a subscription mechanism configured to send a subscription message containing said information file specification to a notification mechanism included within an information provider apparatus comprising {HEAD ~ a server computer} executing {TAIL ~ a server application} 
executing
a subscription mechanism configured to send a subscription message containing said information file specification to a notification mechanism included within an information provider apparatus comprising { HEAD ~ a server computer } executing { TAIL ~ a server application }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL