- From: Hongbing Wang <hbw@seu.edu.cn>
- Date: Sun, 18 Nov 2007 14:03:56 +0800
- To: ÓàÓ¨ <cdyuying@gmail.com>
- Cc: <public-sws-ig@w3.org>
Hi, The Service requester should invoke the composite process. Best, Hongbing ----- Original Message ----- From: "ÓàÓ¨" <cdyuying@gmail.com> To: <public-sws-ig@w3.org> Sent: Monday, November 12, 2007 4:57 PM Subject: [?? Probable Spam] How to understand a composite process in OWL-S ? > > Hi, I have a question about understanding a composite process in OWL-S. > > Supposed that a composite processes is composed of some atomic processes. > If a service requester wants to use the composite process, what should servcie requester do? > 1. Service requester only invokes the composite process? > 2. Servcie requester invokes the atomic processes in certain order? > >>From the examples from Mindswap, e.g. service FindCheaperBook, it seems the fromer. > > But from the examples from OWL-S Colation, e.g. service BravoAir and CongoBuy, it seems the latter. > > Especially in the document "OWL-S: Semantic Markup for Web Services" from OWL-S Colation, it states > in section 5.4 "A composite process is not a behavior a service will do, but a behavior (or set of > behaviors) the client can perform by sending and receiving a series of messages. If the composite > process has an overall effect, then the client must perform the entire process in order to achieve > that effect. We have not yet given a precise specification of what it means to perform a process, > but all we mean is that, e.g., if a composite is a Sequence, then the client sends a series of messages > that invoke every step in order.". > > > Best Regards, > Ying Yu > cdyuying@gmail.com > 2007-11-12 > > > >
Received on Monday, 19 November 2007 01:28:01 UTC