- From: David Martin <martin@AI.SRI.COM>
- Date: Tue, 27 Nov 2001 11:26:36 -0800
- To: "Dickinson, Ian J" <Ian_Dickinson@hp.com>
- CC: "'www-ws@w3c.org'" <www-ws@w3c.org>
Ian - Your question is kind of hard to answer - for one thing, I notice that some of the documents that that particular URL data back about a month, and it's hard to remember how much has changed in that particular span of time. That URL was never intended for public browsing, and thus hasn't been maintained consistently. I doubt if there's anything on that URL that's actually misleading - but there may be some things that are hard to follow because they hadn't yet been described/explained adequately. Anyway, here is an announcement about the upcoming release, which will be " published" in the next version of "HotDAML newsletter", which will be available on www.daml.org. I hope this will help answer your question: A new version, version 0.6, of DAML-S (DAML for Services) is scheduled for release on December 5, 2001. Version 0.6 will include a number of refinements to the Service Profile and Process Model. The Service Profile is used to concisely represent the service, in terms of capabilities, service provider information, and operational parameters (e.g. cost-of-use, quality- of-service parameters, etc), and advertise the service, with Web Service Registries or other service indexing schemes. Improvements over DAML-S 0.5 include: clarification and simplification of capability description parameters (i.e. inputs, outputs, preconditions and effects), and a tighter integration with the process model, as well as refinements necessary to facilitate automatic service discovery through Matchmaking. The process model provides a declarative description of the programs or processes that realize a Web service. In version 0.6, the process model has been modified to comprise three subclasses: AtomicProcess, SimpleProcess, and CompositeProcess, and some new properties have been added to characterize the relationships between processes of these different types. Among the other significant changes, the model allows for conditions on outputs and effects of all processes, and for computed inputs, outputs, effects, and preconditions associated with composite processes. It also includes a simplification of the representation of composite processes, that facilitates composite process encoding and manipulation. The services ontology includes three major subdivisions, those dealing with profiles, process models, and groundings. Looking further ahead, version 1.0 will be released when work on groundings has been completed. This promises to tie DAML-S in with emerging industry service description languages such as WSDL. DAML-S release 0.6 will be made available at http://www.daml.org/services/. Regards, -- David "Dickinson, Ian J" wrote: > Thanks for the clarification, David. I was only following a pointer given > to me by the original requestor. Is much likely to change in the draft > before the public release? > > Cheers, > Ian > > > -----Original Message----- > > From: David Martin [mailto:martin@ai.sri.com] > > Sent: 27 November 2001 15:08 > > To: Dickinson, Ian J > > Cc: 'www-ws@w3c.org' > > Subject: Re: DAML-S 0.6: use of classes vs instances > > > > > > Ian - > > > > Thanks for your interest and excellent questions about > > DAML-S. I don't > > have time at this moment to address your questions, but I or another > > member of the DAML-S team will do so shortly. > > > > However, I'd like to hasten to point out that the URL you're > > looking at > > does *NOT* contain a release of DAML-S, but rather contains working > > drafts of V 0.6 material that will be released on December 5 > > (and these > > are not necessarily the latest drafts)! > > > > The 0.6 version will be made available here, on December 5: > > > > http://www.daml.org/services/ > > > > (and 0.5 is, of course, already available there). > > > > Regards, > > > > -- David Martin
Received on Tuesday, 27 November 2001 14:30:23 UTC