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GQA: Grammatical Question Answering for RDF Data

  • Elizaveta Zimina
  • Jyrki NummenmaaEmail author
  • Kalervo Järvelin
  • Jaakko Peltonen
  • Kostas Stefanidis
  • Heikki Hyyrö
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 927)

Abstract

Nowadays, we observe a rapid increase in the volume of RDF knowledge bases (KBs) and a need for functionalities that will help users access them in natural language without knowing the features of the KBs and structured query languages, such as SPARQL. This paper introduces Grammatical Question Answering (GQA), a system for answering questions in the English language over DBpedia, which involves parsing of questions by means of Grammatical Framework and further analysis of grammar components. We built an abstract conceptual grammar and a concrete English grammar, so that the system can handle complex syntactic constructions that are in the focus of the SQA2018 challenge. The parses are further analysed and transformed into SPARQL queries that can be used to retrieve the answers for the users’ questions.

Keywords

Grammatical framework DBpedia Question answering SQA 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Elizaveta Zimina
    • 1
  • Jyrki Nummenmaa
    • 1
    Email author
  • Kalervo Järvelin
    • 1
  • Jaakko Peltonen
    • 1
  • Kostas Stefanidis
    • 1
  • Heikki Hyyrö
    • 1
  1. 1.University of TampereTampereFinland

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