A moda como comunicação

Mídias sociais no setor público: uma análise do uso como ferramentas de comunicação e interação em organizações no Brasil

O Meio é Mesmo a Mensagem: Evidências de como a Tecnologia Afeta a Comunicação e a Presença Social em Ambientes Virtuais de Aprendizagem

Relationships mediated by ICTs are present in many aspects of everyday life. As they are established at a distance, one can see the projection of the other through the communication channels that are opened by the new ICTs. The objective of this paper is to discuss how the means of communication affect social presence in virtual environments. Based on the theory of investigative communities and...

A Qualidade da Comunicação nas Telecomunicações

A tifulo exempli6cativo poder-se A referir Que uma rede de transmiss5o digital de dados terh como vantagens sobre uma rede de transmfss5o anal6gica ritmos de transmiSsflo Wafs elevados, taxa de erros inferior devido a quase imunidade ao ruido. redoc5o da complexidade da soluC5o adoptada na con6gurac5o da rede e do custo mais baixo das fa&terraces Recess;iirias para interligar terminais e comput...

Liveness detection using cross-moda person authent

In this paper we show the potential of two new features as powerful anti-spoofing measures for face-voice person authentication systems. The features based on latent semantic analysis (LSA) and canonical correlation analysis (CCA), enhance the performance of the authentication system in terms of better anti-imposture abilities and guard against video replay attacks, which is a challenging type ...

Moda-ML: Building a Collaborative Sectoral Framework based on ebXML

Inter-company data interchange within a specific industrial sector is necessarily based on standard document formats, structures, and transmission protocols. In this perspective, the MODA-ML project has developed an interoperability architecture for the Textile/Clothing sector based on XML technology; in particular ebXML has been adopted as the reference specification in defining and exchanging...