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In this paper we propose an approach to implementing new semantic based crossover operators in Tree-Adjoining Grammar Guided Genetic Programming (TAG3P). The design of the new crossover operators is based on the non-fixed arity (also called feasibility) property of TAG-based representation in TAG3P. The new operators are then tested on a family of benchmark symbolic regression problems and compared...
Locality has long been seen as a crucial property for the efficiency of Evolutionary Algorithms in general, and Genetic Programming (GP) in particular. A number of studies investigating the effects of locality in GP can be found in the literature. The majority of the previous research on locality focuses on syntactic aspects, and operator semantic locality has not been thoroughly tested. In this paper,...
The Gaussian Q-function is of great importance in the field of communications, where the noise is often characterized by the Gaussian distribution. However, no simple exact closed form of the Q-function is known. Consequently, a number of approximations have been proposed over the past several decades. In this paper, we use Genetic Programming with semantic based crossover to approximate the Q-function...
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