Show navigation5.3 Web Service Choreography5.3.1 Introduction5.3.2 Asymmetric Choreography with Atom Feeds5.3.3 Symmetric Choreography5.3.4 URLs5.3.5 Personalising the Feed5.3.6 Web Server Set-up and Authentication5.3.7 Identifying Web Service Callers Without Authentication5.3.8 Web Service Commands