Panfeng Zhou

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Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) <i>range close-pair query for moving objects</i> as an important problem for such databases. The purpose of a range close-pair query for moving objects is to find pairs of objects that were closer than(More)
The hB-pi tree is a multi-attribute index method which combines the hB tree, a multi-attribute access structure and the II-tree, an abstract index with efficient concurrency and recovery methods. The hB-pi tree is a balanced tree and adapts well to different data distributions. Furthermore, the hB-pi tree inherits the efficient concurrency and recovery(More)
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