Joao Freire

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The design and implementation of a microcontroller based platform compatible with IEEE 1451.4 standard for high performance unobtrusive accurate cardio-respiratory and motor activity estimation of wheelchair users are presented in this paper. The platform is a multi-sensor architecture that includes sensors with plug-and-play and auto-identification(More)
This study develops and tests a model of information search in complex buying. We incorporate three categories of influences of organizational, personal and situational factors that affect information searching efforts. A sample of 96 of the largest Brazilian firms reported their use of the various influences in the decision to purchase integrated business(More)
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