Restauraciones estéticas de porcelana pura: Sistema Cercon

Instituto de Matemática Pura e Aplicada Simplicial

In this paper we will develop a theory for simplicial diffeomorphims, that is, diffeomorphims that preserve the incidence relations of a simplicial complex, and analyze alternative schemes to construct them with different properties. In combining piecewise linear functions on complexes with simplicial diffeomorphisms, we propose a new representation of curves and surfaces (and hypersurfaces, in...

Instituto de Matemática Pura e Aplicada

An approach to the use of gigapixel panoramas as raw material to audiovisual narratives is presented. Through the making of the short film “Love Affair” the process is described from capturing the panoramas to the final editing of the film, considering technical and semantic aspects. Keywords-component; gigapixel; panorama; narrative;

Sistema de Información Científica

Sistema de Aquisição Semi-Automática de Ontologias

This paper presents an ongoing work on ontology learning from text, focusing on the acquisition of concepts and relations. In order to do that, this work investigates approaches for ontology learning, and presents a proposal based on graphs metrics to identify concepts, and text analysis to find relations between the concepts. Resumo. Este artigo apresenta um trabalho em andamento na área de ap...

Construcción rápida de un sistema de traducción automática español-portugués partiendo de un sistema español-catalán

This paper describes the rapid construction of a Spanish–Portuguese, Portuguese–Spanish machine translation system, starting from an existing system for the Spanish–Catalan pair, developed by the same research group. A team of four developers has produced in six months a useful system having a text coverage above 95% and a word error rate around 10% running at thousand of words a second. The pr...