Yanjing Zhong

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Efficient processing of top-k queries has become a classical research area. Fagin et al. proposed the “middleware cost” for a top-k query algorithm. In some scenario, there is no way to perform a random access, and Fagin et al. proposed NRA (No Random Access) algorithm for that. In this paper, we investigate the intrinsic relation between top-k queries and(More)
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