IVORY
发表于 2025-3-25 03:33:03
Madalena Fonseca,Ugo Fratesiair is weighted by its support count. We illustrate the practical significance of this problem by means of examples..For conjunctive queries . without self-join, we provide a syntactic characterization of the class of queries . such that ..(.) is in .; for queries not in this class, ..(.) is ..-hard
他去就结束
发表于 2025-3-25 10:50:56
Madalena Fonseca satisfaction degrees in a query answer, but also the confidence about these satisfaction degrees as can be derived from data quality assessment. As illustration, we propose a hierarchical approach for query processing and data quality assessment, supporting the computation of as well a satisfaction
Adrenal-Glands
发表于 2025-3-25 14:32:32
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灾祸
发表于 2025-3-25 17:53:22
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GIDDY
发表于 2025-3-25 22:39:11
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混合物
发表于 2025-3-26 00:21:02
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padding
发表于 2025-3-26 04:29:19
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fatty-streak
发表于 2025-3-26 12:23:42
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仔细阅读
发表于 2025-3-26 13:00:48
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Dissonance
发表于 2025-3-26 17:48:02
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