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                                                                      EXHIBIT 23



                         CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 333-39408) pertaining to the Information Resources, Inc. 2000 Employee
Stock Purchase Plan, the Registration Statement (Form S-8 No. 333-31182)
pertaining to the Information Resources, Inc. 1999 Restricted Stock Plan and
1999 Nonqualified Defined Contribution Plan, the Registration Statement (Form
S-8 No. 333-31416) pertaining to the Information Resources, Inc. Restricted
Stock Plan--Joseph P. Durrett, the Registration Statement (Form S-8 No.
33-48289) pertaining to the Information Resources, Inc. Employee Nonqualified
Stock Option Plan, the Registration Statement (Form S-8 No. 33-48290) pertaining
to the Information Resources, Inc. Amended and Restated 1992 Stock Option Plan,
the Registration Statement (Form S-8 No. 33-48291) pertaining to the Information
Resources, Inc. 1992 Executive Stock Option Plan, the Registration Statement
(Form S-8 No. 33-52719) pertaining to the Information Resources, Inc. Employee
Nonqualified Stock Option Plan, the Registration Statement (Form S-8 No.
33-52721) pertaining to the Information Resources, Inc. Employee Nonqualified
Stock Option Plan, the Registration Statement (Form S-8 No. 33-54649) pertaining
to the Information Resources, Inc. 1992 Executive Stock Option Plan and the
Registration Statement (Form S-8 No. 333-24041) pertaining to the Information
Resources, Inc. 401(k) Retirement Savings Plan and Trust of our report dated
February 7, 2001 with respect to the consolidated financial statements and
schedule of Information Resources, Inc. included in the Annual Report (Form
10-K) for the year ended December 31, 2000.


ERNST & YOUNG LLP
Chicago, Illinois
March 28, 2001