IBM has agreed to acquire Cloudant, a cloud database company backed by In-Q-Tel, Rackspace, Devonshire Investors and Samsung Ventures, to "help its clients take advantage of big data, cloud and mobile."

IBM has agreed to buy Cloudant, a US-based distributed database-as-a-service (DBaaS) company, for an undisclosed sum.

Most recently, in May 2013, Cloudant raised a $12m series B funding round from Devonshire Investors, the corporate venturing unit of mutual fund manager Fidelity, Rackspace Hosting, Toba Capital, The series B round has also seen Cloudant’s existing investors In-Q-Tel, Avalon Ventures and Samsung Venture Investment Corporation.

“IBM is leading the charge in helping its clients take advantage of big data, cloud and mobile,”…