CONSENT OF INDEPENDENT ACCOUNTANTS

        We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 333-40188, 333-66260 and 333-85363) of OneSource
Information Services, Inc. of our reports dated February 1, 2002 relating to
the consolidated financial statements and financial statement schedule, which
appear in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts
March 27, 2002