Encontrados 17 documentos, a visualizar página 1 de 2
iDRM - Interoperability Mechanisms for Open Rights Management Platforms
Serrão, CarlosToday’s technology is raising important challenges in the Intellectual Property (IP) field in general and to Copyright in particular [Arkenbout et al., 2004]. The same technology that has made possible the access to content in a ubiquitous manner, available to everyone in a simple and fast way, is also the main responsible for the challenges affecting the digital content IP of our days [Chiariglione, 2000]. Tec...
Rights management on knowledge-based digital content
Serrão, Carlos; Marques, Joaquim; Mendes, AnaThe digital networks have facilitated the digital content access and sharing. Although this creates the opportunities to a wider dissemination of information and knowledge, on the other hand it creates challenges on what concerns the protection and enforcement of Intellectual Property (IP). This is particular important on the IP management of digital knowledge-based that is create on a daily basis on educationa...
Zás – Aspect-Oriented Authorization Services (first take)
Zenida, Paulo; Sequeira, Manuel Menezes de; Henriques, Diogo; Serrão, CarlosO trabalho descrito neste relatório deu origem a um artigo apresentado na conferência ICSOFT 2006. ; This paper proposes Zás, a novel, flexible, and expressive authorization mechanism for Java. Zás has been inspired by Ramnivas Laddad's proposal to modularize Java Authentication and Authorization Services (JAAS) using an Aspect-Oriented Programming (AOP) approach. Zás' aims are to be simultaneously very expres...
Zás – Aspect-Oriented Authorization Services
Zenida, Paulo; Sequeira, Manuel Menezes de; Henriques, Diogo; Serrão, CarlosHá um relatório técnico do Centro de Informática do ISCTE, o CI-2006-01, que descreve o Zás em mais pormenor. O código do Zás pode ser encontrado no repositório do CI, em https://svn.ci.iscte.pt/. ; This paper proposes Zás, a novel, flexible, and expressive authorization mechanism for Java. Zás has been inspired by Ramnivas Laddad's proposal to modularize Java Authentication and Authorization Services (JAAS) u...
Programação com PHP 5
Serrão, Carlos; Marques, JoaquimProgramação com a linguagem PHP 5
Using ODRL to express rights for different content usage scenarios
Serrão, Carlos; Dias, Miguel; Delgado, JaimeThe expression of rights over generic content is one of the most important functions in any DRM system [1][2]. It is impossible to conceive such a system without the possibility to define how and under which conditions content can be used by the end-user and any other user in the content lifecycle chain. ODRL [14] represents an opportunity to have rights expression richness, flexibility and at the same time ope...
Programação com PHP 4.3
Serrão, Carlos; Marques, JoaquimProgramação com a linguagem PHP 4.3
A importância das infra-estruturas de chave pública no comércio electrónico de ...
Serrão, Carlos; A Nova Economia, baseada essencialmente na Internet, depende em muito da validade e segurança da informação. O comércio em geral não poderia existir se laços de confiança entre vendedor e comprador não fossem estabelecidos. No Comércio Electrónico este aspecto é de especial importância devido à inexistência do tradicional contacto físico entre ambos. Os novos modelos de comercialização de conteúdos digitai...
Space and Planetary Imaging using JPEG2000
Serrão, Carlos; Dias, MiguelThe raising demand for Digital content Rights Management (DRM), protection and security, enabling effective on-line access, exchange and trading of all types of digital media items (ranging from a simple text file to a large space or planetary image) and, at the same time, supporting global interoperability of customer devices and traded items, can only be met by a good mix of open architectures and proprietary...
IM@GIX - An Electronic Commerce Digital Image Bank
Serrão, Carlos; Marques, JoaquimThis paper describes the usage of specific web application designed for the Electronic Commerce of Digital Still Images using some of the state-of-the-art technologies in the field of digital imaging, namely copy right protection. Still images are not only traded using this platform but also value is added to the images through the means of cataloguing, metadata and watermark insertion. This work is performed u...
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