rdfs

Visualizing ontologies on the Web

Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips

A unifying framework for biomedical research knowledge graphs

Transforms Databricks Unity Catalog tables into a materialized knowledge graph, with ontology design and reasoning exposed as tools via MCP.

Schemarama is a project exploring standards-based validation for structured data, especially Schema.org.

Software platform implementing and extending the standards of the Semantic Web.

Contains the development for the Industry 4.0 standards knowledge graph (I40KG). Its current collaborative development is driven by VoCol - http://vocol.iais.fraunhofer.de/sto/

Knowledge graph extractor: Markdown (or any format) to knowledge graph with RDFS/OWL ontology

Build, validate, visualize, and publish SKOS taxonomies in your browser — standards-first, single self-contained file, with a REST API and MCP server.

A Semi-Automatic Tool to generate RDF mappings for Opendatasoft's datasets

Visual Studio Code extension providing editing support for RDF languages and knowledge graphs.

A fast, portable (JS/JVM/native), and robust implementation of LinkML for cross-language data modeling

Enterprise ready object mapper for developing RDF knowledge graph applications with .NET

A general Inference API based on two of the most popular Big Data processing engines: Apache Spark and Apache Flink

DBpedia Archivo - Augmented Ontology Archive powered by Databus

CimPal is an open source Java application published by gridDigIt and Licensed under the EUPL-1.2-or-later. It helps CIM implementation by providing tools facilitation the work related to SHACL constraints and identification of changed between different versions of CIM.

Lightweight and friendly .NET library for realizing modern Semantic Web applications (OWL2, SWRL, SKOS)

Triple pattern matching over non-RDF datasources with inference

Generates RDF4J Vocabulary classes from RDFS or OWL Schemas

Browse and visualize Linked Data with Python.