About Problems With Coreference
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DOI: http://doi.org/10.26333/sts.xxviii.17

The aim of the paper is the presentation of some problems occurring during coreference annotation. Such an analysis was performed for the project CORE – Computer-based methods for coreference resolution in Polish texts (managed by Maciej Ogrodniczuk). The project’s main goal was to create innovative methods and tools for automated anaphora and coreference resolution in Polish texts.

The main problem with the coreference resolution in the Polish language arose due to several reasons. On the pragmatic and semantic level it wasn’t easy to decide if there was an identity or just a similarity between two different objects. Another problem was the lack of specific knowledge which made it a very hard task for the annotator to see the coreference between phrases in some highly specialist texts. On the grammatical level, some properties of the Polish language made the annotation difficult. There are no definite and indefinite articles in Polish, therefore it was very hard to determine if the speaker had meant always the same object or just different specimens belonging to the same class. Also, long subject-less sentences presented some problems with defining the coreference chains between analyzed phrases.

PDF (Polski)


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