Constrained Semantic Grammar Enabled Question Answering System

  • Dongsheng WangEmail author
  • Shi Wang
  • Weiming Wang
  • Jianhui Fu
  • Yun Dai
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10228)


Restricted domain question answering (QA) system is a hotspot in the natural language processing area. Correct understanding of the users’ intentions is the key to such QA systems while open domain QA can always make use of data redundancy. In this paper, a robust but highly constrained semantic grammar and corresponding matching algorithm are proposed. On the basis of the domain ontology constructed by domain experts, the grammar experts creat the core semantic grammar, which describes patterns of expression about properties of concepts or relationships between concepts in the interested domain. In order to verify the validity of the proposed method, the method is applied to mobile service consulting area, experimental results show that the proposed method has strong practicability as well as maintainability.


Ontology Semantic grammar Question answering Restricted domain 


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Dongsheng Wang
    • 1
    • 2
    Email author
  • Shi Wang
    • 3
  • Weiming Wang
    • 1
  • Jianhui Fu
    • 3
  • Yun Dai
    • 4
  1. 1.Department of Computer Science and EngineeringJiangsu University of Science and TechnologyZhenjiangChina
  2. 2.International WIC InstituteBeijing University of TechnologyBeijingChina
  3. 3.Institute of Computing Technology, Chinese Academy of SciencesBeijingChina
  4. 4.Jiangsu Justice Police Advanced Vocational SchoolZhenjiangChina

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