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Suggestions / New Virus Paradigm
« on: April 25, 2006, 06:41:28 PM »
What I really also like is the possiblity of a bot being infected by another bot. As in getting sick, bacteria, whatever. Num already talked about this "engulfing".
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Picking the patch of DNA that's longest isn't exactly biologically equivelant. In biology, it's the gene that's pushing harder: ie: copying more proteins than the other recessive gene, that's produced.
I don't think it's a bad idea necessarily, but I'm not sure I want to be selecting for genome length. Problems with viruses comes to mind.
The even bigger change in my opinion from Tierra to Avida was that each organism got their own memory address space and thus took the first steps towards phenotypic abstraction. In Tierra, like Core Wars, all the organims inhabited the same address space and genotypes interacted directly without any intermediate abstractions such as a body. There as no morphology. The genotype and the phneotype were pretty much the same. Avida took steps towards a phenotype abstraction by seperating the address spaces and providing true virtyual machines for each entity and any interaction was via abstractions though the focus is mostly about externally defined fitness tests (makes for more quantiative measurments of fitness and hence cleaner papers) and not evolving abitrary fitness by having morphs compete in a simulated environment for limited resources.
DB is even father ahead on separating genotype and phentotype though a lot of things things like viruses and memory shots and refsysvars still operate directly upon the geneotype.