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...
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...
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...
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. ...
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...
LX Semantic Similarity is an online service for measuring the semantic similarity between words in Portuguese. This service uses the LX-DSemVectors, a distributional semantics model (a.k.a. word embeddings) of the Portuguese language. The model represents each word in its vocabulary by a vecto...
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...
Reddit Dataset Extraction Tool (RDET) is a tool that takes advantage of the resources available at 'pushshift.io' that relate to Reddit comments and submissions and generates new datasets based on any given subreddit.
A coreference solver for Portuguese and Spanish
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...