Evolutionary Computation Glossary

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BUILDING BLOCK:

(EC) A small, tightly clustered group of GENEs which have co-evolved in such a way that their introduction into any CHROMOSOME will be likely to give increased FITNESS to that chromosome.

The "building block hypothesis" [GOLD89] states that GAs find solutions by first finding as many BUILDING BLOCKs as possible, and then combining them together to give the highest fitness.

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Hitch Hiker's Guide to Evolutionary Computation, Issue 7.4, released 18 January 2000
Copyright © 1993-2000 by J. Heitkötter and D. Beasley, all rights reserved.