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<p>in the plane in 1976. In particular, they described how a combination of the scanline approach with efficient data structures (<a href="page.php?w=self-balancing_binary_search_tree">self-balancing binary search tree</a>s) makes it possible to detect whether there are intersections among  segments in the plane in <a href="page.php?w=time_complexity">time complexity</a> of . The closely related <a href="page.php?w=Bentley-Ottmann_algorithm">Bentley-Ottmann algorithm</a> uses a sweep line technique to report all  intersections among any  segments</p><p>
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