What Is Information Value Chain Analysis?
Information value chain analysis maps the relationships between data model elements and other kinds of enterprise model elements in one or more two-dimensional matrices. The most common such matrix is an entity/process relationship matrix. This matrix is often referred to as a “CRUD” matrix, because the matrix documents which processes “Create, Read, Update and/or Delete” each business data entity. The example below defines some of the process responsibilities for creating, reading, updating and deleting data about some of the business entities found within an Inventory & Warehousing subject area. Figure 2. An Entity/Process “CRUD” Relationship Matrix Building such matrices is a long-standing practice in enterprise modeling. The practice was first introduced by IBM in its Business Systems Planning (BSP) methodology, and popularized by James Martin in his Information Systems Planning (ISP) methodology. The practice is just as valid and useful today. Mapping the relationships between ent
