The data may have a different structure.

FORBES: Do You Suffer from the Data Not Invented Here Syndrome?

In fact, there are many new, different structures entering the market, which determine the structure of the data at the time of search, not at the time of storage.

FORBES: Big Data Requires a Big, New Architecture

Business intelligence systems are starting to give structure to raw data in ways that are meaningful to different roles in the organization.

FORBES: Business Intelligence Begs The Need For Collaborative Capabilities