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Graph Sampling

Gradoop Integration for KNIME Workbench version 1.0.0.v201911212144 by Steffen Dienst

Takes a logical graph and picks a subset of vertices or edges from this graph using the selected sampling type. The relative amount of the vertices or edges in the result graph can be set by the sampling threshold in a range from 0.0 to 1.0.
Note: The threshold is the probability whether a single element will be kept. For each element, a random value between 0.0 and 1.0 is calculated and compared with the threshold value. The element will be kept if the random value is smaller than the threshold. Therefore, samplings are not deterministic and will always lead to another result.

Options

Type
Select the type of sampling for the graph.
Sampling Threshold
Set the threshold for the sampling.

Input Ports

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One single logical graph.

Output Ports

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The sampled result logical graph.

Installation

To use this node in KNIME, install Gradoop-Integration from the following update site:

KNIME 4.3

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Developers

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