Computer Science – Computation and Language
Scientific paper
1997-04-30
Proceedings of ACL 97 / EACL 97
Computer Science
Computation and Language
LaTeX, 8 pages
Scientific paper
We specify an algorithm that builds up a hierarchy of referential discourse segments from local centering data. The spatial extension and nesting of these discourse segments constrain the reachability of potential antecedents of an anaphoric expression beyond the local level of adjacent center pairs. Thus, the centering model is scaled up to the level of the global referential structure of discourse. An empirical evaluation of the algorithm is supplied.
Hahn Udo
Strube Michael
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