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Graph Density Uncertainty Scorer

This Node Is Deprecated — This node is kept for backwards-compatibility, but the usage in new workflows is no longer recommended. The documentation below might contain more information.

Calculates/Updates the density of a n-dimensional vector space, based on a kNN graph. For details see the RALF Paper: https://www.d2.mpi-inf.mpg.de/content/ralf-reinforced-active-learning-formulation

Options

Number of Neighbors: The number of neighbors which are considered.
Sigma: The sigma for the distance weighting function
Column Selection: The columns used for calculating the density.

Input Ports

: Rows without an class label.
: Rows that where labeled in the last iteration.

Output Ports

: Unlabed Data with Graph Density score.

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Installation

To use this node in KNIME, install the extension KNIME Active Learning from the below update site following our NodePit Product and Node Installation Guide:

v5.1

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.1.0.v202306290850

On NodePit since: 2023-07-15

Last update: 2024-04-17

Tags: Deprecated

KNIME versions: From v4.2 to v5.1

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