@inproceedings { moreira11, booktitle = {Progress in Artificial Intelligence, 15th Portuguese Conference on Artificial Intelligence}, journal = {Lecture Notes in Computer Science, Progress in Artificial Intelligence}, pages = {431-445}, publisher = {Springer}, title = {Learning to Rank for Expert Search in Digital Libraries of Academic Publications}, volume = {7026}, year = {2011}, author = {Catarina Moreira and Pável Calado and Bruno Martins} }