To find Paul Barker who works in a science department of a London university
in England, you might type the following:

person>       barker
department>   science
organisation> london 
country>      england

There are several matches for london, each tagged by a number.  E.g.
    1 Brunel University
    2 University College London

Type 2 at the prompt for an ORGANISATION to select "University College London"
There are several matches for science, each tagged by a number. E.g.
      1 Computer Science
      2 Faculty of Life Sciences
      
Type 1 at the prompt for a DEPARTMENT to select	"Computer Science" and the 
query will now complete and display information about the person required.
