Lincoln M. Oliveira

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Candida species can cause clinical manifestations in various organs of the cardiovascular system, i.e., the pericardium, myocardium, and endocardium, with endocarditis being the best-known clinical entity. Endocarditis is seen primarily in intravenous drug users and in individuals with damaged native valves, especially in congenital heart disease or(More)
Wireless Personal Area Networks (WPANs) have been widely used due to the development of new wireless technologies, mainly Bluetooth. As user mobility is the focus of WPANs some questions arise when developing applications for it, specifically handoff management. Despite Bluetooth having been used for WPAN applications it does not have facilities for handoff(More)
Spatial data infrastructures (SDI) are extremely important in order to combine the technical and organizational elements required to promote the use of territory-based information in an interoperable way. In fact, geographic information has unique intrinsic features, which makes it a natural indexing mechanism for spatial data. Due to its high cost and(More)
This paper presents a new approach for modelling and querying temporal object oriented databases. The model presented in this paper extends previous work in the area, by supporting the evolution of all object properties through time (inheritance, composition and behavior), and allowing temporal schema evolution. A prototype of this model is being(More)
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