About dataopen.eu

dataopen.eu is a search engine for open data published by governments. dataopen.eu enables users to discover information "hidden" in open data by indexing the full contents of open data files. On the contrary, other open data portals search only metadata and not the actual files.

For more info, check out this nice article about dataopen.eu: EPSI Platform post: Searching Open Data like never before with dataopen.eu »

What is open data?

Open data is the idea that some data should be freely available to everyone to use and republish as they wish, without restrictions from copyright, patents or other mechanisms of control. For more information read Wikipedia article on open data.

Where does dataopen.eu get its data?

dataopen.eu gets its data from 97 open data portals via their open Web APIs. We have data from the following portals:

Is there an API?

Yes, there is a simple REST API. Please check out the API documentation.

Is it legal to search open data?

Yes, because dataopen.eu uses only open data which have no restrictions by definition. For more information, read the Wikipedia article on open data.

Who owns/maintains dataopen.eu?

Vangelis Banos owns and maintains dataopen.eu as a personal research project since 2015.

What is the hardware and software infrastructure of dataopen.eu?

The system operates on a single server using Intel(R) i7-2600 CPU @ 3.40GHz with 32GB RAM and 2 TB disk.

Regarding software, we have developed a custom HHVM front-end and Python 3 back-end application. We use ElasticSearch, Apache Tika, MariaDB & Redis for data storage and processing.

How do I send feedback/bug reports about dataopen.eu?

Please contact the creator and maintainer of dataopen.eu, Vangelis Banos.