Before revision: URL Interoperability Specification Matrix (ISM) The Interoperability Specification Matrix (ISM) defines a 5-column-by-3-row matrix (“table”) which distributes the multiple aspects of a given component’s specification across the various cells of the matrix.
After revision: Interoperability Specification Matrix (ISM) The Interoperability Specification Matrix (ISM) defines a 5-column-by-3-row matrix (“table”) which distributes the multiple aspects of a given component’s specification across the various cells of the matrix.