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Functional Dependency Grammar

Functional Dependency Grammar



Intro to Functional Dependency Grammars.

Intro to Functional Dependency Grammars.



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    Functional Dependency Grammar Functional Dependency Grammar Presentation Transcript

    • Functional Dependency Grammars Claudiu Mih ăilă Faculty of Computer Science “ Al.I. Cuza” University of Ia şi
    • History
      • Lucien Tesnière (1959). Éléments de syntaxe structurale . Éditions Klincksieck, Paris.
      • Igor Mel‘čuk (1987). Dependency Syntax: Theory and Practice. State University of New York Press, Albany.
      • Hans Jiirgen Heringer (1993). Dependency syntax - basic ideas and the classical model. In Syntax - An International Handbook of Contemporary Research, volume 1, chapter 12, Walter de Gruyter, Berlin - New York.
    • Dependency vs. constituency
      • Constituency = Phrase Structure
        • Insists on classification and distribution (taxonomy)
      • Dependency
        • Emphasises the relations between syntactic units, thus adding meaningful links (semantics)
    • Example N Joan V said Pr whatever N John V likes V decide V suits Pr her Inf to S VP VP VP VP S S S
    • Example to InfMark John N Sg Joan N Sg her Pr Acc Sg3 decide Inf likes V Fin Sg3 suits V Fin Sg3 said V Fin whatever Pr WH obj obj obj obj subj subj subj infmark
    • Example
      • Joan said whatever John likes to decide suits her.
    • Examples
      • Ambiguous:
        • Astronomers saw stars with ears.
        • I saw a man in the garden with a telescope.
        • Time flies like an arrow.
    • FDG parsers
      • Connexor’s Machinese
        • Syntax: English, Finnish, French, German, Spanish, Swedish
        • Demo
      • Link Grammar
        • Demo
    • FDG parsers
      • For Romanian
        • Mihaela C ă l ă cean and Joakim Nivre (2009). A Data-Driven Dependency Parser for Romanian . In Proceedings the Seventh International Workshop on Treebanks and Linguistic Theories, 65-76.
        • Violeta Seretan, Eric Wehrli, Luka Nerima, Gabriela Soare (2010). FipsRomanian: Towards a Romanian Version of the Fips Syntactic Parser . LREC 2010.
    • Questions?
    • Thank you!