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Question Answering for Portuguese: How Much Is Needed?

  • Rodrigo Wilkens
  • Aline Villavicencio
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6404)

Abstract

The task of a Question Answering (QA) system is to automatically answer a question in natural language, searching for information in a given data source, such as structured databases or unstructured natural language documents. In this paper we investigate how much is needed in terms of tools and resources for a QA system for Brazilian Portuguese. In particular we assess the impact of shallow and deep methods and the contribution of different tools and resources in terms of the performance of the system in the task. We argue that a combination of deep and shallow strategies results in optimal performance, but that shallow methods alone may already give adequate results.

Keywords

Question Answering Document Retrieval Question Analysis Candidate Answer Edge Supplier 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Rodrigo Wilkens
    • 1
  • Aline Villavicencio
    • 1
    • 2
  1. 1.Institute of InformaticsFederal University of Rio Grande do SulBrazil
  2. 2.Department of Computer SciencesBath UniversityUK

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