This page describes criterias for creating an evaluation corpus for a document and ontology-based information system.

== Requirements ==

These are basic requirements

  * '''document corpus''' 
   * single domain
   * different lengths (pages)
   * different types (news ticker, article, book, website)
   * at least 100 documents
   * different creation dates (time aware)
  * ''' domain ontology '''
   * describes the domain of the ''' document corpus '''
   * contains taxonomy of classes
   * contains taxonomy of possible relations between classes
   * allows creation of complex but speaking queries
  * ''' instance base '''
   * contains annotations of document corpus
   * high density of relations between instances
   * high and uniform covering of classes and relations