By Gracinda Carvalho, David Martins de Matos, Vitor Rocio (auth.), Thiago Alexandre Salgueiro Pardo, António Branco, Aldebaro Klautau, Renata Vieira, Vera Lúcia Strube de Lima (eds.)
The overseas convention on Computational Processing of Portuguese—PROPOR —is the most occasion within the quarter of average language processing that's fascinated with Portuguese and the theoretical and technological matters concerning this language. It w- comes contributions for either written and spoken language processing. the development is hosted in Brazil and in Portugal. The conferences were held in Lisbon/Portugal (1993), Curitiba/Brazil (1996), Porto Alegre/Brazil (1998), Évora/ Portugal (1999), Atibaia/Brazil (2000), Faro/Portugal (2003), Itatiaia/Brazil (2006) and Aveiro/Portugal (2008). This assembly has been a hugely effective discussion board for the growth of this quarter and to foster the cooperation one of the researchers engaged on the automatic processing of the Portuguese language. PROPOR brings jointly learn teams, selling the advance of methodologies, assets and initiatives that may be shared between all researchers and practitioners within the box. The 9th version of this occasion used to be held in Porto Alegre, Brazil, at Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS). It had major tracks: one for language processing and one other one for speech processing. This occasion hosted a unique Demonstration consultation and the 1st variation of the PhD and MSc Dissertation Contest, which geared toward spotting the simplest educational paintings on processing of the Portuguese language within the previous couple of years. This version of the development featured tutorials on statistical computer translation and on speech reputation, in addition to invited talks by way of well known researchers of ordinary language processing.
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Additional info for Computational Processing of the Portuguese Language: 9th International Conference, PROPOR 2010, Porto Alegre, RS, Brazil, April 27-30, 2010. Proceedings
However, the specific implementation of such operations as rules is not a trivial task. The rules are defined in terms of syntactic representations and lexical clues, and it is impossible to foresee all variations of the same phenomena with different realizations. Generalizing the rules while making sure they do not cover illicit phenomena is therefore a complex issue. Moreover, the dependency on a syntactic parser, which is not errorfree, might incur inadequate uses of the rules. Finally, a very important limitation is the fact that this system can only cover the phenomena that fall into the pre-defined set of operations.
S. Pardo et al. ): PROPOR 2010, LNAI 6001, pp. 21–24, 2010. c Springer-Verlag Berlin Heidelberg 2010 22 2 V. Zavarella et al. Outline of the Extraction Grammars The role of the grammars deployed in NEXUS is recognition of phrases which introduce event participants. The extraction process is performed by devising a multi-layer grammar cascade using EXPRESS, a finite state-based grammar formalism which processes regular expressions over flat feature structures . , cinco policiais, milhares de portugueses), with their appositive and coordinated combinations.
Siddharthan’s approach uses a three-stage pipelined architecture for syntactic text simpliﬁcation: analysis, transformation and regeneration. In his approach, POS-tagging and noun chunking are used in the analysis stage, followed by pattern-matching for known templates which can be simpliﬁed. The transformation stage applies seven handcrafted rules for simplifying conjoined clauses, relative clauses and appositives. The regeneration stage ﬁxes mistakes introduced by the previous phase by generating referring expressions, selecting determiners, and generally preserving discourse structure with the goal of improving cohesion of the resulting text.