MaltParser is a system for data-driven dependency parsing, which can be used to induce a parsing model from treebank data and to parse new data using an induced model. MaltParser is developed by Johan Hall, Jens Nilsson and Joakim Nivre at Växjö University and Uppsala University, Sweden (see Nivr...
The Computational Linguistics Toolset is a set of tools for computational linguistics. It contains re-usable code for cleaning, splitting, refining, and taking samples from corpora (ICE, Penn, and a native one), for tagging them using the TnT-tagger, for doing permutation statistics on N-grams (u...
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.
LXService is a Web Service that consists in a range of tools for Portuguese that have been develop for the processing of Portuguese. They were selected because they satisfy a number of features that are likely to make them more suitable for initial experimentation: They are fast, robust, the ling...
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...
LX-USuite is a tool for shallow processing of Portuguese that adopts the Universal Part-of-Speech (UPOS) tagset and Universal feature bundles, related to the Universal Dependency framework, with an initial performance of 99.06% for POS tagging, 98.75% for featurizer model, and 99.08% for the lemm...
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-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 ...
CINTIL-Treebank Online Searcher is a freely available online service to search and view the constituency and dependency tree of the CINTIL-Treebank. This service was developed and is maintained at University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics. ...