The Defense Advanced Research Projects Agency has chosen seven companies for the small business track of the Artificial Intelligence Cyber Challenge. The competing small businesses were evaluated by the Air Force Research Laboratory, the Office of the Undersecretary of Defense for Research and Engineering and the Advanced Research Projects Agency for Health, DARPA said Monday.DARPA will be represented by Kathleen Fisher, director of the Information Innovation Office, at the Potomac Officers Club's 5th Annual Artificial Intelligence Summit on March 21. Register now!