W3C specification for validating graph-based data against a set of conditions

JavaScript implementation of the RDF.js specification for handling RDF data

Schema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.

Staff Product Manager, Agentic AI Applications, Mountain View, California; San Francisco, California. Join us! Together we can use data to solve the challenges of tomorrow

high-level tool for working with OBO ontologies

FalkorDB 6.0.0 FalkorDB 6.0 is the first release of the new FalkorDB engine, written in Rust. It replaces the C engine that shipped in every 4.x release. For applications nothing changes: it is sti...

Extended vocabulary of metadata terms maintained by DCMI; includes DCMES elements plus properties, classes, datatypes, and encoding schemes for RDF and Linked Data

Johns Hopkins APL is hiring a Senior Ontologist in Laurel, Maryland. Review all of the job details and apply today!

controlled vocabulary covering all areas of interest of the Food and Agriculture Organization of the United Nations (such as food, nutrition, agriculture, fisheries, forestry, environment etc.) publis...

data model and vocabulary for bibliographic description

standardized subject headings and additional entry terms for the field of economics

ontology for describing the function of genes and gene products

multilingual thesaurus for information retrieval by UNESCO

ontology for vertebrate breed classification and characteristics

database and ontology of molecular entities focused on small chemical compounds

thesaurus for describing items of art, architecture, and material culture

What's Changed Sparql enhancements by @nonodename in #72 Merge in sql2rdf 2.1.7 by @nonodename in #75 Restore prior allow_parser_override_extension setting on disable_sparql_parser by @nonodename ...

data format for metadata about datasets

Remote: United States

Company Overview Siemens Digital Industries Software is a leading provider of solutions for the design, simulation, and manufacture of products across many different industries. Formula 1 cars, skyscr...

visual knowledge graph explorer with SPARQL, in the browser, configurable with SHACL

This Release contains relatively minor updates and fixes. Changes 3.5.2 - 2026-09-22 Added Added SHACL QA shapes to catch QuantityKindDimensionVector data-quality issues going forward: missing uni...

embeddable SPARQL and RDF graph database written in Rust, with Python, JavaScript, and CLI bindings

multi-modal database system written in Rust

formal ontology of human disease

FAIRsFAIR Research Data Object Assessment Service

modular knowledge-graph querying framework

London; Malmö

2 days ago - As an AI Architect, you will be a part of an Agile team to build healthcare applications and implement new features while adhering...

flexible modeling framework that allow for working with semantic web standards alongside a modern data stack

materials science mid-level ontology building on BFO

This Release contains relatively minor updates and fixes. Changes 3.5.2 - 2026-09-22 Added Added SHACL QA shapes to catch QuantityKindDimensionVector data-quality issues going forward: missing uni...

platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

embeddable SPARQL and RDF graph database written in Rust, with Python, JavaScript, and CLI bindings

Eclipse RDF4J: scalable RDF for Java

knowledge graph of cybersecurity countermeasures

Schema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.

single-file faceted browser for RDF graphs using SPARQL endpoints

The Ontology2Graph project as described in the "Sur la génération de grands graphes de connaissances synthétiques à l’aide de modèles de langage (LLM) via une approche Ontology2Graph" paper present...

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaSc...

4.25.0 (2026-09-23) Features overhaul structured request and performance logging (#481) (cef1c4a)

DKG v10.0.18 Nodes for AI agents now run leaner and get up to speed in seconds. DKG v10.0.18 cuts the blockchain traffic a node generates and speeds up how quickly a new node becomes useful. Edge n...

vocabulary encoding schemes for specified RDA properties

Fluree’s platform enables trusted, linked, and composable data

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Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team

open-source framework that builds ontology-grounded knowledge graphs as persistent memory for AI agents

foundational framework ontology mapping other upper ontologies