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A critical review of PASBio's argument structures for biomedical verbs

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Academic year: 2022

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A critical review of PASBio’s argument structures for biomedical verbs

K. Bretonnel Cohen

Center for Computational Pharmacology U. of Colorado School of Medicine

[email protected]

Lawrence Hunter

Center for Computational Pharmacology U. of Colorado School of Medicine

[email protected]

Abstract

Propositional representations of biomed- ical knowledge are a critical component of most aspects of semantic mining in biomedicine. However, the proper set of propositions has yet to be determined.

Recently, the PASBio project proposed a set of propositions and argument struc- tures for biomedical verbs. This initial set of representations presents an opportunity for evaluating the suitability of predicate- argument structures as a scheme for rep- resenting verbal semantics in the biomed- ical domain. Here, we quantitatively eval- uate several dimensions of the initial PAS- Bio propositional structure repository. We propose a number of metrics and heuris- tics related to arity, role labelling, argu- ment realization, and corpus coverage for evaluating large-scale PAS proposals; ap- ply them to PASBio 1.0; and conclude that PASBio demonstrates the suitability of PAS for representing aspects of the se- mantics of biomedical verbs.

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