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• W2291285307 abstract "Consider a scientist who wants to explore multiple data sets to select the relevant ones for further analysis. Since the vi- sualization real estate may put a stringent constraint on how much detail can be presented to this user in a single page, ef- fective table summarization techniques are needed to create summaries that are both sufficiently small and effective in communicating the available content. In this paper, we first argue that table summarization can benefit from knowledge about acceptable value clustering alternatives for clustering the values in the database. We formulate the problem of table summarization with the help of value lattices. We then provide a framework to express alternative clustering strategies and to account for various utility measures (such as information loss) in assessing different summarization al- ternatives. Based on this interpretation, we introduce three preference criteria, max-min-util (cautious), max-sum-util (cumulative), and pareto-util, for the problem of table sum- marization. To tackle with the inherent complexity, we rely on the properties of the fuzzy interpretation to further de- velop a novel ranked set cover based evaluation mechanism (RSC). These are brought together in an AlphaSum, table summarization system. Experimental evaluations showed that RSC improves both execution times and the summary qualities in AlphaSum, by pruning the search space more effectively than the existing solutions." @default.
• W2291285307 created "2016-06-24" @default.
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• W2291285307 date "2009-01-01" @default.
• W2291285307 modified "2023-09-26" @default.
• W2291285307 title "AlphaSum: Size-Constrained Table Summarization using" @default.
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• W2291285307 hasPublicationYear "2009" @default.
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