WebFilter: A High-throughput XML-based Publish and Subscribe System
João Pereira, Françoise Fabret, Hans‐Arno Jacobsen, François Llirbat, Dennis E. Shasha · 2001
n formats and standards. The predominant format currently addressing this issue is the eXtensible Markup Language (XML). It supports, for instance, web site presentation, wireless access, and voice activated access for mobile and Internet users alike. Examples of information services include user prole-based content delivery, subscription-based noti cation, and targeted advertisement distribution to network participants. In wireless networks, even the location of a user can be exploited when supplying information to her mobile device. Push-based messaging including audio, short message service (SMS), e-mail, multimedia messaging, cell broadcast, picture messages, surveys, or pushed advertisement and content are emerging application scenarios, that require high-throughput selective information dissemination systems. However, targeted information dissemination, at least in the case of advertisements onto mobile devices, will only be eective { and may only be legally permissible { if