Domains — the database's venue-derived domains; a paper can count in several

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Topics — the 4 heaviest of 5, each with the papers that count most for it

Methods — techniques the papers use, named apart from their topics