Instant Messaging is today’s killer application. Millions of consumer users are exploring the implications of real-time text messaging and finding that it is a perfect supplement to and, in some cases, substitute for voice communications. The enterprise market has only recently begun considering applications to business collaboration, and has found that consumer products are not generally suita...

Opportunistic networks, which are wireless network ”islands” formed when transient and highly mobile nodes meet for a short period of time, are becoming commonplace as wireless devices become more and more popular. It is thus imperative to develop communication tools and applications that work well in opportunistic networks. In particular, group chat and instant messaging applications are parti...

years, research fi ndings have been less conclusive about the benefi ts of this technology on school performance [3]. The Internet can provide a wealth of educational resources for students and can be benefi cial towards increasing academic performance; however, noneducational sites may do just the opposite. Specifi cally, many non-educational type sites may actually serve to distract young peo...

It was, until Jeremie Miller developed the idea of XML streams in 1998 and built a working implementation in the jabberd instant messaging and presence server that he released in early 1999. Since then, many more implementations have been written, the core XML streaming protocol has been formalized by the IETF under the name Extensible Messaging and Presence Protocol (XMPP), and Jabber/XMPP tec...

This paper presents the results of an exploratory study conducted to investigate the public perception towards crime information shared by the crowds. Information required for the study was obtained through a survey, self-administered questionnaires distributed to the crowds in public areas including shopping mall, food court, mosque, and institutes of higher learning in Selangor, Malaysia as w...

In instant messaging (IM) systems, it is useful to know during an IM conversation whether the other party is composing a message; e.g., typing or recording an audio message. This document defines a new status message content type and XML namespace that conveys information about a message being composed. The status message can indicate the composition of a message of any type, including text, vo...