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Coreference in Russian Oral Movie Retellings (the Experience of Coreference Relations Annotation in “Russian CliPS ” corpus)
The work deals with adapting the Russian coreference corpus RuCor annotation system (used for written Russian) to the corpus of Russian oral narratives from the Russian Clinical Pear Stories Corpus (Russian CliPS) (Khudyakova et al., 2016). Russian CLiPS is a corpus of Russian “Pear stories” movie (Chafe, 1980) retellings in clinical populations as compared to neurologically healthy people. The analysis deals with 11 texts by healthy people and 9 texts by people with various types of aphasia. The focus is on the specificity of reference choice in oral retellings and the parameters to be used for the annotation procedure to register deviations in referential choice in spoken discourse as compared to the written one. The specific features for annotation of referential choice in clinical populations are also under discussion. The main claims are as follows. Certain types of speech disfluencies should be integrated into the coreference annotation scheme. These are noun phrases, which are repetitions of a previous referent mention, referent renaming, or name correction. Such occurrences can influence the referent activation; on the other hand, they could shed some light on the process of the referential expression choice. The NP morphosyntactic structure and zero-anaphora should have more granulated set of features for coreference devices, as they are more diverse in spoken discourse. Moreover, certain structures, such as adjectives postposition etc. and some types of zeros are characteristic of referential expressions in spoken discourse.