-- WITH LOGO -- TO BUSINESS AND TECHNOLOGY EDITORS:

CARY, N.C., Feb. 24 /PRNewswire-FirstCall/ -- Dialog, a Thomson (NYSE: TOC) (TSX: TOC) business and a leading worldwide provider of online- based information services and integrated information solutions, reported today that its Dialog NewsEdge service is rated "highly recommended," according to The Information Advisor, an influential newsletter covering the professional information market.

(Logo: http://www.newscom.com/cgi-bin/prnh/20021009/PHW019LOGO )

The newsletter reviewed leading business-focused news alert services and found Dialog NewsEdge to be the top general news alert service available.

Dialog NewsEdge is an industry-specific, personalized current awareness and news alerting service designed primarily for corporations and other large organizations. It combines up-to-the-minute news, analysis and research culled from thousands of global sources. Highly experienced editors, who specialize in individual industry sectors, personally manage customized editorial relevance rankings for each subscribing organization. Business-critical news and research is delivered throughout the working day, and users also can access a searchable archive of content appropriate for their industry.

"We are delighted, but not surprised, that The Information Advisor gave top honors to Dialog NewsEdge," said Cynthia Murphy, Dialog senior vice president of strategic marketing. "The role of the Dialog editors -- to read, review and evaluate news stories throughout the day -- ensures that the service is delivering the most relevant, critical news of the day. When it comes to putting information to work, relevancy is key."

The Information Advisor ( www.informationadvisor.com ) is an international monthly newsletter published by FIND/SVP that provides information professionals with sources and strategies for conducting effective business research. It was founded by editor Robert Berkman in 1988.

For more information on Dialog NewsEdge, please visit http://support.dialog.com/publications/chronolog/200309/1030918.shtml

About Dialog and The Thomson Corporation

Dialog, a pioneer in developing the technology behind electronic information retrieval, is the world leader in providing online-based information services to organizations seeking competitive advantages in such fields as business, science, engineering, finance and law.

Today, the online services provided by Dialog -- offered through the Dialog(R), Dialog Profound(R), Dialog DataStar(TM), NewsEdge and Intelligence Data brands -- give users the ability to precisely retrieve data from more than 1.4 billion unique records, accessible via the Internet or through delivery to enterprise intranets. Searchable content includes articles and reports from thousands of real-time news feeds, newspapers, broadcast transcripts and trade publications, plus research reports and analyst notes providing support for financial decision-making, as well as in-depth repositories of scientific and technical data, patents, trademarks and other intellectual property data. Information professionals and end-users at business, professional and government organizations in more than 100 countries prize Dialog services for their depth and breadth of content, precision searching and speed.

Based in Cary, N.C., USA, Dialog has operations in 31 other countries. Dialog ( www.dialog.com ) is a business of The Thomson Corporation (NYSE: TOC) (TSX: TOC). With 2003 revenues of US $7.6 billion, Thomson ( www.thomson.com ) is a global leader in providing integrated information solutions to business and professional customers.

All designated trademarks used herein are the property of The Dialog Corporation or its subsidiaries. Registered marks are registered by The Dialog Corporation or its subsidiaries with the U.S. Patent and Trademark Office. All other marks are trademarks or registered trademarks of their respective owners.

     In North & South America
      Sandy Scherer
      Director, Corporate Communications
      phone: (U.S.)
      mobile: (U.S.) 
      

      John Buckman
      Buckman Communications, for Dialog
      phone: (U.S.) 
      

     In Europe, the Middle East, and Africa
      Claudette Archer
      Marketing Manager
      Dialog phone: (London) 

     In the Asia Pacific Region
      Christina Cheng
      Regional Marketing Manager
      Dialog phone: (Hong Kong) 
      

SOURCE  Dialog