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Lexikální asociační míry Extrakce kolokací
dc.contributor.advisorHajič, Jan
dc.creatorPecina, Pavel
dc.date.accessioned2018-11-30T11:11:52Z
dc.date.available2018-11-30T11:11:52Z
dc.date.issued2008
dc.identifier.urihttp://hdl.handle.net/20.500.11956/17706
dc.description.abstractThis thesis is devoted to an empirical study of lexical association measures and their application to collocation extraction. We focus on two-word (bigram) collocations only. We compiled a comprehensive inventory of 82 lexical association measures and present their empirical evaluation on four reference data sets: dependency bigrams from the manually annotated Prague Dependency Treebank, surface bigrams from the same source, instances of surface bigrams from the Czech National Corpus provided with automatically assigned lemmas and part-of-speech tags, and distance verb-noun bigrams from the automatically part-of-speech tagged Swedish Parole corpus. Collocation candidates in the reference data sets were manually annotated and labeled as collocations and non-collocations. The evaluation scheme is based on measuring the quality of ranking collocation candidates according to their chance to form collocations. The methods are compared by precision-recall curves and mean average precision scores adopted from the field of information retrieval. Tests of statistical significance were also performed. Further, we study the possibility of combining lexical association measures and present empirical results of several combination methods that significantly improved the performance in this task. We also propose a model...en_US
dc.languageEnglishcs_CZ
dc.language.isoen_US
dc.publisherUniverzita Karlova, Matematicko-fyzikální fakultacs_CZ
dc.titleLexical Association Measures Collocation Extractionen_US
dc.typedizertační prácecs_CZ
dcterms.created2008
dcterms.dateAccepted2008-09-24
dc.description.departmentÚstav formální a aplikované lingvistikycs_CZ
dc.description.departmentInstitute of Formal and Applied Linguisticsen_US
dc.description.facultyFaculty of Mathematics and Physicsen_US
dc.description.facultyMatematicko-fyzikální fakultacs_CZ
dc.identifier.repId39815
dc.title.translatedLexikální asociační míry Extrakce kolokacícs_CZ
dc.contributor.refereeSemecký, Jiří
dc.contributor.refereeBaldwin, Timothy
dc.identifier.aleph001443374
thesis.degree.namePh.D.
thesis.degree.leveldoktorskécs_CZ
thesis.degree.disciplineMatematická lingvistikacs_CZ
thesis.degree.disciplineMathematical Linguisticsen_US
thesis.degree.programInformaticsen_US
thesis.degree.programInformatikacs_CZ
uk.thesis.typedizertační prácecs_CZ
uk.taxonomy.organization-csMatematicko-fyzikální fakulta::Ústav formální a aplikované lingvistikycs_CZ
uk.taxonomy.organization-enFaculty of Mathematics and Physics::Institute of Formal and Applied Linguisticsen_US
uk.faculty-name.csMatematicko-fyzikální fakultacs_CZ
uk.faculty-name.enFaculty of Mathematics and Physicsen_US
uk.faculty-abbr.csMFFcs_CZ
uk.degree-discipline.csMatematická lingvistikacs_CZ
uk.degree-discipline.enMathematical Linguisticsen_US
uk.degree-program.csInformatikacs_CZ
uk.degree-program.enInformaticsen_US
thesis.grade.csProspěl/acs_CZ
thesis.grade.enPassen_US
uk.abstract.enThis thesis is devoted to an empirical study of lexical association measures and their application to collocation extraction. We focus on two-word (bigram) collocations only. We compiled a comprehensive inventory of 82 lexical association measures and present their empirical evaluation on four reference data sets: dependency bigrams from the manually annotated Prague Dependency Treebank, surface bigrams from the same source, instances of surface bigrams from the Czech National Corpus provided with automatically assigned lemmas and part-of-speech tags, and distance verb-noun bigrams from the automatically part-of-speech tagged Swedish Parole corpus. Collocation candidates in the reference data sets were manually annotated and labeled as collocations and non-collocations. The evaluation scheme is based on measuring the quality of ranking collocation candidates according to their chance to form collocations. The methods are compared by precision-recall curves and mean average precision scores adopted from the field of information retrieval. Tests of statistical significance were also performed. Further, we study the possibility of combining lexical association measures and present empirical results of several combination methods that significantly improved the performance in this task. We also propose a model...en_US
uk.file-availabilityV
uk.publication.placePrahacs_CZ
uk.grantorUniverzita Karlova, Matematicko-fyzikální fakulta, Ústav formální a aplikované lingvistikycs_CZ
thesis.grade.codeP


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