...context.
An alternative approach to the generation of comparisons is provided in PEBA-II. In ILEX, comparisons are to be produced spontaneously where the system judges they are appropriate; while in PEBA-II, they must be asked for by the user. The two systems differ in terms of which participant is in control of decisions about the information provided; for more discussion on this subject see Sections 3.4 and 3.5.

...Co.
Here, some content is successfully replaced with a backward pointer; however, repetition is still rampant because of the primitive templates (see Section 3.1).

...he
Throughout, we use he to refer to a human seeking information, and she to refer to a system providing information.

Mick O'Donnell
Mon Feb 12 17:01:45 GMT 1996