Instant Messaging (IM) is being widely adopted by teenagers. In a study of 16 teenage IM users, we explore IM as an emerging feature of teen life, focusing our questions on its su...
Instant messaging (IM) has become increasingly popular due to its quick response time, its ease of use, and possibility of multitasking. It is estimated that there are several mil...
Federal agencies implement laws passed by the Congress by creating rules and regulations that can be applied in practice. During this process, staffs at the various agencies may r...
This paper proposes a method for automatically inserting check statements for access control into a given recursive program according to a given security specification. A history-b...
Information graphics (such as bar charts and line graphs) are an important component of many documents. Unfortunately, these representations present serious access challenges for ...