Analysis and reference resolution of bridge anaphora across different text genres

Authors:
Iris Hendrickx;Orphée De Clercq;Veronique Hoste
Affiliations:
Centro de Linguística da, Universidade de Lisboa, Lisboa, Portugal;LT3, School of Translation Studies, University College, Ghent, Belgium;LT3, School of Translation Studies, University College, Ghent, Belgium
Venue:
DAARC'11 Proceedings of the 8th international conference on Anaphora Processing and Applications
Year:
2011

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Abstract

We discuss bridge relations in Dutch between two textual referents across six different text genres. After briefly presenting the annotation guidelines and inter-annotation agreement results, we conduct an in-depth manual analysis of the different types of bridge relations found in our data sets. This analysis reveals that for all genres bridging references stand mostly in a class relationship, which is exactly the kind of information represented in a WordNet hierarchy. This inspired us to investigate to what extent a standard coreference resolution system for Dutch is capable of resolving bridge relations across different text genres and study the effect of adding semantic features encoding WordNet information. Our results reveal modest improvements when using Dutch WordNet LCS information for all but one genre.