We consider a social network from which one observes not only network structure (i.e., nodes and edges) but also a set of labels (or tags, keywords) for each node (or user). These labels are self-created and closely related to the user's career status, life style, personal interests, and many...

Limestone or quicklime is a necessary flux in the iron ore sintering process. Its production and application process will cause CO2 emissions and various environmental pollution, but this has not attracted enough attention. Carbide slag (CS) is a calcium-rich solid waste produced in acetylene...