We present the results of two controlled experiments carried out to compare the support given by the ER and UML class diagrams during the maintenance of data models. The experiments involved master ...

Columbia University student data stolen by politically motivated hacker, university says The June 24 cyberattack prompted widespread network outages on campus.

A politically motivated hacker breached Columbia University’s data systems last week, stealing student records and causing widespread disruptions. The June 24 cyberattack shut down campus ...