| image | text endpoint | svg endpoint | data source | description |
|---|---|---|---|---|
 |
txt | svg | govdata.de | Info box on start page |
 |
txt | svg | govdata.de/web/guest/daten | Data counter on data page |
 |
txt | svg | govdata.de/web/guest/sparql-assistent | Result of the SPARQL query SELECT (COUNT(?dataset) AS ?datasets) WHERE { ?dataset a dcat:Dataset . } |
 |
txt | svg | govdata.de/web/guest/sparql-assistent | Result of the SPARQL query SELECT ?datasets ?distributions (?distributions / ?datasets AS ?averageDistributionsPerDataset) WHERE {{ SELECT (COUNT(?dataset) AS ?datasets) (SUM(?distributionsPerDataset) AS ?distributions) WHERE {{ SELECT ?dataset (COUNT(?distribution) AS ?distributionsPerDataset) WHERE { ?dataset a dcat:Dataset . ?dataset dcat:distribution ?distribution . } GROUP BY ?dataset }}}} LIMIT 100 |
 |
txt | svg | ckan.govdata.de/api/3/action/package_list | Length of the dataset list on CKAN endpoint |
 |
txt | svg | ckan.govdata.de/catalog.rdf | Total items count of pagination info in DCAT-AP.de endpoint and data counter on this page: https://ckan.govdata.de/dataset/ |
 |
txt | svg | data.europa.eu/data/datasets?catalog=govdata | Data counter for GovData on EU data portal |
 |
txt | svg | data.europa.eu/catalogue-statistics/CurrentState | Data counter for GovData on the EU data portal statistic page (updated monthly) |
| https://ckan.govdata.de/api/3/action/package_search?rows=1&start=0 |
A monitoring dashboard: https://opendata.guru/govdata/index.html
The OpenAPI description: /openapi.yaml
Count all datasets:
- use new OpenAPI documentation: https://opendata.guru/govdata/api.html
Get a list of all contributors and some more meta data:
- use new OpenAPI documentation: https://opendata.guru/govdata/api.html
Get a list of all datasets:
- use new OpenAPI documentation: https://opendata.guru/govdata/api.html
Get system status information:
- use new OpenAPI documentation: https://opendata.guru/govdata/api.html
Convert RS (Regionalschlüssel) to GEOJSON file:
- https://opendata.guru/govdata/get/rs-to-geojson.php
- https://opendata.guru/govdata/get/rs-to-geojson.php?rs=04
- https://opendata.guru/govdata/get/rs-to-geojson.php?rs=04,06
Parameter length in GET method is limited to some KByte (depend on Browser support).
You can use rs as POST parameter to prevent this limitation.
- https://opendata.guru/govdata/get/rs-to-geojson.php and POST parameter
rs=04,06
And service endpoints:
- https://opendata.guru/govdata/service/artery.php
- https://opendata.guru/govdata/service/get-and-store-ckan-organizations.php
- https://opendata.guru/govdata/service/get-and-store-ckan-dataset-counts.php
- https://opendata.guru/govdata/service/get-and-store-systems.php
- https://opendata.guru/govdata/service/create-map.php
- https://opendata.guru/govdata/service/create-monitoring.php
(use a cron job service like https://cron-job.org)
Regionalschlüssel:
Die hier angebotenen Geodaten stehen über Geodatendienste gemäß der Open Data Datenlizenz Deutschland – Namensnennung – Version 2.0 geldleistungsfrei zum Download und zur Online-Nutzung zur Verfügung. Insbesondere hat jeder Nutzer den Quellenvermerk zu allen Geodaten, Metadaten und Geodatendiensten erkennbar und in optischem Zusammenhang zu platzieren. Veränderungen, Bearbeitungen, neue Gestaltungen oder sonstige Abwandlungen sind mit einem Veränderungshinweis im Quellenvermerk zu versehen. Quellenvermerk und Veränderungshinweis sind wie folgt zu gestalten. Bei der Darstellung auf einer Webseite ist der Quellenvermerk mit der URL "http://www.bkg.bund.de" zu verlinken. © GeoBasis-DE / BKG (Jahr des letzten Datenbezugs) © GeoBasis-DE / BKG (Jahr des letzten Datenbezugs) (Daten verändert)
- start with GovData (or data.europe.eu ?)
- get a list of all organisations (data providers)
- the CKAN endpoint for organisations count the datasets
- classify the data provider per hand (other portal, municipal unit, museum, ...)
- go to the origial portal / website and count the datasets (if possible)
- get a list of all organisations ...
- check for recursion!!!
Go to open data portal SPARQL query page:
- learn SPARQL https://data.europa.eu/de/about/sparql
- https://data.europa.eu/data/sparql?locale=en
- endpoint
https://data.europa.eu/sparql
- endpoint
Run some queries:
List 10 datasets
PREFIX dcat: <http://www.w3.org/ns/dcat#>
PREFIX odp: <http://data.europa.eu/euodp/ontologies/ec-odp#>
PREFIX dct: <http://purl.org/dc/terms/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT * WHERE { ?d a dcat:Dataset } LIMIT 10
Get a list of all catalogues on data.europa.eu
PREFIX dcat: <http://www.w3.org/ns/dcat#>
PREFIX dct: <http://purl.org/dc/terms/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT DISTINCT ?parentCatalog ?catalog ?title ?spatial ?typePublisher ?homepage ?email
WHERE {?catalog ?p ?o.
FILTER (?o=<http://www.w3.org/ns/dcat#Catalog>)
OPTIONAL {?catalog <http://purl.org/dc/terms/title> ?title}
OPTIONAL {?parentCatalog <http://purl.org/dc/terms/hasPart> ?catalog}
OPTIONAL {?catalog <http://purl.org/dc/terms/spatial> ?spatial.}
OPTIONAL {?catalog <http://purl.org/dc/terms/publisher> ?publisher.
OPTIONAL {?publisher <http://xmlns.com/foaf/0.1/homepage> ?homepage.}
OPTIONAL {?publisher <http://xmlns.com/foaf/0.1/mbox> ?email.}
OPTIONAL {?publisher <http://purl.org/dc/terms/type> ?typePublisher.}
}
}
ORDER BY DESC (?spatial)
Publishers by catalogue
PREFIX dcat: <http://www.w3.org/ns/dcat#>
PREFIX odp: <http://data.europa.eu/euodp/ontologies/ec-odp#>
PREFIX dct: <http://purl.org/dc/terms/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT DISTINCT ?publisher ?publisherName ?publisherLabel
WHERE {
<http://data.europa.eu/88u/catalogue/govdata> a dcat:Catalog;
dcat:dataset ?datatsetURI.
?datatsetURI dct:publisher ?publisher.
OPTIONAL {?publisher foaf:name ?publisherName}
OPTIONAL {?publisher skos:prefLabel ?publisherLabel}
}
LIMIT 25