The main aim of this work is to study the application of automatic anaphora or co-reference resolution techniques to Question Answering (QA) systems. Moreover, this chapter includes an overview of anaphora problem, a summary of approaches to anaphora resolution in Natural Language Processing and an analysis of their effectiveness and applicability to QA tasks. This work is complemented with a detailed study of current QA computational systems that apply this kind of techniques and a full evaluation for measuring the effects on QA systems performance when the information that is referenced by pronominal anaphora in documents is not ignored.
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Vicedo, J.L., Ferrández, A. (2008). Coreference In Q&A. In: Strzalkowski, T., Harabagiu, S.M. (eds) Advances in Open Domain Question Answering. Text, Speech and Language Technology, vol 32. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4746-6_3
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