Michael André Gonçalves

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We propose a motion planner for car-like robots based on the rapidly exploring random tree (RRT) method. Our motion planner was designed especially for cars driving on roads. So, its goal is to build trajectories from the car's initial state to the goal state in real time, which stay within the desired lane bounds and keep a safe distance from obstacles.(More)
The heterogeneous Web exacerbates IR problems and short user queries make them worse. The contents of web documents are not enough to find good answer documents. Link information and URL information compensates for the insufficiencies of content information. However, static combination of multiple evidences may lower the retrieval performance. We need(More)
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