Fernanda Lima

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This paper discusses high level techniques for designing fault tolerant systems in SRAM-based FPGAs, without modification in the FPGA architecture. Triple Modular Redundancy (TMR) has been successfully applied in FPGAs to mitigate transient faults, which are likely to occur in space applications. However, TMR comes with high area and power dissipation(More)
In this article we present a method for the design and implementation of Web Applications for the Semantic Web. Based on the "Object Oriented Hypermedia Design Method" approach, we used ontology concepts to define an application conceptual model, extending the expressive power of the original method. The navigational model definitions use a query language(More)
This paper proposes a new high-level technique for designing fault tolerant systems in SRAM-based FPGAs, without modifications in the FPGA architecture. Traditionally, TMR has been successfully applied in FPGAs to mitigate transient faults, which are likely to occur in space applications. However, TMR comes with high area and power dissipation penalties.(More)
We present a software architecture to implement applications in the Semantic Web, based on designs specified in the Semantic Hypermedia Design Method (SHDM). This architecture supports the separation between Conceptual, Navigation and Interface models, and is based on direct manipulation of the various ontologies that define an SHDM design.
Vehicular sensing is emerging as a powerful mean to collect information using the variety of sensors that equip modern vehicles. These sensors range from simple speedometers to complex video capturing systems capable of performing image recognition. The advent of connected vehicles makes such information accessible nearly in real-time and creates a sensing(More)
The implementation of service oriented architecture (SOA) has proven to be one of the main initiatives for organizations in gaining necessary agility in the area of information technology. However, in one particular area this process has presented a significant challenge: the implementation of a service catalog. Ontologies have been used to organize(More)