What will happen if Web services become popular?
  - Each WSD defines a "language" for interacting
 
  - Proliferation of "languages" / terms
 
  - "Babelization" 
 
  <bar:publication_author> 
<bar:Author> 
<foo:DocumentCreator> 
<foo:Pub-Creator> 
<foo:PlaneTicket>
<foo:NonrefundablePlaneTicket>
. . . .
  - Meaning may be same, similar or different