Abstract
Skyline computation fails to response variant queries that need to analyze not just individual object of a dataset but also their combinations. Therefore set skyline has attracted considerable research attention in the past few years. In this paper, we propose a novel variant of set skyline query called the “skyband-set” query. We consider a problem to select representative distinctive objectsets in a numerical database. Let s be the number of objects in each set and n be the total number of objects in the database. The number of objectsets in the database amounts to n C s . We propose an efficient algorithm to compute skyband-set of the n C s sets where the cardinality of s varies from 1 to n. We investigate properties of skyband-set query computation and develop pruning strategies to avoid unnecessary objectset enumerations as well as comparisons among them. We conduct a set of experiments to show the effectiveness and efficiency of the propose algorithm.
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Siddique, M.A., Zaman, A., Morimoto, Y. (2015). Skyband-Set for Answering Top-k Set Queries of Any Users. In: Chu, W., Kikuchi, S., Bhalla, S. (eds) Databases in Networked Information Systems. DNIS 2015. Lecture Notes in Computer Science, vol 8999. Springer, Cham. https://doi.org/10.1007/978-3-319-16313-0_4
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DOI: https://doi.org/10.1007/978-3-319-16313-0_4
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