@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
}