A SCALABLE MIDDLEWARE FOR WEB DATABASES Athman Bouguettaya, Zaki Malik, Abdelmounaam Rezgui and Lori Korff. Department of Computer Science, Virginia Tech. 7054 Haycock Road. Falls Church, VA. 22044. USA. Ph: 703-538-8343 Fax: 703-538-8348 Email: {athman, zaki, rezgui, lkorff}@vt.edu