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Update June 18: The data sets for data in sight can now be found on Factual and Infochimps (choose from either one). 

We encourage you to mashup the data in sight data sets provided above with other data you find on Factual, or the other data platforms listed below.

In the spirit of promoting openness and transparency, and to make sure everyone starts on an even playing field, we require that all datasets for this hackathon are Open Data and are available to all participants. To that end, we request that you upload all the datasets you plan to use onto the Factual platform at  To upload, simply create a Factual account and login – and add to your dataset title “- for Data in Sight” so we can identify it.
We have made a special exception to include LinkedIn data for the purposes of our competition. Though LinkedIn is a strong supporter of openness and has been working hard to make their data open and accessible, there are privacy-related legal barriers they have yet to overcome. LinkedIn data can be accessed through their open API, which will be presented on Friday night. We encourage participants to mix LinkedIn’s rich social data with the other datasets provided.

Factual will be the designated API platform for data in sight.  Factual, Inc. is an open data platform for application developers that leverages large scale aggregation and community exchange. Factual’s hosted data comes from their community of users, developers and partners, and from their powerful data mining tools. The result is a rich, constantly improving, transparent data ecosystem, made up of what is often called “living” data. They provide a suite of simple data APIs and tools for developers to build web and mobile applications.

Information on the Factual APIs and tools can be found on the Factual developer wiki.  You may sign up for a key here.

Freebase is an open, Creative Commons-licensed repository of structured data of almost 22 million entities. An entity is a single person, place, or thing. Freebase connects entities together as a graph.

Ways to use Freebase:

  • Use Freebase’s IDs to uniquely identify entities anywhere on the web
  • Query Freebase’s data using MQL
  • Build applications using Freebase’s API or Acre, their hosted development platform

Freebase is also a community of thousands of data-lovers, working together to improve Freebase’s data.

InfoChimps is a place to find data that can be read by both people and machines. They seek to help developers, analysts and researchers find, share and sell this data. It is available in a downloadable format you can host themselves, as well as a hosted format you can access with a data API key.

OpenStreetMap creates and provides geographic data such as street maps free to anyone who wants to use them. The project was launched as a means to provide open access to maps with legal or technical restrictions on their use, freeing them to be used in creative, productive, or unexpected ways. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.

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