Open Data Portal Watch

The Open Data Portal Watch framework is a scalable quality assessment and evolution monitoring framework for Open Data (Web) portals. We harvest the metadata of 278 Web catalogues and perform a quality assessment of the metadata along 6 dimensions and 19 metrics.

Available Content

Statistics

Top 10 portals (by datasets)
Portal Datasets Resources
transparenz.hamburg.de 115721 183593
open.canada.ca 82846 198242
www.data.gouv.fr 38804 204167
offenedaten.de 28560 85100
data.gv.at 26373 37905
data.opendatasoft.com 16805 71695
edx.netl.doe.gov 16340 19562
data.overheid.nl 14793 48370
data.humdata.org 11037 69318
data.gov.gr 9778 23335
Top 10 file formats
Format Count Percentage
CSV 210491 14.53%
PDF 164638 11.37%
json 131413 9.07%
HTML 123586 8.53%
csv 117000 8.08%
other 111932 7.73%
xml 69655 4.81%
JSON 37123 2.56%
ZIP 36471 2.52%
shp 35547 2.45%
Top 10 licenses
License Count Percentage
Open Government Licence - Canada 192483 15.19%
Creative Commons Namensnennung 4.0 International 72821 5.75%
Creative Commons Attribution 4.0 59089 4.66%
Creative Commons Attribution 58971 4.66%
Public Domain 50905 4.02%
Creative Commons Αναφορά 50848 4.01%
Creative Commons Atribuição 50848 4.01%
Creative Commons Attribuzione 50848 4.01%
dl-de-by-2.0 47177 3.72%
CC BY 4.0 37954 3.0%