@ARTICLE{Zheng2018a, author = {Wenjie Zheng and Aur\'elien Bellet and Patrick Gallinari}, title = {{A} {D}istributed {F}rank-{W}olfe {F}ramework for {L}earning {L}ow-{R}ank {M}atrices with the {T}race {N}orm}, journal = {Machine Learning}, year = {2018}, volume = {107}, number = {8--10}, pages = {1457--1475} }