Anaphora Resolution: Theory and Practice

NLB: The Model• (Discard most of the centering machinery.)• One construct: The list of salient discourse entities (S-list).• Two operations on the S-list:1. Incremental update: Insertion of discourse entities;2. Periodic elimination of discourse entites: Removing of discourse entitieswhich are not realized in the immediately preceding elimination unit.• S-list describes the attentional state of the hearer at any given point inprocessing a discourse.• Order among elements of the S-list directly provides preferences forinterpretation of pronouns.