Riolo, Rick L. - Santa Fe Institute - 1997
represented as (i,q,q) triples as in [Nowak and May, 1992]. The tags are represented as arbitrary real numbers in [0,1], and tag … selection is biased toward agents with similar tags. Each agent plays a small sample of other agents each generation. The … individuals playing the IPD. Over a fairly broad range of conditions, populations that use tags attain significantly higher levels …