Social network is a structure of human relations and association. It is made up of a organized social actors in a network form. Information has varied number of forms and various purposes for communication. Journals serve as major source of primary information.The topics were divided into categories, such as Algorithm, Data mining, Database, Artificial Intelligence, Clinical, Medical Imaging, Image Processing, Biomedical Informatics, Image Processing, and Telemedicine, which happens to be a little exercise around the topic modeling. The problem of extracting from the huge dataset for author article relationship with appropriate classifier with best accuracy was considered by carrying out the experiment in this chapter.