About: Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents a quantitative performance analysis of two different approaches to the lemmatization of the Czech text data. The first one is based on manually prepared dictionary of lemmas and set of derivation rules while the second one is based on automatic inference of the dictionary and the rules from training data. The comparison is done by evaluating the mean Generalized Average Precision (mGAP) measure of the lemmatized documents and search queries in the set of information retrieval (IR) experiments. Such method is suitable for efficient and rather reliable comparison of the lemmatization performance since a correct lemmatization has proven to be crucial for IR effectiveness in highly inflected languages. Moreover, the proposed indirect comparison of the lemmatizers circumvents the need for manually lemmatized test data which are hard to obtain and also face the problem of incompatible sets of lemmas across different systems. This paper presents a quantitative performance analysis of two different approaches to the lemmatization of the Czech text data. The first one is based on manually prepared dictionary of lemmas and set of derivation rules while the second one is based on automatic inference of the dictionary and the rules from training data. The comparison is done by evaluating the mean Generalized Average Precision (mGAP) measure of the lemmatized documents and search queries in the set of information retrieval (IR) experiments. Such method is suitable for efficient and rather reliable comparison of the lemmatization performance since a correct lemmatization has proven to be crucial for IR effectiveness in highly inflected languages. Moreover, the proposed indirect comparison of the lemmatizers circumvents the need for manually lemmatized test data which are hard to obtain and also face the problem of incompatible sets of lemmas across different systems. (en)
Title	Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance (en)
skos:prefLabel	Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance (en)
skos:notation	RIV/49777513:23520/10:00504240!RIV11-AV0-23520___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(1ET101470416), P(LC536), S
http://linked.open...iv/cisloPeriodika	6231
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Skorkovská, Lucie Kanis, Jakub
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	251418
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/10:00504240
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lemmatization; information retrieval (en)
http://linked.open.../riv/klicoveSlovo	information retrieval lemmatization
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[C6E5E8B49AB8]
http://linked.open...i/riv/nazevZdroje	Lecture Notes in Artificial Intelligence
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Multimodal human sign language and speech processing for man-machine communication Integrated center for natural language processing
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	2010
http://linked.open...iv/tvurceVysledku	Kanis, Jakub Skorkovská, Lucie
issn	0302-9743
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	23520

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