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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

Using the genetic algorithm to generate Lisp source code to solve the prisoner's dilemma  [1987]

Fujiki, C.;

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The genetic algorithm is adapted to manipulate Lisp S-expressions. The traditional genetic operators of crossover, inversion, and mutation are modified for the Lisp domain. The process is tested using the Prisoner's Dilemma. The genetic algorithm produces solutions to the Prisoner's Dilemma as Lisp S-expressions and these results are compared to other published solutions.

From the journal

Genetic algorithms and their applications : proceedings of the second International Conference on Genetic Algorithms : July 28-31, 1987 at the Massachusetts Institute of Technology, Cambridge, MA