Who/what is metadata for?

• Used by
  • human agents (owner, user/researcher, 3rd party services)
  • software agents (e.g. aggregators, portals, brokers)
• Different “flavours” of metadata serve different purposes
  • simple, generic vs. rich, specific
  • published widely vs. shared within community vs. used by resource owner/manager
• Created by
  • software tools (resource creation tools, indexing robots/web crawlers)
  • human agents (resource creator/owner, other parties)

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