UDA + Virtuoso + OPAL: Secure access to data, information & knowledge—bringing trusted context to AI Agents, Skills & Tools so they can reason & act.
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Joined January 2009
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Vectors, meet Virtuoso. Native HNSW vector indexing just landed in the Virtuoso Open Source develop/7 branch, with ONNX text embeddings and optimizer tuning alongside. Similarity search across native relational tables via SQL and RDF graphs via SPARQL, one engine. Enjoy!
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Can you query Progress OpenEdge from your Mac without worrying about performance, security, or cost? Yes.
Our Multi-Tier ODBC-to-JDBC Bridge fronts OpenEdge's own JDBC driver: fast, secure, fine-grained access control. No rip and replace.
$499.99 for up to 5 concurrent users.
- Try: uda.openlinksw.com/odbc/driv…
- Buy: Multi-Tier ODBC-to-JDBC Bridge (JDBC Agent): shop.openlinksw.com/offers/o…
- Multi-Tier pricing: uda.openlinksw.com/odbc/driv…
Why does your AI agent give confident but wrong answers? It's only as smart as the context it can reach. Virtuoso gives it live access to the data, information, and knowledge in your existing systems of record and engagement, without copying any of it. From $99.99.
- Start Free Trial: shop.openlinksw.com/onboardi…
- Personal Productivity, $99.99: shop.openlinksw.com/offers/o…
- Application Development, $199: shop.openlinksw.com/offers/o…
A faceted browser for any CORS-enabled SPARQL endpoint, built over a weekend with AI agents and shipped as an Agent Skill. Open standards and loose coupling are what let agents and apps work with data wherever it lives, without lock-in.
Faceted search and browsing over entity-relationship graphs is challenging to implement. It requires both support for open standards and the right declarative query language—one that can work with fine-grained relationships in many forms. Fortunately, we’ve had SPARQL for years; what we lacked were LLM-powered tools to help with the grunt work.
Here’s a SPARQL-based faceted browser we put together last weekend. It brings faceted search and browsing to SPARQL endpoints that support CORS, while remaining loosely coupled to them.
See the comments for a live demo and repo links.
Agents that act for people need their own identities, plus a verifiable On-Behalf-Of (OBO) link back to the principal. That's how an agent can shop, query or transact through Virtuoso and OPAL with every action traceable to who authorized it.
Here's a news update page that provides more details about the new HSNW vector indexing and related features enhancements.
github.com/openlink/virtuoso…
Even better news, there much more to come!
Want to take a deep dive into how Virtuoso’s native vector indexing works—and how to use it?
See:
virtuoso.openlinksw.com/docs…
What does a sample SPARQL query that leverages vector similarity look like?
See:
[1] vec.demo.openlinksw.com/spar… -- Query Solution (Results)
[2] vec.demo.openlinksw.com/spar… -- Query Definition
#SPARQL #VectorSimilarity #VirtuosoRDBMS #HowTo
Another query, this time showcasing the impact on DBpedia i.e., vectors have been generated for literal objects in a DBpedia knowledge graph.
vec.demo.openlinksw.com/spar…
#VectorSimilarity #DBpedia #SPARQL #VirtuosoRDBMS #HowTo #AI
