Finding Good Affinity Patterns for Matchmaking Parties Assignment through Evolutionary Computation
There is a demand to maximize the number of successful couples in matchmaking parties called “Gokon” in Japanese. In this paper, we propose a method to find good affinity patterns between men and women from resulting Gokon matches by encoding their attribute information into solutions and using an evolutionary computation scheme. We also propose a system to assign the best members to Gokons based on the method. To derive good affinity patterns, a specified number of solutions as chromosomes of evolutionary computation (EC) are initially prepared in the system. By feeding back the results of Gokon to the solutions as fitness value of EC, semi-optimal solutions are derived. To realize the proposed system, we need simultaneous search of multiple different good affinity patterns and efficient evaluation of solutions through as small number of Gokons as possible with various attribute members. To meet these challenges, we devise new methods for efficient selection operation inspired by Multi-niches Crowding method and reuse of past Gokon results to evaluate new solutions. To evaluate the system, we used the NMax problem assuming that there would be N good affinity patterns between men and women as a benchmark test. Through computer simulations for N = 12, we confirmed that the proposed system achieves almost twice as many good matches as a conventional method with about half the evaluation times.
KeywordsEvolutionary Computation Matchmaking Party Multi- niches Crowding
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