2 results about "Backpropagation" patented technology

The present invention claims a user behavior prediction system and method for multi-message interaction under hot topics, and belongs to the field of social network analysis. The technical scheme is characterized in that: the multi-message impact mechanism, including internal impact factors and external impact factors, is proposed; a BP (error BackPropagation) neural network with highly self-learning and adaptive capability, and the characteristics being capable of fully approximating arbitrary complex nonlinear relationships is taken into account, and the neural network is used to construct auser participation behavior prediction model; the simulated annealing algorithm is used to solve the problem of the local minimum of the BP algorithm, so as to ensure the stability and accuracy of the algorithm; and a multi-message correlation indicator is defined to measure the strength of interaction among multiple messages, and to more accurately characterize the impact of topics on the user participation behavior.