ACOPOST is a free and open source collection of four part-of-speech taggers (t3, met, tbt, and et). In corpus linguistics, part-of-speech tagging (POS tagging or POST), also called grammatical tagging or word-category disambiguation, is the process of marking up the words in a text (corpus) as co...

MSTParser is a non-projective dependency parser (see McDonald et al., 2005a, 2006) that searches for maximum spanning trees over directed graphs. Models of dependency structure are based on large-margin discriminative training methods (see McDonald et al., 2005b). Projective parsing is also suppo...

CIPM-browser is a browser for the CIPM corpus, a corpus of medieval Portuguese.

The present tool, that was built to deal with Portuguese-specific issues concerning a few non-trivial cases that involve tokenization-ambigous strings, segments text into lexically relevant tokens, using whitespace as the separator. Note that, in these examples, the | (vertical bar) symbol is use...

LX-TimeAnalyzer is a freely available online service for the extraction of temporal information from Portuguese text. It was developed and is maintained by the NLX-Natural Language and Speech Group at the University of Lisbon, Department of Informatics. LX-TimeAnalyzer extracts temporal inform...

DVPM-browser is a browser for the DVPM lexical database of medieval Portuguese.

LX-NER is a freely available online service for the recognition of expressions for named entities in Portuguese. It was developed and is maintained by the NLX-Natural Language and Speech Group at the University of Lisbon, Department of Informatics. LX-NER takes a segment of Portuguese text an...

CINTIL Corpus Concordancer is a freely available online concordancing service to support the research usage of the CINTIL Corpus. This concordancer was developed and is maintained at the University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics, in coopera...

UEvora Tagger is a freely available on-line service for tagging sentences written in Portuguese. This service was developed and is maintained at the University of Évora by the VISTA - Video, Image, Speech, and Text Analysis Group of the Department of Informatics.

LX-Lemmatizer is a freely available online service for fully-fledged lemmatization of Portuguese verbs. It was developed and is maintained at University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics. LX-Lemmatizer takes a Portuguese verb form and deliv...