Browsing by Issue Date, starting with "2001-11"
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- Serviço de revisão bibliográfica colaborativaPublication . Pereira, Rui HumbertoThe investigation communities spread all over the planet create considerable amounts of knowledge while developing their activities. The most known way of communicating this knowledge is through papers publishing, books and reports, among others. These documents are stored in libraries and even more nowadays, in the Internet, allowing people to access up dated information more efficiently than ever. However, this great amount of available information can represent an obstacle to its transformation in knowledge. It is therefore relevant the implementation of mechanisms that enable this transformation. In this dissertation a proposal for creation of a new information service is presented. It concerns a service of collaborative bibliographic revision, which supports the investigators in this specific task as well as in registering its results, thus providing future revisions by third party. The developed model takes its grounds in a documental background accessible through a commercial libraries management system, under which a "web" of semantically enriched connections is established and that register preferential paths for exploring this background, according to multiple criteria as well as notes to documents and paths themselves. A prototype is presented it implements the fundamental ideas of the model, which at its basic level represents an access interface to a repository of documents in electronic form. Based on this level there are two others, focussed on the registration of information added by the users of the service. The results emerged from this prototype clearly show the viability of the model.
- An On-line Concurrent Test for Partial and Dynamically Reconfigurable FPGAsPublication . Gericota, Manuel G.; Alves, Gustavo R.; Silva, Miguel L.; Ferreira, J. M. MartinsThe use of partial and dynamically reconfigurable FPGAs in reconfigurable systems opens exciting possibilities, since they enable the concurrent reconfiguration of part of the system without interrupting its operation. Nevertheless, larger dies and the use of smaller submicron scales in the manufacturing of this new kind of FPGAs increase the probability of failures after many reconfiguration processes. New methods of test and fault tolerance are therefore required, capable of ensuring system reliability. This paper presents improvements to our RaT Freed Resources technique, originally present in [1], a structural concurrent test approach able to detect and diagnosis faults without disturbing system operation, throughout its lifetime.
- Experimenting the 1149.1 and 1149.4 test infrastructures in a Web-accessible remote Lab (without Plug-ins!)Publication . Fidalgo, André Vaz; Costa, Ricardo J.; Ferreira, J. M. Martins; Alves, Gustavo R.The expansion of the Internet has supported the development of online teaching resources based on this communication media (e-learning). However, the possibility to run experiments on remoteaccessible Labs, in a teaching context, is a more recent fact. This paper describes the framework for delivering through the Web, a course on Design for Debug and Test that contains several practical exercises involving the use of the IEEE 1149.1 and 1149.4 test infrastructures. The exercises are done in a remote-accessible Lab, installed at our facilities, through a simple interface readable on any web browser. By using a complete Java-based solution, there is no need for installing any sort of plug-ins at the client computer as it happens in other similar approaches that require some sort of downloading extra software or the development of Common Gateway Interfaces (CGIs).