November 4, 1998 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 Dear Sir: We have read Item 4 included in the Form 8-K dated October 28, 1998 of Excalibur Technologies Corporation filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, /s/ Arthur Andersen LLP cc: Mr. James Buchanan, CFO, Excalibur Technologies Corporation