LX-Conjugator

Developed at the University of Lisbon, Dept. of Informatics, by the NLX-Natural Language and Speech Group.

features    |    versão portuguesa

 

 

Features


Table of contents

LX-Conjugator

LX-Conjugator (beta version) is a freely available online service for fully-fledged conjugation of Portuguese verbs. It was developed and is mantained by the NLX-Natural Language and Speech Group at the University of Lisbon, Department of Informatics.

You may be also interested to use our LX-Suite online service for the shallow processing of Portuguese.

Features

LX-Conjugator takes a Portuguese infinitive verb form and delivers the corresponding conjugated forms.

At the date of its inception (May 2005), it is the first freely available online service for fully-fledged Portuguese verb conjugation, including the full range of pronominal conjugation forms. It thus handles:

 

Additionally, LX-Conjugator exhaustively handles a set of inflection cases which tend not to be supported together in verbal conjugators:

 

LX-Conjugator handles both known verbs and unknown verbs. It thus conjugates:

 

It is also worth noting the following design principles, that LX-Conjugator adopts with respect to the so called defective verbs:

 

LX-Conjugator handles the very few cases where there may be different forms in different variants:

 

Aiming at optimizing readability and informativeness of the conjugation tables, LX-Conjugator adopts the following scheme concerning the displaying of clitics:

Authorship

LX-Conjugator is being developed by António Branco and Francisco Costa, with the help of Tiago Henriques and Filipe Nunes, at the NLX-Natural Language and Speech Group, of the University of Lisbon, Department of Informatics.

Acknowledgments

The work leading to the LX-Conjugator was partly supported by FCT-Fundação para a Cência e Tecnologia under the grant POSI/PLP/47058/2002 for the project TagShare.

White Papers

Costa, Francisco, 2004, Verbal Conjugation in Portuguese, Internal report, University of Lisbon, Department of Informatics.

Branco, António and Tiago Henriques, 2003, "Aspects of Verbal Inflection and Lemmatization: Generalizations and Algorithms". In Amália Mendes and Tiago Freitas (eds.), Proceedings of XVIII Annual Meeting of the Portuguese Association of Linguistics, Lisbon, pp.201-210.

Contact Us

Contact us using the following email address: 'nlxgroup' concatenated with 'at' concatenated with 'di.fc.ul.pt'.

Why LX-Conjugator?

LX because LX is the "code" name Lisboners like to use to refer to their hometown.