Virtuoso Universal Server

Turn Your Data Into Decisive Knowledge

🚀 OpenLink Software
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Knowledge Graph Generation

Transform unstructured data from webpages, emails, legal documents, and call transcripts into powerful knowledge graphs using the OpenLink Structure Data Sniffer (OSDS) and OpenLink AI Layer (OPAL). No hand-written code required - generate comprehensive semantic representations instantly.

RDF SPARQL Knowledge Graphs OPAL OSDS
Booz Allen Hamilton Knowledge Graph Generation
Automatic knowledge graph generation from Booz Allen Hamilton website
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AI Integration Layer

The OpenLink AI Layer (OPAL) provides seamless integration with leading LLMs including OpenAI, Anthropic, Grok, and Mistral. Supports both Model Context Protocol (MCP) and Agent-2-Agent Protocol (A2A) for enterprise-grade AI workflows.

MCP A2A OpenAI Anthropic LLM Integration

Enterprise AI architecture enabling intelligent data interactions across multiple LLM providers

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Data Federation & Multi-Model

Unify data across heterogeneous sources with advanced federation capabilities. Query across PostgreSQL, MySQL, SQL Server, and RDF stores using unified SPARQL and SQL interfaces. Generate virtual and physical RDF views from CSV, Excel, and relational data sources.

SQL Federation SPARQL-FED R2RML Multi-Database Data Virtualization

Seamless integration across relational, document, and graph data models

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Enterprise Security & Access Control

Implement fine-grained, attribute-based access controls (ABAC) with the Virtuoso Authentication Layer (VAL). Apply security policies to physical and virtual data, applications, and services using logic-based entity relationships for identity, authorization, and restriction management.

ABAC VAL Authentication Authorization Security Policies

Enterprise-grade security with granular access control for sensitive data assets

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Third-Party Tool Integration

Connect seamlessly with industry-standard tools via ODBC, JDBC, and HTTP protocols. Integrate with Tableau, Excel, Neo4j, NetworkX, and GraphQL endpoints for comprehensive data analysis and visualization workflows.

ODBC JDBC GraphQL Tableau NetworkX

Universal connectivity enabling seamless integration with your existing tool ecosystem

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Advanced Reasoning & Inference

Leverage built-in RDFS and OWL reasoning capabilities alongside custom inference rules using SPIN and Magic Sets. Enable sophisticated knowledge discovery and automated decision-making across your semantic data infrastructure.

RDFS OWL SPIN Magic Sets Inference Rules

AI-powered reasoning enabling intelligent insights from complex semantic relationships

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Enterprise Performance & Scale

Proven performance with industry-leading benchmarks including Berlin SPARQL Benchmark (BSBM) at 500+ billion triples, LDBC Social Network and Semantic Publishing benchmarks. Handles massive datasets with optimized loading, clustering, and real-time query processing capabilities.

BSBM LDBC 500B+ Triples Clustering Real-time

Battle-tested at enterprise scale with proven performance across massive datasets