LX-Sentence Splitter is a language processing tool for delimiting sentences 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-Sentence Splitter marks sentence boundaries with <s>…</s>, and p...
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...
LexMan-POSTagger is a morphological analyser tool that morphologically tags all words. Size: Lemmas verbs: 12 995; Lemmas nouns and adj: 38 180; Lemmas adverbs: 7 250; Compound words: 35 201. Language: Portuguese.
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...
YamCha is a generic, customizable, and open source text chunker oriented toward a lot of NLP tasks, such as POS tagging, Named Entity Recognition, base NP chunking, and Text Chunking. We used it for NP chunking.
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 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-Suite is a freely available online service for the shallow processing of Portuguese. It was developed and is maintained by the NLX-Natural Language and Speech Group at the University of Lisbon, Department of Informatics. LX-Suite is composed by a set of shallow processing tools: - LX Sente...
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 ...