The Web within the Web "All these new protocols, SOAP in particular, took years to develop. Indeed, they're still works in progress, in part because contributing companies want to receive patent royalties or just don't want a competitor to control a standard. Those same concerns sabotaged two earlier transport mechanisms, one from the Unix world and one invented by Microsoft. "
"Although Web services allow a machine to publish its data, making it available to another machine, the two have to agree on the structure of the data they are publishing. In the semantic Web, this sort of agreement will be largely unnecessary. "