Tips, Tricks, and HowTos

Topic	Replies	Views	Activity
About the Tips, Tricks, and HowTos category	1	519	May 2, 2022
Virtuoso and the Shapes Constraint Language (SHACL) shacl , virtuoso , sparql	0	7	August 4, 2025
OpenLink AI Layer (OPAL) Installation, Configuration, and Usage Guide openai , virtuoso , vad , chatgpt , llms	0	934	October 11, 2023
Installation & Configuration of Virtuoso RDF Graph Replication Cluster replication , rdf , virtuoso	0	1144	January 19, 2020
Performance Tuning Virtuoso for RDF Queries and Other Use sparql , rdf , virtuoso	0	1016	May 14, 2020
Virtuoso HowTo: Generating Linked Data from CSV version of Northwind Database howto , r2rml , csv , rdfviews	0	8886	May 16, 2019
How to Query Neo4j from Virtuoso (using Cypher) odbc , neo4j , cypher , sql , virtuoso	0	28	March 28, 2025
Producing RDF dumps of Virtuoso Quad-store hosted RDF model data sparql , rdf , linkeddata , virtuoso	0	546	August 24, 2022
Executing SQL Stored Procedures via HTTP: A Data Access Game-Changer in the Age of AI webservices , openapi , howto , stored_procedures , virtuoso	0	10	March 7, 2025
Virtuoso user RDF Graph Level access to RDF Quad Store virtuoso , security , sparql , rdf	0	261	November 7, 2023
How To: Add Apple Sign In (Identity Provider) Services to Virtuoso's Authentication Layer (VAL) oidc , val , howto , oauth , virtuoso	0	1608	May 12, 2020
How To: Add Keycloak Sign In (Identity Provider) Services to Virtuoso’s Authentication Layer (VAL) val , authentication , virtuoso , oauth , oidc	0	24	December 18, 2024
How To: Add Google Sign In (Identity Provider) Services to Virtuoso's Authentication Layer (VAL) oidc , val , howto , oauth , virtuoso	0	1112	May 30, 2020
Virtuoso configuration file parameters to limit the number of triples in SPARQL query virtuoso , sparql , rdf	0	40	November 9, 2023
How-To: Creating a CustomGPT assistant , howto , opal , smart_agent , chatgpt	0	26	May 31, 2024
How-To: Generate a Podcast with NotebookLM for Distribution Across Social Media Platforms hypertext , howto , semanticweb , podcast , hyperdata	1	61	October 10, 2024
Exception:virtuoso.jdbc4.VirtuosoException: SQ186: Over 20 keys in group by or hash join	6	811	September 24, 2024
Addressing the Single Point of Failure in OpenLink Virtuoso's virtuoso.db – A Request for a Scalable Solution virtuoso	2	23	September 23, 2024
Virtuoso Linux ODBC Driver connection using unixODBC Driver Manager odbc , unixodbc , linux , virtuoso	0	60	September 18, 2024
Virtuoso "MaxClientConnections" configuration parameter virtuoso , howto , tips , configuration	0	420	May 6, 2023
How to clear all the named graphs in the Virtuoso	1	84	June 28, 2024
Restore-backup with .bp file and customised Docker Virtuoso image container - could not restore database using prefix backup , docker , virtuoso	2	59	June 28, 2024
Configure Virtuoso Authentication Layer (VAL) Endpoint HTTPS Callback URL val , virtuoso , authentication	0	58	September 25, 2023
Enabling SPARQL 1.1 Federated Query Processing in Virtuoso sparql , rdf , virtuoso	0	1891	April 27, 2021
Additional Virtuoso GraphQL-SPARQL Bridge Examples: Querying Sample Movies Dataset documentation , graphql , virtuoso , howto	4	272	May 30, 2024
Interacting with Virtuoso via LangChain spasql , howto , rag , ai , virtuoso	0	324	March 29, 2024
Practical Technology Showcase Newsletter: May 2024 Edition llms , ai , newsletter , chatgpt , virtuoso	0	63	May 22, 2024
Customizing R2RML Scripts in Virtuoso sparql , datavirtualization , linkeddata , rdb2rdf , r2rml	13	1175	May 13, 2024
Details are kindly requested regarding the mapping ontology in the GraphQL Virtuoso engine graphql	0	83	May 2, 2024
HowTo Persistently Install and Configure the OpenLink Single-Tier ODBC drivers on Virtuoso Docker Container odbc , uda , docker , virtuoso , single-tier	2	949	March 23, 2024