- From: Tuukka Ruotsalo <turuotsa@cc.jyu.fi>
- Date: Thu, 9 Sep 2004 19:18:16 +0300 (EEST)
- To: Mark Baker <distobj@acm.org>
- cc: public-sws-ig@w3.org
On Thu, 9 Sep 2004, Mark Baker wrote: > > On Thu, Sep 09, 2004 at 03:33:15PM +0200, jean-michel nougayrede wrote: > > > > For example there is a web service A which sells a product P and > > > > then connect to another web service B in order to ship the product P. > > > > But the web service A doesn't know the web service B which can do > > > > the shipping. The web service A searches on the web in order to find > > > > one, and when it finds one, it uses it. > > > > But the problem is that the web service A doesn't know what are the > > > > functions to be called and with which arguments and in which order. > > > > > > It would make sense to use the WDSL description of the service. > > > > > > > I don't understand how we can automatize an execution of a web service with > > a WSDL description because I don't understand how a web service can > > understand a WSDL file. > It depends weither you need to search a web for a service or search a pre agreed (virtual organizational) model in form of ontology to find the correct services. Ontology acts as a intermediate providing a rich sematics (proven computable model) providing a common understanding of how services act. This means that the definition of web is what is called a semantic web ;A decentralized model of rich semantics (in form of OWL(-S)) that a web service is grounded to. Best Rergards, Tuukka Ruotsalo
Received on Thursday, 9 September 2004 16:19:19 UTC