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ICDT
2012
ACM
11 years 7 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
SIGGRAPH
1990
ACM
13 years 9 months ago
1990
ACM
not abstract asymmetry: different sides looks different clumps different from "data objects" need grid structure, alignment [Design Guidelines for Landmarks to Support Na...