On the transformation of sentences with genitive relations to SQL queries

Zsolt T. Kardkovács, Domonkos Tikk

Research output: Contribution to journalArticle

3 Citations (Scopus)


The genitive relation is one of the most complex semantic structures, since it could express wide range of different connection types between entities, even in a single language. Thus, transformation of its syntactic form to a formal computer language is far from clear. In the last decade, several natural language database interfaces (NLIDBs) have been proposed, however, a detailed or a general description of this problem is still missing in the literature. In this paper, we present a general solution for translating genitive phrases into SQL queries which contains both language dependent and language independent parts. Our solution is optimized and tested for Hungarian, however, most of the work can be easily adopted for other languages as well.

Original languageEnglish
Pages (from-to)406-416
Number of pages11
JournalData and Knowledge Engineering
Issue number3
Publication statusPublished - Jun 1 2007


  • Deep web
  • Genitive (possessive) relations
  • Heterogeneous databases
  • Natural language interfaces to databases
  • Natural language processing
  • Question answering systems

ASJC Scopus subject areas

  • Information Systems and Management

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