XSI may refer to: Softimage XSI, a high-end three-dimensional (3D) graphics application, South Indian Lake Airport, the IATA code for the airport in Canada, Canon EOS 450D, a DSLR camera from Canon, X/Open System Interfaces Extension, a supplementary specification to the Single UNIX Specification, A conventional XML namespace prefix for XML Schema instance information, This disambiguation page lists articles associated with the same title., If an internal link led you here, you may wish to change the link to point directly to the intended article.

Source: Wikipedia

Text from this biography licensed under creative commons license