Trigo

Spec sheet

Product

Trigo is an RDF triplestore and SPARQL query engine written in Go.Read 9 Oct 2026 · trigodb.com

Support

The quick start guide directs users to the project documentation and source code for help.Read 9 Oct 2026 · trigodb.com

License

The Trigo documentation site states that the project is licensed under MIT.Read 9 Oct 2026 · trigodb.com

Compliance results

The site reports 99.9% combined RDF parser test compliance and 74.4% overall SPARQL test results.Read 4 Oct 2026 · trigodb.com

Execution limitation

The architecture page describes query execution as single-threaded and says joins currently use nested loops only.Read 9 Oct 2026 · trigodb.com

Library and server

Trigo can be used as a library in Go applications or run as a standalone SPARQL endpoint server.Read 9 Oct 2026 · trigodb.com

Limits

The documentation lists SPARQL 1.1 aggregates, GROUP BY, property paths, subqueries, VALUES, and UPDATE operations as not yet implemented.Read 4 Oct 2026 · trigodb.com

Query interface

It provides an HTTP SPARQL endpoint described as compliant with the W3C SPARQL 1.1 Protocol.Read 4 Oct 2026 · trigodb.com

Querying

Its HTTP endpoint supports the W3C SPARQL 1.1 Protocol and JSON, XML, CSV, and TSV result formats.Read 9 Oct 2026 · trigodb.com

RDF formats

The documentation lists Turtle, N-Triples, N-Quads, TriG, RDF/XML, and JSON-LD formats.Read 9 Oct 2026 · trigodb.com

SPARQL limitation

The documentation lists aggregates, GROUP BY, property paths, subqueries, VALUES, and UPDATE operations as unsupported or not yet implemented.Read 9 Oct 2026 · trigodb.com

Standards validation

The site reports 100% RDF 1.1 parser test results and 74.4% overall SPARQL test results.Read 9 Oct 2026 · trigodb.com

Storage

Trigo uses BadgerDB storage with an 11-index architecture.Read 9 Oct 2026 · trigodb.com

Transactions

The architecture documentation says read transactions use snapshot isolation and write transactions use atomic batch commits.Read 9 Oct 2026 · trigodb.com

Use

It provides a triplestore for storing and querying RDF data using SPARQL.Read 9 Oct 2026 · trigodb.com

Ways to use

The documentation describes running Trigo as a standalone endpoint server or using it as a library in Go applications.Read 4 Oct 2026 · trigodb.com

Web interface

The quick start guide describes a browser interface with a SPARQL editor, result visualizations, query history, saved queries, and database statistics.Read 9 Oct 2026 · trigodb.com

Where Specifiction places it

• RDF Databases#25 of 266.8