Andre Prisco Vargas

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Leaks on pipelines can cause strong economic losses and environmental problems if these are not detected on time. The problem of detecting leaks is even more complicated when the pipelines are too large, difficult to reach by maintenance personnel, and equipped with minimum instrumentation. A comparison of four fault diagnosis approaches based on Output(More)
This paper presents ARGOsearch, an information retrieval system which improves the search quality in library management systems. We have proposed a general and extensible architecture for ARGOsearch based on relevance criteria that sorts the user query results considering text similarity and context information such as statistical data and the user profile.(More)
One of the biggest challenges for the developer of object-oriented software is the modeling and developing of the objects themselves, so that they are easily reusable in complex systems. The final quality of the software depends mostly on the quality of the modeling developed for it. Modeling and specification of software are fundamental steps for making(More)
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