MBT is a memory-based tagger-generator and tagger in one. The tagger-generator part can generate a sequence tagger on the basis of a training set of tagged sequences; the tagger part can tag new sequences. MBT can, for instance, be used to generate part-of-speech taggers or chunkers for natural l...

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 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...

The OntoLP system is a plug-in for the construction environment of the ontologies Protégé. The plug-in intents to be an assistant for the engineer of ontologies for Portuguese during the execution of initial steps concerning the ontologies construction: extraction of terms which are candidates fo...

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.

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...

This is a UIMA component that provides a visualization of speech based output from UIMA workflows. It has been developed at the University of Manchester, using libraries of the Java Speech Toollkit (jstk). It has been designed specifically for use with the U-Compare text mining workbench (see sep...

Web service created by exporting UIMA-based workflow from the U-Compare text mining system. Functionality: Identifies paragraphs in plain text Tools in workflow: MLRS Paragraph Splitter (University of Malta) NOTE: The licence provided covers the web service only. Tools used to create the workf...

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...