This node can be connected with Semantic Web endpoints to execute SPARQL queries. Please note that based on the connected endpoint, same queries may lead to different results. This allows for Queries such as:

DELETE {...} INSERT {...} WHERE {...}

or:

DELETE {...} WHERE {...}

Functionality is provided using the Apache Jena Framework

Options

SPARQL Query

The query to be executed on the endpoint.

Input Ports

Semantic Web connection

Output Ports

Semantic Web connection

Best Friends (Incoming)

• SPARQL Endpoint (100 %) 

Best Friends (Outgoing)

• SPARQL Query (100 %) Streamable

Workflows

• 08_​SPARQL_​Executor

Installation

To use this node in KNIME, install KNIME Semantic Web Nodes from the following update site: