Virtuoso Universal Server


SQL Data Management Matters related to OpenLink Virtuoso as SQL Database Management System Linked Data Deployment A place to discuss issues related to Virtuoso’s Linked Data Deployment functionality e.g., functionality commonly experienced via DBpedia, DBpedia-Live, and many other nodes in the Linked Open Data (LOD) Cloud. Artificial Intelligence (AI) Discussion space for topics related to built-in and/or custom reasoning & inference aspects of Virtuoso. NLP Discussion space for topics related to NLP (Natural Language Processing) integration in Virtuoso. For instance, existing and future NLP Service Providers that are loosely-coupled with Virtuoso Sponger Cartridges for Linked Data generation and transformation. Multi-Model Data Management For topics related to multi-model database management issues. For instance, operating on data represented as tables or graphs via SPARQL or SQL query languages. RDF Views over SQL Data Sources This category is for discussion topics relating to the creation, use, and troubleshooting of RDF Views (dynamic or materialized) scoped to ODBC or JDBC accessible data sources. Web Application Services Matters related to HTTP-based App and Service deployment leveraging LDP and WebDAV, using SOAP or REST-ful interaction patterns RDF Transformation Middleware/RDFizers (Various) Matters related to OpenLink Virtuoso as RDF Transformation Middleware RDF Data Management Matters related to OpenLink Virtuoso as RDF Database Management System Technology Usage Examples Discussion space for topics related to practical use-cases and solution examples associated with our Virtuoso Platform. Tips, Tricks, and HowTos A place where users and developers can exchange information.
Topic Replies Activity
About the Virtuoso Universal Server category 3 November 14, 2018
Creating a Knowledge Graph via a Single-Click 1 February 21, 2020
Exploiting the LOD Cloud Knowledge Graph using SPARQL-FED 1 February 18, 2020
OLF NET DLL 64 bit help file 2 February 18, 2020
Virtuoso (RDF-store) underlying source code for caching [techniques] and query processing 6 February 15, 2020
Error updating virtuoso version 8 February 15, 2020
HOWTO: Change the published location of a Virtuoso SPARQL Endpoint 1 January 8, 2020
How to report Virtuoso "Internal Optimiser" errors 1 January 21, 2020
How do I bind a Virtuoso server instance to a specific hostname only? 1 February 5, 2020
How do I combine Super Links Injection and Sponging? 1 February 5, 2020
Graph Analytics using Virtuoso's Transitivity Extensions to SQL 1 February 3, 2020
SQL Transitivity -- Community Note 1 September 20, 2019
Virtuoso 8.3 Infinite Optimization Loop 4 January 29, 2020
Sponger: Stateless Linked Data Generation 1 January 17, 2020
Exception:virtuoso.jdbc4.VirtuosoException: SQ186: Over 20 keys in group by or hash join 5 January 16, 2020
Endpoint no response after 6 SPARQL queries 6 January 16, 2020
External Data Sources: cannot link external objects 20 January 15, 2020
Semantic MEDLINE (SemMed) Knowledge Graph Generation from MySQL Database 1 December 10, 2019
Graph Analytics using Virtuoso’s SPARQL-BI extensions to SPARQL 2 January 9, 2020
Publishing LOD Cloud SPARQL Endpoint Descriptions using Linked Data Principles 1 January 7, 2020
Bulk RDF data File into Clustered instance 9 January 7, 2020
HOWTO: Modify Virtuoso default /sparql endpoint Form page using XSLT 1 July 5, 2019
Generate SPARQL Query Compilation Report from a Virtuoso /sparql Endpoint 1 July 7, 2019
Virtuoso has any RDF Reification support? 3 December 22, 2019
Virtuoso Open Source not sponging 3 December 19, 2019
Install conductor 6 December 19, 2019
Issue with Virtuoso RAM 5 December 16, 2019
How to link Virtuoso distributed version to Hadoop 3 December 13, 2019
Community Forum Note: SPARQL-BI and Transitivity 1 September 20, 2019
Lang query through RDF_BOX 4 December 11, 2019