@inproceedings{ijcai2017p123, author = {Robert Bredereck and Andrzej Kaczmarczyk and Rolf Niedermeier}, title = {On Coalitional Manipulation for Multiwinner Elections: Shortlisting}, booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, {IJCAI-17}}, pages = {887--893}, year = {2017}, doi = {10.24963/ijcai.2017/123}, url = {https://doi.org/10.24963/ijcai.2017/123}, }