Purpose To ensure the safety of electric power supply, it is necessary to inspect substation equipment. With the dramatic increase in the number of substations, especially indoor substations, intelligent robot inspection has become an important development direction. This paper aims to describe...

Because air traffic control efficiency can be largely increased by means of group, the aircraft grouping problem was studied based on improved divisive hierarchical clustering algorithm (DHCA). The concepts of position similarity, velocity similarity and heading similarity were defined and the...

Online customer reviews are an important type of user-generated content, through which consumers share their experiences with products and services in order to help others make informed purchasing decisions. In this article, we discuss the goals of online customer reviews and develop practical,...