CT951
发表于 2025-3-21 17:03:24
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Foreknowledge
发表于 2025-3-21 21:07:20
Categorical Data, functional dependency (FD) . states that the same . values of two tuples imply their equal . values. Owing to the variety of issues in big data, data dependencies may not exactly hold. As indicated in , the variety issue leads to constraints that may apply only to certain subsets of data.
nephritis
发表于 2025-3-22 03:01:53
Heterogeneous Data,address the variety issues of big data. Data obtained from merging heterogeneous sources often have various representation conventions. Dataspaces provide a co-existing system of heterogeneous data from multiple sources. Carefully declared data dependencies over the heterogeneous data would
antedate
发表于 2025-3-22 04:57:43
Ordered Data,ddress data dependencies on such ordered data. In the following, we introduce several typical studies on such ordered data, where each attribute . has a partial ordering . on .. Data dependencies are then declared concerning the orderings on the attribute domains .
MOTTO
发表于 2025-3-22 12:20:04
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保守
发表于 2025-3-22 13:11:42
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完全
发表于 2025-3-22 20:10:22
i Gase befinden, z. B. Wasserstoff und Stickstoff. Der Gesamtdruck beider Gase sei .. An der linken Wand werde dauernd der Teildruck des Wasserstoffes .% MathType!MTEF!2!1!+-% feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqi
红肿
发表于 2025-3-22 23:44:42
Shaoxu Song,Lei Cheni Gase befinden, z. B. Wasserstoff und Stickstoff. Der Gesamtdruck beider Gase sei .. An der linken Wand werde dauernd der Teildruck des Wasserstoffes .% MathType!MTEF!2!1!+-% feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqi
Distribution
发表于 2025-3-23 05:26:17
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变白
发表于 2025-3-23 08:50:08
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