Mountain View, Calif.--Ariba Inc. has launched a series of online education courses and a learning portal. The courses are intended to provide training on Ariba's e-marketplace platforms, and are aimed at its clients, partners and employees. The courses, which are delivered through the portal, will also focus on non-Ariba product topics, including project management and software programming. Significantly, Ariba will offer offline classes to complement its online ones. The e-learning market is expected to nearly double in size every year through 2003, reaching $11.5 billion by 2003, according to International Data Corp.