LX-SRLabeler is a freely available on-line service for constituency parsing and semantic role labeling of Portuguese sentences. This service was developed and is maintained at University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics. LX-SRLabeler is su...
LX-Translator is a freely available on-line service for translation between Portuguese and Chinese. This service was developed and is maintained at the University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics. Intrinsic evaluation of the model for the ...
VISTA@UE-SA is a freely available on-line service for the sentiment analysis of short sentences (tweets) in Portuguese. This service was developed and is maintained at the University of Evora by the VISTA - Video, Image, Speech, and Text Analysis Group of the Department of Informatics.
FEUP CoRef is a freely available online service for coreference resolution in Portuguese and Spanish. This service was developed and is maintained at the Faculdade de Engenharia da Universidade do Porto Department of Informatics.
LX-Conjugator is a freely available online service for fully-fledged conjugation of Portuguese verbs. It was developed and is maintained by the NLX-Natural Language and Speech Group at the University of Lisbon, Department of Informatics. LX-Conjugator takes a Portuguese infinitive verb form a...
Yake! (Campos et al. 2020) is a novel feature-based system for multi-lingual keyword extraction, which supports texts of different sizes, domain or languages. Unlike most of the systems, Yake! does not rely on dictionaries nor thesauri, neither is trained against any corpora. Instead, we follow a...
Monolingual concordancer is a language independent concordancer tool. Note that the tool is also able to be used as a bilingual concordancer. Several corpora are also included in this resource.
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...
LX-DepParser is a free online service for the syntactic analysis of Portuguese. It allows the automatic parsing of sentences in Portuguese in terms of the grammatical functions of their words. This service was developed and is maintained at the University of Lisbon by the NLX-Speech and Natural ...
LX-Proficiency is an online service for the quantitative analysis of texts along a range of linguistic metrics, and for the estimation of the proficiency level of texts. These quantitative metrics are meant to provide support in the classification of texts according to the proficiency levels i...