Kadri Hacioglu Ying Chen Benjamin Douglas Automatic Time Expression Labeling for English and Chinese Text. 548-559 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3406&spage=548 2005 conf/cicling/2005 CICLing db/conf/cicling/cicling2005.html#HaciogluCD05