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