland Clinic is ranked one of the top hospitals > in America by U.S.News & World Report (2009). > Visit us online at http://www.clevelandclinic.org for > a complete listing of our services, staff and > locations. > > > Confidentiality Note: This message is intended for use > only by the individual or entity to which it is addressed > and may contain information that is privileged, > confidential, and exempt from disclosure under applicable > law. If the reader of this message is not the intended > recipient or the employee or agent responsible for > delivering the message to the intended recipient, you are > hereby notified that any dissemination, distribution or > copying of this communication is strictly prohibited. If > you have received this communication in error, please > contact the sender immediately and destroy the material in > its entirety, whether electronic or hard copy. Thank you. > > -- Dr. Birte Glimm, Room 306 Computing Laboratory Parks Road Oxford OX1 3QD United Kingdom +44 (0)1865 283529
Received on Sunday, 7 March 2010 21:46:19 UTC