Tips, Tricks, and HowTos

Topic	Replies	Views	Activity
How to Query Neo4j from Virtuoso (using Cypher) odbc , neo4j , cypher , sql , virtuoso	0	94	March 28, 2025
Producing RDF dumps of Virtuoso Quad-store hosted RDF model data sparql , rdf , linkeddata , virtuoso	0	620	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	61	March 7, 2025
How To: Add Keycloak Sign In (Identity Provider) Services to Virtuoso’s Authentication Layer (VAL) val , authentication , virtuoso , oauth , oidc	0	79	December 18, 2024
How To: Add Google Sign In (Identity Provider) Services to Virtuoso's Authentication Layer (VAL) oidc , val , howto , oauth , virtuoso	0	1199	May 30, 2020
Virtuoso configuration file parameters to limit the number of triples in SPARQL query virtuoso , sparql , rdf	0	110	November 9, 2023
How-To: Creating a CustomGPT assistant , howto , opal , smart_agent , chatgpt	0	93	May 31, 2024
How-To: Generate a Podcast with NotebookLM for Distribution Across Social Media Platforms hypertext , howto , semanticweb , podcast , hyperdata	1	263	October 10, 2024
Exception:virtuoso.jdbc4.VirtuosoException: SQ186: Over 20 keys in group by or hash join	6	1032	September 24, 2024
Addressing the Single Point of Failure in OpenLink Virtuoso's virtuoso.db – A Request for a Scalable Solution virtuoso	2	108	September 23, 2024
Virtuoso Linux ODBC Driver connection using unixODBC Driver Manager odbc , unixodbc , linux , virtuoso	0	174	September 18, 2024
Virtuoso "MaxClientConnections" configuration parameter virtuoso , howto , tips , configuration	0	464	May 6, 2023
How to clear all the named graphs in the Virtuoso	1	165	June 28, 2024
Restore-backup with .bp file and customised Docker Virtuoso image container - could not restore database using prefix backup , docker , virtuoso	2	131	June 28, 2024
Configure Virtuoso Authentication Layer (VAL) Endpoint HTTPS Callback URL val , virtuoso , authentication	0	127	September 25, 2023
Enabling SPARQL 1.1 Federated Query Processing in Virtuoso sparql , rdf , virtuoso	0	2048	April 27, 2021
Additional Virtuoso GraphQL-SPARQL Bridge Examples: Querying Sample Movies Dataset documentation , graphql , virtuoso , howto	4	348	May 30, 2024
Interacting with Virtuoso via LangChain spasql , howto , rag , ai , virtuoso	0	446	March 29, 2024
Practical Technology Showcase Newsletter: May 2024 Edition llms , ai , newsletter , chatgpt , virtuoso	0	95	May 22, 2024
Customizing R2RML Scripts in Virtuoso sparql , datavirtualization , linkeddata , rdb2rdf , r2rml	13	1370	May 13, 2024
Details are kindly requested regarding the mapping ontology in the GraphQL Virtuoso engine graphql	0	101	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	1026	March 23, 2024
HowTo -- Reducing Hallucinations in AI Chatbots with Knowledge Graphs llms , howto , uniprot , chatgpt , sparql	0	287	March 9, 2024
SQL Transitivity -- Community Note sql , howto , virtuoso , graph_analytics	0	1121	September 20, 2019
Virtuoso VoID Graph Generation virtuoso , sparql , rdf	1	341	February 10, 2024
Virtuoso Jena Provider sparql , rdf , virtuoso , jena , linkeddata	0	371	May 20, 2021
How To: Add Microsoft Identity Provider Services to Virtuoso's Authentication Layer (VAL) oidc , oauth , microsoft , val , virtuoso	0	1410	May 15, 2020
Using SPARQL Query Templates to Fine-Tune ChatGPT's Large Language Model (LLM) linkeddata , virtuoso , sparql , semanticweb , chatgpt	4	4093	June 2, 2023
HowTo – Load JSON-LD files into Virtuoso virtuoso , howto , rdf , jsonld	4	731	January 25, 2024
How can I check whether an URI is at subject or not	2	213	January 25, 2024