Conta-me Histórias [http://contamehistorias.pt] is a temporal summarization framework of news articles that allows users to explore and revisit events in the past. To select relevant stories of different time-periods, we rely on YAKE! [http://yake.inesctec.pt] a keyword extraction algorithm devel...
SenseClusters is a package of (mostly) Perl programs that allows a user to cluster similar contexts together using unsupervised knowledge-lean methods.
LX-Syllabifier is a language processing tool for the syllabification of Portuguese text. 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. LX-Syllabifier performs syllabification following a r...
LX-Parser is a freely available on-line service for constituency parsing of Portuguese sentences. 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. LX-Parser performs a syntactic analysis of P...
LX-Gram is a grammar for the computational processing of Portuguese. It is being developed under the following major design features: - precision: it is a precision grammar delivering accurate, linguistically grounded information of natural language sentences - deep processing: it is a gram...
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-Quantitative is an online service for the quantitative analysis of texts along a range of linguistic metrics. This service is based on automatic text processing tools. Hence, the results it returns may not be always totally correct. Its high accuracy rate tough allows it to provide a useful...
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.
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.
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...