Enterprise information integration (EII), is the ability to support a unified view of data and information for an entire organization. In a
data virtualization application of EII, a process of
information integration, using
data abstraction to provide a unified interface (known as
uniform data access) for viewing all the data within an organization, and a single set of structures and naming conventions (known as
uniform information representation) to represent this data; the goal of EII is to get a large set of
heterogeneous data sources to appear to a user or system as a single, homogeneous data source.