نتایج جستجو برای: youtube

تعداد نتایج: 6248  

Journal: :BJPsych bulletin 2015
Robert Gordon John Miller Noel Collins

YouTube is a video-sharing website that is increasingly used to share and disseminate health-related information, particularly among younger people. There are reports that social media sites, such as YouTube, are being used to communicate an anti-psychiatry message but this has never been confirmed in any published analysis of YouTube clip content. This descriptive study revealed that the repre...

Journal: :Webology 2017
Alireza Noruzi

YouTube has become the object of scientific research in different subject areas. This study aims to provide an overview of the citation rate of YouTube since its launch in February 2005, based on the Scopus citation database. The total number of citations to YouTube in Scopus in the 12 year period was 36,486 of which the highest number of citations was 8,145 in 2016. It is also shown that YouTu...

2011
Jörn Loviscach

Die derzeit zentrale Anlaufstelle für Videos im Internet ist Google YouTube. Diese Plattform mit ihren zahlreichen Zusatzfunktionen wie Sprechblasen und Untertiteln liegt damit nahe, um breitenwirksam Vorlesungen zu publizieren. Dieser Beitrag berichtet über Erfahrungen aus zwei Jahren Mathematik-Lehre mit YouTube und stellt die vom Autor für speziell diesen Anwendungsfall entwickelten Software...

Journal: :Journal of medical Internet research 2016
Jidong Huang Rachel Kornfield Sherry L Emery

BACKGROUND The video-sharing website, YouTube, has become an important avenue for product marketing, including tobacco products. It may also serve as an important medium for promoting electronic cigarettes, which have rapidly increased in popularity and are heavily marketed online. While a few studies have examined a limited subset of tobacco-related videos on YouTube, none has explored e-cigar...

2015
Nicole Buzzetto-More

Current mediated realities and the proliferation of user generated online content have introduced a multiplicity of measures for publishing and accessing instructional resources. Educators are encouraged to harness these contemporary modalities in order to engage today’s digital learners. In particular, the research suggests that targeted YouTube videos enhance the engagement, depth of understa...

2009
Jean Lightner

Scientifi c American has devoted the fi rst issue of 2009 to promoting evolution as the “most powerful idea in science.” The cover lists “How life invents complex traits” as one of the topics covered. In “From Atoms to Traits,” David M. Kingsley describes the molecular basis for a number of different traits.1 Does the evidence he presents really support the notion that life arose by chance and ...

1998
David M. W. Powers

Recently I have been intrigued by the reappearance of an old friend, George Kingsley Zipf, in a number of not entirely expected places. The law named for him is ubiquitous, but Zipf did not actually discover the law so much as provide a plausible explanation. Others have proposed modifications to Zipf's Law, and closer examination uncovers systematic deviations from its normative form. We demon...

Journal: :Computer Networks 2009
Michael Zink Kyoungwon Suh Yu Gu James F. Kurose

1389-1286/$ see front matter 2008 Elsevier B.V doi:10.1016/j.comnet.2008.09.022 * Corresponding author. Tel.: +1 413 545 4465. E-mail address: [email protected] (M. Zink). 1 http://www.usatoday.com/tech/news/2006-07 x.htm http://en.wikipedia.org/wiki/YouTube. User-Generated Content has become very popular since new web services such as YouTube allow for the distribution of user-produced media c...

Journal: :CoRR 2007
Xu Cheng Cameron Dale Jiangchuan Liu

Established in 2005, YouTube has become the most successful Internet site providing a new generation of short video sharing service. Today, YouTube alone comprises approximately 20% of all HTTP traffic, or nearly 10% of all traffic on the Internet. Understanding the features of YouTube and similar video sharing sites is thus crucial to their sustainable development and to network traffic engine...

Journal: :Information Economics and Policy 2009
Joel Waldfogel

In the past few years, YouTube and other sites for sharing video files over the Internet have vaulted from obscurity to places of centrality in the media landscape. The files available at YouTube include a mix of user-generated video and clips from network television shows. Networks fear that availability of their clips on YouTube will depress television viewing. But unauthorized clips are also...

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