Open Corporates, one of the companies being incubated at London’s Open Data Institute, has developed in-depth analyses of corporate structures and mapped those structures to make them visible.

Maintaining the speed of search gets harder as Enigma.io adds more data; by mid-2013, the company had 100,000 datasets (essentially, 100,000 large data tables) and more than 20 billion individual data points. On the other hand, figuring out how to incorporate new datasets gets easier over time, because there are only so many different kinds of data

Sentiment analysis deals with the potential biases of Twitter, blogs, and various review sites by aggregating and analyzing Open Data from all of them, in the hope that the combined data will be more representative and accurate.

where measurements can be openly accessed and evaluate and analyzed.”

Now a new type of Open Data, called Smart Disclosure, is helping consumers navigate these confusing markets. And it’s providing new business opportunities for

An unusual firm, New York–based ideas42, is dedicated to “using behavioral economics to do good” and does various projects on consumer decision making. The company, described as a

reputation, good and bad, than most focus groups can. Monitoring the social web and the Open Data derived from it can be a primary source of marketing intelligence.

Urban transportation has been transformed by Open Data analyses that route buses more efficiently and control traffic by rerouting cars in real time.

“The Reputation Score, as we envision it, is intel on you—whether you’re an individual professional or a large enterprise,”