Group communication among multiple entities is required in distributed applications like groupware systems. In addition to conventional wide-area networks, local area networks (LANs) and radio networks are available to realize the applications. The LANs and radio networks provide broadcast communication at the media access control (MAC) layer, that is, every communication entity, i.e. station c...

Diseases capture public attention in varied ways and to varying degrees. In this essay, we use a unique data set that we have collected about print and broadcast media attention to seven diseases across nineteen years in order to address two questions. First, how (if at all) is mortality related to attention? Second, how (if at all) is advocacy, in the form of organized interest group activity,...

This document is embargoed until it is delivered at 9:30 a.m. (EDT) on Thursday, April 18, 2013. The contents may not be published, transmitted, or otherwise communicated by any print, broadcast, or electronic media before that time.

In wired networks, the broadcast data packets can be easily and safely delivered to destinations. Nevertheless, it is a big challenge to transfer the broadcast frames over the IEEE 802.11 based multi-hop ad hoc wireless networks due to the high bit error rate, the high collision probability, and the lake of acknowledgement (ACK). Unfortunately, most of routing protocols need the broadcast funct...

'DU bist Radio' (DBR) is an award winning [DBR has been awarded with the "Catholic Media Award of the German Bishops Conference, Prädikat WERTvoll" (2011), the Suisse "Media Prize Aargau/Solothurn" (2010), the German "Alternative Media Award" (2009) and was nominated for the "Prix Europa" (2009)] monthly radio format that goes on air on three Swiss radio stations. The purpose of this program wh...

AIMS To estimate (1) the immediate impact; (2) the cumulative impact; and (3) the duration of impact of Scottish tobacco control TV mass media campaigns (MMCs) on smoking cessation activity, as measured by calls to Smokeline and the volume of prescribed nicotine replacement therapy (NRT). DESIGN Multivariate time-series analysis using secondary data on population level measures of exposure to...

Researching second screen interactions that form a social soundtrack concerning a major broadcast media event, we perform statistical analysis on more than 800 K postings and 50 K blogs of Super Bowl XLIX on Instagram and Tumblr respectively for three categories (commercials, music and game) during three phrases (Pre, During, and Post) identifying the influence of different social soundtrack fe...

As social media has become more integrated into peoples’ daily lives, its users have begun turning to it in times of distress. People use Twitter, Facebook, YouTube, and other social media platforms to broadcast their needs, propagate rumors and news, and stay abreast of evolving crisis situations. Disaster relief organizations have begun to craft their efforts around pulling data about where a...

In Taiwan, there are different types of TV programs, and each program usually has its broadcast length and frequency. We accumulate the broadcasted TV programs’ word-ofmouth on Facebook and apply the Backpropagation Network to predict the latest program audience rating. TV audience rating is an important indicator regarding the popularity of programs and it is also a factor to influence the rev...