Application Centric Experience (ACE), e.g: Every Application knows the documents it touched. Document Centric Experience (DCE), e.g: Every Document knows the applications that touched it.
Event Centric Experience(ECE): ACE U DCE
The only constant variable on your computer are events. If no events are happening then computer can not be running. An event consists of minimum 5 variables:
1) Timestamp: time of the event 2) Subject: The application 3) Object: The target (Document) 4) Type: Activity (the user does something thus triggers an Event) or Notification(something happens that the user can not control) 5) Predicate: What did the Subject do with the Object, e.g: Modified, Visited, Linked. Deleted, etc…
Zeitgeist tries to tackle this issue by logging, analysing and storing events. To be continued…