Content Selection
Knowledge base of facts
- details about objects in gallery, artists, styles, etc.
- obtained from NL processing of database
- and interviews with staff
Knowledge base?
- Knowledge structured formally inside computer
- e.g. set of first order logic facts or Prolog program
ILEX uses specialist knowledge formalism
- main data structure called “text potential”
- graph containing nodes representing objects, facts, and relations between facts
- facts to be told selected by graph traversal