Examples of Mashups

IBM's QED Wiki
Yahoo Pipes
Google Mashup Editor
Microsoft's Popfly

Semantics identified by Web services community

• data (I/O)
• functional (behavioral)
• nonfunctional (QoS, policy)
• execution (runtime, infrastructure, exceptions)

Semantic Annocation of Web Services

• hREST
• SA-REST

Mashups available on the Web

• ProgrammableWeb
• APIHut