It makes strong untested assumptions about bridging anaphora types or relations, limiting it to definite NPs (Poesio and Vieira, 1998;Poesio et al., 2004;Lassalle and Denis, 2011) or to part-of relations between anaphor and antecedent (Poesio et al., 2004;Lassalle and Denis, 2011).
entity coherence can rely on more complex, lexico-semantic, frame or encyclopedic relations than identity.