@InProceedings{WDSW12, author = {Y. Wang and M. Dylla and M. Spaniol and G. Weikum}, title = {Coupling {L}abel {P}ropagation and {C}onstraints for {T}emporal {F}act {E}xtraction}, booktitle = {Proceedings of the $50^{th}$ {A}nnual {M}eeting of the {A}ssociation for {C}omputational {L}inguistics, {J}eju, {R}epublic of {K}orea, {J}uly 8-14, 2012}, pages = 233-237, year = 2012 }