Indiana University Use Cases

IU use cases for fedora triplestore:

1. Title: easy traversal against the triplestore
   
   1. bottom up:
      Story: Given an object, list all the parents of all levels
   2. top down:
      Story: For a collection, we would like to know hierarchical structure of the object,
      event the relationship stored on it's children. would like to know how many children of
      the object and how many grandchildren for each of its children...
   3. statistical information for the objects with particular datastream on repository level:
      Story:for example, we need to know how many items has pdf file for a particular collection.
      
      
2. Title: Support Flexible data model change
   Story: easily insert/delete one layer of the existing object hierarchy.