Fábio Luiz Leite

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Geographical information systems (GIS) deal with large volume of datasets. Hence, one of the main concerns on Web GIS is related to performance issues, as these datasets need to migrate, as fast as possible, from server to client tiers. Therefore, in order to maximize performance on Web GIS it is necessary to apply optimization techniques. This paper(More)
The volume of spatial data available on the Web has been increasing rapidly. Currently, the Web has been used not only for document searching but also for the provision and use of services, known as Web services, which are published in a directory and may be automatically discovered by software agents. Particularly in the spatial domain, the possibility of(More)
The plethora of different GIS solutions has brought a new challenge: how to provide transportability among heterogeneous data sources with minimal impact on IT, reducing costs and time? The advent of open software is pushing this issue for using universal spatial-aware standards such as GML. This paper presents a software tool known as Migratool, which aims(More)
Spatial data sharing among both private and public organizations is an old issue. Spatial Data Infrastructures (SDIs) have been proposed to solve data integration and discovery problems. Nonetheless, they can only partially work out these problems, as most of their catalog services are built on keyword based search. This approach always results in low(More)
With the rapid growth in mobile and wireless technologies and the availability, pervasiveness and cost effectiveness of wireless networks, mobile computers are quickly becoming the normal front-end devices for accessing enterprise data. In this paper, we are addressing the issue of efficient delivery of business decision support data in the form of summary(More)
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