Particle swarm optimization(PSO) imitating birds flocks looking for food finding food,is used to find the best solution through the particle flying and complete the optimal process.Information recommen dation service is an important task of digital library.This article applies multiple objective particle swarm optimization algorithm to cluster simultaneously the Similarity between users and itemsusers,and pro videsthe users with the best information recommendation service.Experimental results in MovieLensdata sets show that our approach can provide...
