@article{RNTI/papers/1002431, author = {Sami Belkacem and Kamel Boukhalfa and Omar Boussaid}, title = {Leveraging expertise in news feeds: A Twitter case study}, journal = {Revue des Nouvelles Technologies de l'Information}, volume = {Business Intelligence & Big Data, RNTI-B-14}, year = {2018}, pages = {1-16} }