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Contextual reference of noun phrases in PLINIUS. Part II. (English)
Prague Bull. Math. Linguist. 62, 47-72 (1994).
Summary: Contextual reference solution appears crucial in the process of discourse analysis in Plinius, the aim of which is to integrate the contents of individual sentences from an input text in order to construct representation of the contents of the input text as a whole in terms of the Plinius ontology knowledge base. \$\medskip \$Essential to contextual reference resolution is assumption of contextual relationships among referring expressions in the Plinius discourse. This assumption is possible due to the properties of discourse coherence and cohesion. The former means that a text as a whole makes sense as for the grammatical, semantic and pragmatic relations between its constituents, while the latter reflects the property of surface connectedness among the constituents within (a portion of) text. Plinius discourse exhibits coherence and cohesion to a high degree. Therefore, we can assume contextual relationships between referring expressions, and thus also contextual reference in the Plinius discourse. \$\medskip \$Contextual reference resolution applies to the output of the Plinius parser. \$\medskip \$For every sentence from the input text, the Plinius parser yields a feature structure that represents the contents of the sentence. Then, the results of parsing become encoded into Quasi Logical Form (QLF) adopted into Plinius. \$\medskip \$Contextual reference resolution applied to the QLF involves derivation of discourse entities with respect to the Plinius KB and recovering gcontextual relationships.
Classification: D.3.4