What-are-the-major-differences-between-methodologies-for-mining-heterogeneous-information-networks-and-methods-for-their-homogeneous-counterparts-

Many studies analyze homogeneous information networks, e.g., social networks consisting of friends linked with friends. However, many other applications involve heterogeneous information networks, i.e., networks linking multiple types of object, such as research papers, conference, authors, and topics. What are the major differences between methodologies for mining heterogeneous information networks and methods for their homogeneous counterparts?