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Web service and Semantic Web

• From: URAMOTO Naohiko <uramoto@t...>
• To: xml-dev@l...
• Date: Fri, 29 Dec 2000 22:54:21 +0900

Hi all,

Web service (based on SOAP, WSDL, UDDI, etc.) and Semantic Web aim same goal:
making the Web machine-tractable.
But, to me, they are based on different approaches:

Web Service:
The Web is a set of software components (methods) 
No inference
Ontology
We can find services from open directories such as UDDI
Digital signature is used for integrity and non-repudiation

Semantic Web:
The Web is a set of assertions
Inference
Ontology
(How we can find assertions?)
Digital signature is used for qualifying assertions (I think it is not corre
ct use of digital signature...)

What is the relationship between them? 
Are they completely different things? or similar but supported by different 
communities?

Regards,
Naohiko
Naohiko URAMOTO
uramoto@t..., uramoto@j...
Tokyo Research Laboratory, IBM Research, and
National Institute of Informatics

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