Semi Structured Data

data that might not be neatly Structured Data

  • sparse matrix (lots of potential attributes, most instances have values for only a small number of them)
  • often want to add even more attribute types
  • maybe inconsistent schema - data from various uncontrolled sources
  • Document Oriented

Structured Wiki

Triple Store?

Data Store

Kragen Sitaker on variations: Wiki, RDF, Ask Sam, Lotus Agenda (OSAF), XML...

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