1570-8705/$ see front matter 2012 Elsevier B.V. All rights reserved. http://dx.doi.org/10.1016/j.adhoc.2012.11.002 ⇑ Corresponding author at: Department of Electronic and Electrical Engineering, University College London, London, UK. E-mail addresses: [email protected] (F. Qin), [email protected]. ac.uk (X. Dai), [email protected] (J.E. Mitchell). Fei Qin a,b,⇑, Xuewu Dai , John E. Mitchell b

We isolate here a wide class of well founded orders called tame orders, and show that each such order of cardinality at most κ can be realized as the Mitchell order on a measurable cardinal κ, from a consistency assumption weaker than o(κ) = κ+.

We present a novel approach to concept learning in which a coevolutionary genetic algorithm is applied to the construction of an immune system whose antibodies can discriminate between examples and counterexamples of a given concept. This approach is more general than traditional symbolic approaches to concept learning and can be applied in situations where preclassiied training examples are no...

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