Add to ORKGAbstract The popularity of personal digital cameras and online photo/video sharing com-munity has lead to an explosion of multimedia information. Unlike traditional multimedia data, many new multimedia datasets are organized in a structural way, incorporating rich information such as semantic ontology, social interac-tion, community media, geographical maps, in addition to the multimedia con-tents by themselves. Studies of such structured multimedia data have resulted in a new research area, which is referred to as Multimedia Information Networks (MINet). MINets are closely related to social networks, but especially focus on understanding the topics and semantics of the multimedia files in the context of network structure. This chapter revi...