Strabon

Spec sheet

Product

Strabon is a spatiotemporal RDF store for storing linked geospatial data that changes over time and querying it with extensions of SPARQL.Read 7 Oct 2026 · strabon.di.uoa.gr

Platforms

Repository instructions cover installation on Ubuntu 20.04 and Windows; the page says some listed PostgreSQL tuning options do not work on Windows.Read 7 Oct 2026 · github.com

Deployment

The repository installation instructions describe setting up Strabon with PostgreSQL 12 and PostGIS 3.0, building it with Maven, and deploying an endpoint on Tomcat.Read 7 Oct 2026 · github.com

Support

The project lists separate mailing lists for users and developers; the developers channel also receives check-in messages.Read 7 Oct 2026 · strabon.di.uoa.gr

License

Strabon is released under the Mozilla Public License.Read 7 Oct 2026 · strabon.di.uoa.gr

Backend

Strabon extends RDF4J components to manage thematic, spatial, and temporal data stored in a backend relational database.Read 7 Oct 2026 · strabon.di.uoa.gr

Documentation

The download page links to an stRDF and stSPARQL tutorial and provides an stSPARQL reference describing spatial and temporal extension functions.Read 7 Oct 2026 · strabon.di.uoa.gr

Download

The download page directs users to the project's GitHub repository for the latest version.Read 7 Oct 2026 · strabon.di.uoa.gr

GeoSPARQL scope

The site says implementation of the other GeoSPARQL components is underway.Read 7 Oct 2026 · strabon.di.uoa.gr

Maintainer

The project site credits the KRR&A Team and links to the Department of Informatics and Telecommunications at the National and Kapodistrian University of Athens.Read 7 Oct 2026 · strabon.di.uoa.gr

Query languages

Strabon supports stSPARQL for querying data represented in stRDF, and a subset of GeoSPARQL for static geospatial RDF data.Read 7 Oct 2026 · strabon.di.uoa.gr

Spatial data

It supports spatial datatypes and serializes geometric objects in OGC WKT and GML formats.Read 7 Oct 2026 · strabon.di.uoa.gr

Spatial queries

It offers spatial selections and joins, spatial functions, and support for multiple Coordinate Reference Systems.Read 7 Oct 2026 · strabon.di.uoa.gr

Technology

Strabon extends Sesame, now called RDF4J, and uses its components to manage thematic, spatial, and temporal data stored in a backend RDBMS.Read 7 Oct 2026 · strabon.di.uoa.gr

Temporal data

It supports valid time for triples, temporal functions, and modeling temporal domains and concepts such as events and facts that change over time.Read 7 Oct 2026 · strabon.di.uoa.gr

Use case

The site describes Strabon being used to store and query timeseries data in a MELODIES use case.Read 7 Oct 2026 · strabon.di.uoa.gr

Use cases

The project history describes use in applications including precision farming, greenhouse-gas inventories, sea-quality assessment, hazard information services, and groundwater modeling.Read 7 Oct 2026 · strabon.di.uoa.gr

Where Specifiction places it

• RDF Databases#26 of 266.7