WSDL - the W3C Standard
The "Web Services Description Language" is
W3C web services standard
widely used in industry.
XML-based
A "WSDL Service" is actually a package of
operations
,
each one of which is an atomic web service.
Each operation has a specified
input
and
output
message.
The messages use types of things that are specified in XML schemas:
simple ontologies with a class structure.
Example Operation
<operation name="GetLastTradePrice">
<input message="tns:GetLastTradePriceInput"/>
<output message="tns:GetLastTradePriceOutput"/>
</operation>
©2012
Charles Petrie
- permission to reproduce widely with attribution.
