1. Editorial introduction

   • Osman Balci

   Legacy Pages: 1 - 1

2. WWW‐based collaboration environments with distributed tool services

   • Gail E. Kaiser
   • Stephen E. Dossick
   • Sonny Xi Ye

   OriginalPaper Pages: 3 - 25

3. The AT&T Internet Difference Engine: Tracking and viewing changes on the web

   • Fred Douglis
   • Thomas Ball
   • Eleftherios Koutsofios

   OriginalPaper Pages: 27 - 44

4. Supporting information evolution on the WWW

   • I. Sommerville
   • T. Rodden
   • A. Dix

   OriginalPaper Pages: 45 - 54