15. A system for facilitating computer retrieval of database material comprising: means for selecting subdivisions for the database material means for generating for each of said subdivisions which is to be recovered at least one annotation containing words having a selected annotator determined relationship and being in a language selected from the group of a natural language and an artificial language; means for storing the annotations in a predetermined structured form which retains said selected relationship, the stored annotations being readable by a computer to search for desired annotations and means for adding to stored annotations a connection to corresponding material subdivisions.
18. A system as claimed in claim 15 wherein the annotations for a given subdivision are a collection of one or more questions, assertions and noun phrases.