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A flock is a list of Flockrs as generated by means of a proximity function.

The list changes dynamically as the input to the proximity function changes (e.g. because of buddies joining, leaving, updating their profile, being added or deleted).

In other words, while the proximity function can be regarded as an “intensional” representation of a group of friends, the flock is the “extensional” representation of that group. For example, if f is a flock of “all of my friends who are older than 25” (an intensional description), and the friend list is “[Alice (26), Bob (22), Carol (24)]”, then the flock contains only Alice (an extensional representation of the group)

uf/flock.1220599021.txt.gz · Last modified: 2008/09/12 15:31 by tvcutsem
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