Open Data

Open Data

What is open data?

“A piece of data or content is open if anyone is free to use, reuse, and redistribute it — subject only, at most, to the requirement to attribute and/or share-alike.” The key features of openness are: Availability and access: the data must be available as a whole and at no more than a reasonable reproduction cost, preferably by downloading over the internet. The data must also be available in a convenient and modifiable form. Reuse and redistribution: the data must be provided under terms that permit reuse and redistribution including the intermixing with other datasets. The data must be machine-readable. Universal participation: everyone must be able to use, reuse and redistribute — there should be no discrimination against fields of endeavour or against persons or groups. For example, ‘non-commercial’ restrictions that would prevent ‘commercial’ use, or restrictions of use for certain purposes (e.g. only in education), are not allowed.

What kinds of open data are there?

There are many kinds of open data that have potential uses and applications: Cultural: Data about cultural works and artefacts — for example titles and authors — and generally collected and held by galleries, libraries, archives and museums. Science: Data that is produced as part of scientific research from astronomy to zoology. Finance: Data such as government accounts (expenditure and revenue) and information on financial markets (stocks, shares, bonds etc). Statistics: Data produced by statistical offices such as the census and key socioeconomic indicators. Weather: The many types of information used to understand and predict the weather and climate. Environment: Information related to the natural environment such presence and level of pollutants, the quality and rivers and seas. Transport: Data such as timetables, routes, on-time statistics.

Why is it important to open the data?

Why should data be open? The answer, of course, depends somewhat on the type of data. However, there are common reasons such as: Transparency: In a well-functioning, democratic society citizens need to know what their government is doing. To do that, they must be able freely to access government data and information and to share that information with other citizens. Transparency isn’t just about access, it is also about sharing and reuse — often, to understand material it needs to be analyzed and visualized and this requires that the material be open so that it can be freely used and reused. Releasing social and commercial value: In a digital age, data is a key resource for social and commercial activities. Everything from finding your local post office to building a search engine requires access to data, much of which is created or held by government. By opening up data, government can help drive the creation of innovative business and services that deliver social and commercial value. Participation and engagement: Participatory governance or for business and organizations engaging with your users and audience. Much of the time citizens are only able to engage with their own governance sporadically — maybe just at an election every 4 or 5 years. By opening up data, citizens are enabled to be much more directly informed and involved in decision-making. This is more than transparency: it’s about making a full “read/write” society, not just about knowing what is happening in the process of governance but being able to contribute to it.

How can you open your data?

Have a look at the Open Data Handbook!

Where can open data unlocked by Open Knowledge Ireland?

Please feel free to re-use data we liberated and published under CC 4.0 (BY-SA) licence

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