XSearchKG: A Platform for Explainable Keyword Search over Knowledge Graphs (Backend)

Prerequisites

Have a running SPARQL endpoint for your knowledge graph
Have the summary graph files that correspond to your knowledge graph, located at summary-graph/${datasetID}

Example Setup for Mondial:

Get Virtuoso https://github.com/openlink/virtuoso-opensource#installer-packages
Get Mondial Database in N3 format: https://www.dbis.informatik.uni-goettingen.de/Mondial/#RDF
- mondial.n3
- mondial-meta.n3
- mondial-sameas.n3
Import files via Virtuoso Conductor for Linked Data (Quad Store Upload)
The summary graph files are already provided in this directory: summary-graph/mondial

Installation

Install Node.js.
Install dependencies: run npm install in the project root folder.

Configuration

In src/config/config.js you can control the configurations for query generation, results, etc.

Running

In the project directory run npm start.
Open http://localhost:3001/api-docs to try the endpoints in your browser.