Now showing items 1-16 of 16

    • Embedding NomLex-BR nominalizations into OpenWordnet-PT 

      Coelho, Livy Maria Real; Rademaker, Alexandre; Paiva, Valeria de; Melo, Gerard de
      2014
      This paper presents NomLex-BR, a lexical resource describing Brazilian Portuguese nominalizations, and its integration with OpenWordnet-PT. We first describe the original English NOMLEX lexical resource and how we used it ...
    • Exploratory information extraction from a historical dictionary 

      Paiva, Valeria de; Oliveira, Dário Augusto Borges; Higuchi, Suemi; Rademaker, Alexandre; Melo, Gerard de
      2014
      We describe a preliminary project of extracting information from an extant dictionary of historical biographies, the 'Dicionário Histórico-Biográfico Brasileiro' (the Brazilian Historical and Biographical Dictionary, ...
    • Intuitionistic logic and legal ontologies 

      Haeusler, Edward Hermann; Paiva, Valeria de; Rademaker, Alexandre
      2010
      This paper briefly shows how Intuitionistic Description Logic can be considered a good alternative to classical ALC as far as formalizing legal knowledge is concerned.
    • A linked open data architecture for contemporary historical archives 

      Rademaker, Alexandre; Higuchi, Suemi; Oliveira, Dário Augusto Borges
      2013-09-26
      This paper presents an architecture for historical archives maintenance based on Open Linked Data technologies and open source distributed development model and tools. The proposed architecture is being implemented for the ...
    • A linked open data architecture for the historical archives of the Getulio Vargas Foundation 

      Rademaker, Alexandre; Oliveira, Dário Augusto Borges; Paiva, Valeria de; Higuchi, Suemi; Sá, Asla Medeiros; Silva, Moacyr Alvim Horta Barbosa da
      2015-04
      This paper presents an architecture for historical archives maintenance based on Open Linked Data technologies and open source distributed development model and tools. The proposed architecture is being implemented for the ...
    • Making virtue of necessity: a verb lexicon 

      Paiva, Valeria de; Chalub, Fabricio; Real, Livy Maria; Rademaker, Alexandre
      2016
      We describe the verb lexicon of OpenWordNet-PT, a wordnet-like resource for (mostly Brazilian) Portuguese and a series of experiments that we designed to extend its coverage. These experiments include checking online lists ...
    • NomLex-PT: a lexicon of Portuguese nominalizations 

      Paiva, Valeria de; Real, Livy Maria; Rademaker, Alexandre; Melo, Gerard de
      2014
      This paper presents NomLex-PT, a lexical resource describing Portuguese nominalizations. NomLex-PT connects verbs to their nominalizations, thereby enabling NLP systems to observe the potential semantic relationships between ...
    • OpenWordNet-PT: a project report 

      Rademaker, Alexandre; Paiva, Valeria de; Melo, Gerard de; Coelho, Livy Maria Real; Gatti, Maira A. de C.
      2014
      This paper presents OpenWordNet-PT, a freely available open-source wordnet for Portuguese, with its latest developments and practical uses. We provide a detailed description of the RDF representation developed for ...
    • OpenWordNet-PT: an open brazilian wordnet for reasoning 

      Paiva, Valeria de; Rademaker, Alexandre; Melo, Gerard de
      2012-12-01
      Brazilian Portuguese needs a Wordnet that is open access, downloadable and changeable, so that it can be improved by the community interested in using it for knowledge representation and automated deduction. This kind of ...
    • Passing the Brazilian OAB exam: data preparation and some experiments 

      Delfino, Pedro Moyses; Cuconato, Bruno; Haeusler, Edward Hermann; Rademaker, Alexandre
      2017
      In Brazil, all legal professionals must demonstrate their knowledge of the law and its application by passing the OAB exams, the national Bar exams. This article describes the construction of a new data set and some ...
    • Portal semântico do CPDOC 

      Souza, Renato Rocha; Rademaker, Alexandre; Sá, Asla Medeiros; Coelho, Flávio Codeço; Silva, Moacyr Alvim Horta Barbosa da
      2015
    • Revisiting a Brazilian WordNet 

      Paiva, Valeria de; Rademaker, Alexandre
      2012
      Brazilian Portuguese needs a WordNet that is open access, downloadable and changeable, so that it can be improved by researchers, such as the community interested in automated deduction. This would be very valuable to ...
    • A scalable architecture for real-time analysis of microblogging data 

      Cavalin, Paulo Rodrigo; Gatti, Maira A. de C.; Moraes, T. G. P.; Oliveira, F. S.; Pinhanez, Claudio Santos; Rademaker, Alexandre; Paula, Rodrigo Aquino de
      2015-05
      As events take place in the real world, e.g., sports games and marketing campaigns, people react and interact on online social networks (OSNs), especially microblog services such as Twitter, generating a large stream of ...
    • Semantic links for Portuguese 

      Chalub, Fabricio; Real, Livy Maria; Rademaker, Alexandre; Paiva, Valeria de
      2016
      This paper describes work on incorporating Princenton's WordNet morphosemantics links to the fabric of the Portuguese OpenWordNet-PT. Morphosemantic links are relations between verbs and derivationally related nouns that ...
    • Specifying ubiquitous systems through the algebra of contextualized ontologies 

      Cafezeiro, Isabel; Viterbo, José; Rademaker, Alexandre; Haeusler, Edward Hermann; Endler, Markus
      2014
      In this paper we present the algebra of contextualized ontologies and an approach to specify context-aware systems. The algebra is designed to support context moddeling and aims at the specification of modular and scalable ...
    • As wordnets do português 

      Oliveira, Hugo Gonçalo; Paiva, Valeria de; Freitas, Cláudia; Rademaker, Alexandre; Real, Livy; Simões, Alberto
      2015-04
      Not many years ago it was usual to comment on the lack of an open lexicalsemantic knowledge base, following the lines of Princeton WordNet, but for Portuguese. Today, the landscape has changed significantly, and researchers ...