LX-Lemmatizer is a freely available online service for fully-fledged lemmatization of Portuguese verbs. It was developed and is maintained at University of Lisbon by the NLX-Natural Language and Speech Group of the Department of Informatics. LX-Lemmatizer takes a Portuguese verb form and deliv...

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...

This tool translates text from a source language into a target language. It operates on text that has previously been tokenised and morphologically analysed, and POS-tagged. Target language tokens are assigned POS tags and morphological analyses. The Apertium Translator is a module of Apertium ma...

Web service created by exporting UIMA-based workflow from the U-Compare text mining system. Functionality: Identifies sentences and tokens in plain text. Tools in workflow: Freeling sentence splitter web service (service provided by the PANACEA project), LX-Tokenizer (web service provided by th...

The present tool, that was built to deal with specific issues concerning orthographic conventions adopted for Portuguese, marks sentence boundaries with <s>…</s>, and paragraph boundaries with <p>…</p>. Unwraps sentences split over different lines. A f-score of 99.94% was obtained when testing o...

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...

This is a UIMA wrapper for the OpenNLP Tokenizer tool. It splits English sentences into individual tokens. The tool forms part of the in-built library of components provided with the U-Compare platform (see separate META-SHARE record) for building and evaluating text mining workflows. The U-Comp...

The GENIA tagger analyzes English sentences and outputs the base forms, part-of-speech tags, chunk tags, and named entity tags. The tagger is specifically tuned for biomedical text such as MEDLINE abstracts. The tool is provided as a UIMA component, which forms part of the in-built library of...

This is a UIMA wrapper for the OpenNLP Sentence Detector tool. It splits English text into individual sentences. The tool forms part of the in-built library of components provided with the U-Compare platform (see separate META-SHARE record) for building and evaluating text mining workflows. ...

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.