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Or use alternative 3: - GET/POST to server up an RDF/S document (with some mime type). (Or in addition to the SOAP route). Cheers Tod... On Fri, 2003-01-10 at 08:39, Wagner,Harry wrote: > Dear WG Members, > I've had an opportunity to evaluate the Apache Axis project > (http://xml.apache.org/axis/index.html) recently. Axis is a Web services > toolkit built on SOAP, and appears to be a good fit for our phase 2 > application interface. There are numerous advantages to building on this > type of toolkit: > > - It is flexible, providing support for SOAP 1.1, parts of 1.2 (will > eventually support all of 1.2) and SOAP with attachments > - It greatly simplifies implementing Web services > - It would enable us to expose much of the already written phase 1 code as > Web services > - It understands WSDL and simplifies exposing it for all implemented > services (simply append "?wsdl" to the end of the service name). WSDL, for > those not familiar with it, is an XML language for describing Web services. > It is important because it can be used to generate client stubs, and is what > makes the implemented service protocol neutral (by removing the need for > clients to understand SOAP). > > Some issues that need considered: > > - The long-standing issue of how to send RDF using SOAP in a way that is > meaningful to the client. This problem is well documented in > http://www-106.ibm.com/developerworks/webservices/library/ws-soaprdf/. The > options boil down to sending the data as XML, or sending it as raw RDF (in > the form of a big text literal). Sending it as XML seems the more useful > approach since it would be useful in that form to XML applications. RDF > applications could still create statements from it, with some effort on > their part. > - How to document the services. Businesses do this using well-known UDDI > registries. Do we do the same? Do we create our own? > > Your comments and suggestions are welcome. I would especially like to hear > from anyone who has experience with Axis. > > Best Regards, > Harry Wagner > OCLC / DCMI > Dublin, OH 43017 > (614) 761-5178 > mailto:[log in to unmask] -- Tod Matola <[log in to unmask]>