A Study of Anaphoric Expressions in Human Produced Scientific Abstracts
نویسنده
چکیده
One of the main reasons for having low quality automatic extracts is the presence of dangling anaphors. This paper analyses the referential expressions in a corpus of human written scientific summaries and tries to identify ways for improving the quality of automatic extracts. By recording the distance between the anaphoric expressions and their referents we noticed that humans do not use an aggregation-like process to avoid the dangling anaphors. The small number of anaphoric pronouns noticed in the summaries suggests that inclusion of a pronominal anaphora resolution module in a summarisation system is not necessary, but one which resolves referential noun phrases should be included given the large number of anaphoric noun phrases. These ideas were reiterated by investigating computer produced extracts.
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