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A German Natural Language Interface for Semantic Search

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Semantic Technology (JIST 2012)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 7774))

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Abstract

Semantic data is the key for an efficient information retrieval. It relies on a well-defined structure and enables automated processing. Therefore, more and more ontologies are specified, extended and interlinked. By now, only the query language SPARQL provides a precise access to semantic data. Since most common users are overstrained in formulating queries, which satisfy the structure of semantic data, more search-interface approaches emerge aiming at good usability and correct answers. We implemented a Natural Language Interface (NLI), that answers questions formulated in German natural language. In order to query the domain ontology, the user query is translated into SPARQL first. Since domain-ontology resources are required for the SPARQL-query formulation, this paper introduces an approach for the identification of resources in user query. We show a path-based identification of semantically similar resources and a similarity measure. After running 100 test questions, our system achieves a precision and recall of 66%.

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Author information

Authors and Affiliations

  1. University of Applied Sciences RheinMain, Germany

    Irina Deines & Dirk Krechel

Authors
  1. Irina Deines
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  2. Dirk Krechel
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Editor information

Editors and Affiliations

  1. National Institute of Informatics, Tokyo, Japan

    Hideaki Takeda

  2. Nanjing University, China

    Yuzhong Qu

  3. Japan Advanced Institute of Science and Technology, Ishikawa, Japan

    Riichiro Mizoguchi

  4. Osaka University, Japan

    Yoshinobu Kitamura

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Deines, I., Krechel, D. (2013). A German Natural Language Interface for Semantic Search. In: Takeda, H., Qu, Y., Mizoguchi, R., Kitamura, Y. (eds) Semantic Technology. JIST 2012. Lecture Notes in Computer Science, vol 7774. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37996-3_19

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  • DOI: https://doi.org/10.1007/978-3-642-37996-3_19

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-37995-6

  • Online ISBN: 978-3-642-37996-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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