Benjamin Han Donna Gates Lori S. Levin Anchoring Temporal Expressions in Scheduling-related Emails. 2005 conf/dagstuhl/2005P5151 Annotating, Extracting and Reasoning about Time and Events http://drops.dagstuhl.de/opus/volltexte/2005/316 db/conf/dagstuhl/P5151.html#HanGL05