Electronic mail, email, is one of the most widespread computer applications today. While email in general is very popular among its users, there are also drawbacks with email usage: an increasing amount of messages that overwhelm users, systems that are too complex for naive users and at the same time do not support the needs of experienced users. In order to answer the main research question “...

Rajeshwar Singh Department of Electronics and Communication Engineering, Gateway Institute of Engineering and Technology, Sonipat, Haryana-131001 (India) Email: [email protected] Dharmendra K Singh Department of Electronics and Communication Engineering, BIT Sindri, Dhanbad, Jharkhand (India) Email:[email protected] Lalan Kumar IT Centre, Central Institute of Mining and Fuel Resear...

In the age of social networks, it is very popular to analyze Twitter and Facebook to detect relationships and communities and to discover how information flows between groups. However, both Facebook and Twitter are examples of “performed” social networks: because a user has full control over who he or she “friends” or “follows,” he can artificially create a persona that he wishes the outside wo...

Rapid development of various kinds of social networks within the Internet enabled investigation of their properties and analyzing their structure. An interesting scientific problem in this domain is the assessment of the node position within the directed, weighted graph that represents the social network of email users. The new method of node position analysis, which takes into account both the...

BACKGROUND The doctor-patient relationship has been eroded by many factors. Would e-mail enhance communication and address some of the barriers inherent to our medical practices? METHODS Of our study population, 4 physicians offered e-mail communication to participating patients and 4 did not. Both patients and physicians completed questionnaires regarding satisfaction, perceived quality, con...

The increasing use of email for phishing and unsolicited marketing has reduced the trustworthiness of email as a communication medium. Sender authentication is a known defense against these attacks. Existing proposals for sender authentication either require infrastructural support or break compatibility with existing email infrastructure. We propose, implement, and evaluate social-group key au...