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Open Data FAQ

What is Open Data?

Most often, open data refers to the idea that data controlled by a government body should be accessible to citizens and other government bodies in a structured format. The concept of open data can be broken down into three levels:

What is an Open Standard?

In the context of open data, an open standard typically refers to a data format whose specification is freely available to be read and implemented by anybody. Data available in an open standard is often the most accessible to analysts, journalists, and programmers, as anybody can access the tools and information needed to work with that data. Because of this, open standards often support competitive markets of applications and organizations that perform similar services on similar types of data.

What is an API?

API stands for Application Programmer Interface.

A web page is an interface for people to be able to read and interact with the information that a certain website or application provies. On well designed web pages, a lot of work goes into making a page so that people can find the information they want, understand that information, find all the ways to interact with that information (such as submiting new or updated information), and easily interact with that information.

An API does the same thing, except it is designed to be an interface for other computer programs. The very things that can make a web page a great inteface for people - images, layout, styling, interactive maps - make them very difficult for a computer program to work with. Computer programs are only interested in the actual data, everything else is clutter to the program. Thus, APIs provide a way for a computer program to request and interact with that data without the clutter.

As an example, consider this page that displays weather information for St. Paul. When a computer program visits the weather page, this is what it sees. If a computer program instead uses an API to get whether and forecast information, it will see this and this. The API provides much cleaner and structured results for a computer program to work with.

For those interested in learning more about what APIs are and how to create them, Zapier provides a free, great, and fairly quick introductory course to APIs.

Do City reports provide access to city data?

Not to the level that open data does. A report published by the city represents a finished presentation of data. The report includes analysis, formatting and layout, and commentary that is meant to be read by people, and often meant to be read by a certain audience. While these presentations of data are valuable, they usually do not provide the raw, structured data required by others who wish to create their own analyses, presentations, or new applications.

Which cities officially support open data?

A report by the San Diego Data Bank recently analyzed the policies of 8 major US and Canadian cities that have implemented open data programs in the last seven years. These cities include Austin, Chicago, Philadelphia, Portland, New York, San Francisco, Washington, D.C. At the federal level, the White House has also implemented an open data policy for the executive branch.

How can activists use open data?

Open data can have a big impact on what activists can learn about their governments, how they decide to take action, and how they tell their stories to the broader public.

If you want to find out how open data can become part of your campaigns and activism, Tactical Tech has a couple of great resources to get you started:

Is there more information available on Open Data?

Yes, tons more. The Kansas City Code for America Fellowship Class put together a fantastic open government and open data resource with dozens and dozens of links. The Kansas City resource includes links to example open government policies, digital roadmaps, digital government design principles, open data frameworks, open data policies, open data schedules, and open data portals.

The Sunlight Foundation’s Local Policy program also provides a tremendous source of open data information. Based on the experience of dozens of cities and states across the country, Sunlight created an exhaustive list of principals and guidelines that open data policies should or can elect to include. Sunlight also provides case studies of open data’s impact in specific issues, including crime, campaign finance, and zoning.