CDI - SPARQL Endpoint

Query

Enter your SPARQL query, set preferred output format and press "Get Results", Ctrl + Enter or Cmd + Enter (Mac) to execute.

RDF data last updated: 2026-11-05T06:29:00+01:00

Output file format:

Result

◵ Executing query...

Example SPARQL Queries

Below you can find several queries that can be used to query the CDI SPARQL service.

Show the RDF representation of a single dataset (CDI 1018864)

DESCRIBE <https://cdi.seadatanet.org/report/1018864>

Get datasets with a specific theme (SDN:P02::SLCA)

PREFIX dcat: <http://www.w3.org/ns/dcat#> SELECT ?dataset WHERE { ?dataset dcat:theme <https://vocab.nerc.ac.uk/collection/P02/current/SLCA/> . } LIMIT 100

Get the creator(s) of a dataset, and use a federated query to get the name from EDMO

PREFIX dct: <http://purl.org/dc/terms/> SELECT ?creator ?edmoName WHERE { <https://cdi.seadatanet.org/report/1018864> dct:creator ?creator SERVICE <https://edmo.seadatanet.org/sparql/sparql> { ?creator <http://www.w3.org/ns/org#name> ?edmoName . } } LIMIT 1000

Get datasets created by IFREMER (EDMO nr. 486)

PREFIX dct: <http://purl.org/dc/terms/> SELECT ?dataset WHERE { ?dataset dct:creator <https://edmo.seadatanet.org/report/486> . } LIMIT 100

Get datasets within polygon (Bounding box around the Netherlands)

PREFIX geo: <http://www.opengis.net/ont/geosparql#> PREFIX geof: <http://www.opengis.net/def/function/geosparql/> SELECT ?dataset WHERE { ?dataset geo:hasGeometry ?geometry . ?geometry geo:asWKT ?wkt . FILTER (geof:sfWithin(?wkt, "POLYGON((3.0 50.5, 7.0 50.5, 7.0 53.5, 3.0 53.5, 3.0 50.5))"^^geo:wktLiteral)) } LIMIT 100

SPARQL Services

This interface is designed to fetch a small amount of records, to retrieve all records access the service directly using your own SPARQL client. The general SPARQL query service is accessed directly using the SPARQL protocol at /sparql/sparql

Usage Policy for M2M Applications

Anyone is welcome to use this service for any purpose, provided it is done in a fair and responsible manner. Please adhere to the following guidelines:

Request Limit: Do not exceed 1,000 requests per hour to avoid overloading the service.
User Agent: Ensure your requests include an informative user agent string. This will allow us to contact you if necessary. A good example would be: MyApp/1.0 harvester (webmaster@myapp.com).

Failure to follow these guidelines may result in temporary or permanent access restrictions.

Links to SPARQL 1.1 Specifications

The full set of SPARQL specification is: