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Enhanced Croatian Sentence Parser: NooJ 2010 Komotini Study

This study presents an improved parser for simple Croatian sentences, focusing on nominal predicates, coordination, examples, measures, and explanations. The parser was refined by Kristina Vučković, Božo Bekavac, Zdravko Dovedan from the University of Zagreb.

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Enhanced Croatian Sentence Parser: NooJ 2010 Komotini Study

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  1. Improved Parser for Simple Croatian Sentences Kristina Vučković, Božo Bekavac, Zdravko Dovedan University of Zagreb, Faculty of Humanities and Social Science {kvuckovi, bbekavac,zdovedan}@ffzg.hr NooJ2010Komotini NooJ2010Komotini 1/22

  2. if there is a nominal predicate if the <NP> node is a coordination made of 2 or more <NP>’s of different gender ex. The child was very smart. -> The child was ->was very smart. Last Year’s Problems Solved • ex. • The boy and a girl were very smart. ->The boy and a girl =><NP+p+m> NooJ2010Komotini 2/12

  3. Nominal Predicate • simple <NP> • single noun • He is a boy. • complex <NP> • single noun + any number of adjectives, pronouns, numerals proceeding and agreeing with the noun in number, gender and case • He is my young friend. • single pronoun • He is mine. • single adjective • He is young. • single numeral • He is the first. • adverb • He is great. redefined <NP> <(PRO|A|M)*N> <(PRO|A|M)*PRO> <(PRO|A|M)*A> <(PRO|A)*M> NooJ2010Komotini 3/12

  4. NooJ2010Komotini 4/12

  5. Examples • Pravda i opraštanje sudvatemeljnastupa mira. • Justice and forgiveness are two main pillars of peace. • Cijene suizuetno povoljne. • Prices are extremely affordable. • To jeizvrsno. • This is great. NooJ2010Komotini 5/12

  6. Measures and Explanations Precision: Recall: 72,72 69,56 <to be,VP> <NP+Nom>=Adjective same form as <VP+Passive> Knjiga je napisana… The book is written… Napisana knjiga je … The written book is… NooJ2010Komotini 6/12

  7. Coordination of multiple <NP> nodes • all <NP> are in the same gender • <NP+f<NP+fjabuka>, <NP+fkruška> i <NP+fšljiva>> • an apple, a pear and a plum • combination of masculine and feminine <NP> • <NP+m<NP+fjabuka>, <NP+fkruška> i <NP+mananas>> • an apple, a pear and a pineapple • combination of masculine and neutral <NP> • <NP+m<NP+mananas> i <NP+ndijete>> • a pineapple and a child • combination of neutral and feminine <NP> • <NP+m<NP+fjabuka> i <NP+ndijete>> • an apple and a child NooJ2010Komotini 7/12

  8. Coordination of two or more proper nouns <NP+m > <NP+m > <NP+m> <NP+m> Last Names only <NP+m> su otišli <NP+f> su otišle <NP+m> su otišli • <NP+mZagreb> i <NP+mDubrovnik> • <NP+mZagreb> i <NP+fBarcelona> • <NP+mTin Ujdur> i <NP+mFilip Kocijan> • <NP+fEma Ujdur> i <NP+mFilip Kocijan> • <NP+mUjdur> i <NP+mKocijan> • <NP+fUjdur> i <NP+fKocijan> • <NP+fUjdur> i <NP+mKocijan> NooJ2010Komotini 8/12

  9. NooJ2010Komotini 9/12

  10. Example of concordance NooJ2010Komotini 10/12

  11. Measures Precision: Recall: 100 90 NooJ2010Komotini 11/12

  12. Thank you for your attention. NooJ2010Komotini 12/12

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