@article{paperid:1071761, author = {Zarrinkalam, Fattane and Kahani, Mohsen and Ebrahim Bagheri}, title = {User interest prediction over future unobserved topics on social networks}, journal = {Information Retrieval Journal}, year = {2018}, volume = {22}, month = {July}, issn = {1386-4564}, pages = {93--128}, numpages = {35}, keywords = {User modeling; User interest prediction; Wikipedia category hierarchy; Twitter}, }