Basic HTML version of Foils prepared July 9 99

Foil 56 Collaboration I

From Distance Education: How to do it DoD HPC Modernization Users Group Tutorial Monterey California, ACM Java Grande San Francisco, EDMEDIA Seattle -- June 7 99, June 14 99, June 20 99. by Geoffrey C. Fox
1 Collaboration implies sharing of electronic objects and is needed in asynchronous and synchronous modes
2 Asynchronous mode is
  • shared web pages and documents
  • electronic mail
3 Notification and linkage service
  • one associates with each group activity a "magic ID" (barcode or unique JINI identification)
  • every digital object associated with this activity registers itself when it comes on line with some registry (registry can be distributed). A given object may have multiple barcodes attached to it
  • Either users or Portals (PSE's) register interest in certain barcodes
  • The (Portal) event service notifies registered observers when a digital object of interest becomes available
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