Knowledge discovery of network public opinion in the concept of smart city

The construction of independent smart city has brought unprecedented challenges for the management of urban network public opinion in China. This paper describes the concept of smart city, summarizes the features of network public opinion in the concept of smart city, organizes the typical database-based and big data-based knowledge discovery, analyzes the impact of network public opinion on knowledge discovery, obtains preliminary results of knowledge discovery features in network public opinion, initially explores two effective models for knowledge discovery of network public opinion in the concept of smart city, and puts forward three algorithms for different aspects of knowledge discovery process of network public opinion.