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Subgraph

Extracts a subgraph from a logical graph using the given filter functions. The operator is able to:

1) extract a vertex-induced subgraph with a vertex filter only
2) extract an edge-induced subgraph with an edge filter only
3) extract a subgraph based on both, a vertex and an edge filter.

Options

Filter Vertex: Enter JAVA code to build a filter on vertices. Retains all vertices that meet the filter conditions.
Filter Edge: Enter JAVA code to build a filter on edges. Retains all edges that meet the filter conditions.

Input Ports

: One single logical graph.
: Collection of multiple logical graphs, may share nodes and edges.

Output Ports

: A new graph with the specified transformations applied.
: A new graph collection with the specified transformations applied.

Popular Predecessors

CSV DataSource100 %

Popular Successors

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Installation

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

v4.7

Plugin provider: Steffen Dienst

Plugin version: 1.0.0.v201911212144

On NodePit since: 2022-12-06

Last update: 2025-12-29

KNIME versions: From v4.1 to v4.7

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