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SUMMARY:Evaluating Centering for Information Ordering using Corpora - Niki
 foros Karamanis\, University of Cambridge
DTSTART:20061117T120000Z
DTEND:20061117T130000Z
UID:TALK5905@talks.cam.ac.uk
CONTACT:NLIP Seminars
DESCRIPTION:\nIn this talk\, I will motivate the use of Centering-based me
 trics of coherence for information ordering in automatic text production a
 nd discusses how a wide range of such metrics can be defined on the basis 
 of the existing Centering literature. Then\, I will estimate empirically w
 hich is the most promising metric and how useful this metric is using a no
 vel and general methodology applied on several corpora.\n\nThe main result
  is that the simplest metric (and most remote to Centering) sets a baselin
 e that cannot be overtaken by other metrics which make use of more Centeri
 ng-specific concepts. This simple\, yet robust\, baseline can be used by b
 oth text-to-text and concept-to-text practitioners for interim evaluation 
 during system development.
LOCATION:SW01 Computer Laboratory
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