ii iii ABSTRACT Electronic messaging is a critical application that enables electronic communication between a very large collection of principals. However, it is challenged by limits in flexibility, integration, and security. Due to these limits principals are not typically willing to or in some cases not able to accept all types of communications from different parties. This thesis explores t...

Electronic devices such as mobile phones are quickly becoming a popular way to gather participant reports of everyday thoughts, feelings, and behaviors, including food cravings and intake. Electronic devices offer a number of advantages over alternative methods such as paper-and-pencil (PNP) assessment including automated prompts, on-the-fly data transmission, and participant familiarity with a...

In this paper, we have focused on using the bolero.net community in the semantic web and grid environment. Bolero.net represents a community with the ambitious initiatives to standardise world trade messaging and to create a community for more efficient international trade. Bolero.net uses a protocol called boleroXML that represents a set of standard electronic documents with the aim of facilit...

An electronic communication system, especially if it is designed to accommodate open access via public terminals can allow information-disadvantaged groups (such as the homeless, and women) to exchange relevant information and engage in political action. The Public Electronic Network (PEN), a free computer-based messaging system available to Santa Monica, CA residents, allowed homeless and “hom...

This paper reviews the existing electronic assistance for blind people. Currently, blind people use a traditional cane as a tool for directing them when they move from one place to another. Visually impairment is a factor that greatly reduces the mobility of people. Currently the most widespread and used mean by the visually impaired people are the white stick, however it has limitation. With t...

This chapter proposes that, as a method which has engaged with interaction in other contexts, conversation analysis (CA) should be used to analyze electronic interactions. The adoption of CA leads to a number of methodological pointers and this chapter reviews some of these. The authors firstly overview previous research on electronic discourse, including work which has also applied CA to elect...

This memo defines a MIME content-type that may be used by a mail user agent (UA) or electronic mail gateway to report the disposition of a message after it has been sucessfully delivered to a recipient. This content-type is intended to be machine-processable. Additional message headers are also defined to permit Message Disposition Notifications (MDNs) to be requested by the sender of a message...