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CS229 Project Report: Automated Photo Tagging in Facebook
CS229 Project Report: Automated photo tagging in Facebook Sebastian Schuon, Harry Robertson, Hao Zou schuon, harry.robertson, haozou @stanford.edu Abstract We examine the problem of automatically identifying and tagging users in photos on a social networking environment known as Facebook. The presented au- tomatic facial tagging system is split into three subsys- tems: obtaining image data from Facebook, detecting faces in the images and recognizing the faces to match faces to individuals. Firstly, image data is extracted from Facebook by interfacing with the Facebook API. Secondly, the Viola-Jones’ algorithm is used for locat- ing and detecting faces in the obtained images. Fur- thermore an attempt to filter false positives within the Figure 1: Schematic of the Facebook crawler face set is made using LLE and Isomap. Finally, facial recognition (using Fisherfaces and SVM) is performed on the resulting face set. This allows us to match faces 2 Collecting data from Facebook to people, and therefore tag users on images in Face- book. The proposed system accomplishes a recogni- To implement an automatic image tagging system, one tion accuracy of close to 40%, hence rendering such first has to acquire the image data. For the platform we systems feasible for real world usage. have chosen to work on, namely Facebook, this task used to be very sophisticated, if not impossible. But with the recent publication of an API to their platform, this has been greatly simplified. The API allows third party applications to integrate into their platform and 1 Introduction most importantly to access their databases (for details see figure 1 and [3]). -
Common Sites and Apps Used by Teens
Common Sites and Apps Used by Teens SOCIAL NETWORKING: Facebook is the top social network on the web as it is used by more than 1 billion people each month. You can access this service using an app on a mobile device or internet service for a computer. People set up a profile and accept “friend requests.” There is a timeline to post events and share “status updates.” Certain groups can be set up as private or public. Users can be referenced in someone else’s text or picture (tagged). Teens are moving away from fb because many parents and grandparents are on the site. Officially, individuals should be 13 years of age to create an account but students in elementary schools report using this social networking site. Like Facebook, Twitter is a social network centered on microblogging with a 140-character text limit. An uploaded picture or text message is called a “Tweet.” The public can “follow” friends, celebrities, causes, businesses or tv shows. You can “tweet” live during a show by using # (hashtag). Students report concerning “subtweets,” which are comments intended for someone to see without mentioning their username, usually with a derogatory tone. Ask.fm is another popular pre-teen social networking website where users can ask other users questions. Users have to create an account to leave or receive comments. Ask.Fm is different than Facebook and Twitter because users can ask questions or leave comments anonymously. However, there is the option for users to not receive comments unless a sender identifies himself. This has been a popular venue for cyber-bullying. -
M&A @ Facebook: Strategy, Themes and Drivers
A Work Project, presented as part of the requirements for the Award of a Master Degree in Finance from NOVA – School of Business and Economics M&A @ FACEBOOK: STRATEGY, THEMES AND DRIVERS TOMÁS BRANCO GONÇALVES STUDENT NUMBER 3200 A Project carried out on the Masters in Finance Program, under the supervision of: Professor Pedro Carvalho January 2018 Abstract Most deals are motivated by the recognition of a strategic threat or opportunity in the firm’s competitive arena. These deals seek to improve the firm’s competitive position or even obtain resources and new capabilities that are vital to future prosperity, and improve the firm’s agility. The purpose of this work project is to make an analysis on Facebook’s acquisitions’ strategy going through the key acquisitions in the company’s history. More than understanding the economics of its most relevant acquisitions, the main research is aimed at understanding the strategic view and key drivers behind them, and trying to set a pattern through hypotheses testing, always bearing in mind the following question: Why does Facebook acquire emerging companies instead of replicating their key success factors? Keywords Facebook; Acquisitions; Strategy; M&A Drivers “The biggest risk is not taking any risk... In a world that is changing really quickly, the only strategy that is guaranteed to fail is not taking risks.” Mark Zuckerberg, founder and CEO of Facebook 2 Literature Review M&A activity has had peaks throughout the course of history and different key industry-related drivers triggered that same activity (Sudarsanam, 2003). Historically, the appearance of the first mergers and acquisitions coincides with the existence of the first companies and, since then, in the US market, there have been five major waves of M&A activity (as summarized by T.J.A. -
An Insight Analysis and Detection of Drug‑Abuse Risk Behavior on Twitter with Self‑Taught Deep Learning
Hu et al. Comput Soc Netw (2019) 6:10 https://doi.org/10.1186/s40649‑019‑0071‑4 RESEARCH Open Access An insight analysis and detection of drug‑abuse risk behavior on Twitter with self‑taught deep learning Han Hu1 , NhatHai Phan1*, Soon A. Chun2, James Geller1, Huy Vo3, Xinyue Ye1, Ruoming Jin4, Kele Ding4, Deric Kenne4 and Dejing Dou5 *Correspondence: [email protected] Abstract 1 New Jersey Institute Drug abuse continues to accelerate towards becoming the most severe public health of Technology, University Heights, Newark 07102, USA problem in the United States. The ability to detect drug-abuse risk behavior at a popu- Full list of author information lation scale, such as among the population of Twitter users, can help us to monitor the is available at the end of the trend of drug-abuse incidents. Unfortunately, traditional methods do not efectively article detect drug-abuse risk behavior, given tweets. This is because: (1) tweets usually are noisy and sparse and (2) the availability of labeled data is limited. To address these challenging problems, we propose a deep self-taught learning system to detect and monitor drug-abuse risk behaviors in the Twitter sphere, by leveraging a large amount of unlabeled data. Our models automatically augment annotated data: (i) to improve the classifcation performance and (ii) to capture the evolving picture of drug abuse on online social media. Our extensive experiments have been conducted on three mil- lion drug-abuse-related tweets with geo-location information. Results show that our approach is highly efective in detecting drug-abuse risk behaviors. -
Raising Digitally Responsible Youth Guide
RAISING DIGITALLY RESPONSIBLE YOUTH A Parent’s Guide CONTENTS Copyright © 2020 Safer Schools Together. Reproduction of this material is strictly prohibited without written permission of the copyright owners. All rights reserved. Disclaimer: Given the rapidly evolving nature of technology and social media apps, this information (especially social media platform related) is current as of the date of publication: February 2020. A Parent's Guide Page 1 Introduction With society heading in the direction of being constantly connected to technology, what do we need to know as parents to protect our children and teach them responsible and appropriate uses of technology? The parameters of rules and expectations that you put in place at home will undoubtedly guide their behaviour in the years to come. Given the fact that technology has entered our lives at such a rapid pace and continues to evolve, raising our children in a digital era can seem overwhelming at times. The reality is that apps and technological devices will change, but the behaviour stays the same. Moderation is key to managing technology use in our homes. It does not need to be an all or nothing approach, with either absolute prohibition or full unchecked usage. It is beneficial to maintain an open, transparent, and ongoing dialogue with our children regarding the internet, technology, social media, and video games. Remaining approachable could be the difference between whether they decide to come to us when issues or uncomfortable situations arise rather than feeling alone in the process or going to their peers instead. Technology is here to stay, whether we like it or not. -
Obtaining and Using Evidence from Social Networking Sites
U.S. Department of Justice Criminal Division Washington, D.C. 20530 CRM-200900732F MAR 3 2010 Mr. James Tucker Mr. Shane Witnov Electronic Frontier Foundation 454 Shotwell Street San Francisco, CA 94110 Dear Messrs Tucker and Witnov: This is an interim response to your request dated October 6, 2009 for access to records concerning "use of social networking websites (including, but not limited to Facebook, MySpace, Twitter, Flickr and other online social media) for investigative (criminal or otherwise) or data gathering purposes created since January 2003, including, but not limited to: 1) documents that contain information on the use of "fake identities" to "trick" users "into accepting a [government] official as friend" or otherwise provide information to he government as described in the Boston Globe article quoted above; 2) guides, manuals, policy statements, memoranda, presentations, or other materials explaining how government agents should collect information on social networking websites: 3) guides, manuals, policy statements, memoranda, presentations, or other materials, detailing how or when government agents may collect information through social networking websites; 4) guides, manuals, policy statements, memoranda, presentations and other materials detailing what procedures government agents must follow to collect information through social- networking websites; 5) guides, manuals, policy statements, memorandum, presentations, agreements (both formal and informal) with social-networking companies, or other materials relating to privileged user access by the Criminal Division to the social networking websites; 6) guides, manuals, memoranda, presentations or other materials for using any visualization programs, data analysis programs or tools used to analyze data gathered from social networks; 7) contracts, requests for proposals, or purchase orders for any visualization programs, data analysis programs or tools used to analyze data gathered from social networks. -
The Meet Group Teams with Digital Identity Company Yoti to Help Create Safer Communities Online
The Meet Group teams with digital identity company Yoti to help create safer communities online NEW HOPE, Pa., July 24, 2019 - The Meet Group,Inc. (NASDAQ: MEET), a leading provider of interactive live streaming solutions, and Yoti, a digital identity company, today announced that The Meet Group plans to trial Yoti’s innovative age verification and age estimation technologies designed to create safer communities online. The Meet Group, with more than 15 million monthly active users, helps people to find connection and community through its social networking and dating apps. As a company committed to the protection of its users, The Meet Group devotes approximately half of its workforce to safety and moderation, and continuously reviews its safety procedures with the goal of meeting the highest standards of online safety and security. The relationship allows Yoti to enhance The Meet Group’s strong existing safety measures, letting users verify their age with Yoti’s age estimation technology Yoti Age Scan, or the free Yoti app where a date of birth is verified to a government issued photo ID. Yoti’s technology can help moderators at The Meet Group ensure that minors do not create accounts. Geoff Cook CEO at The Meet Group commented, “A key part of helping people to create meaningful connections is to keep them safe online. We have already committed ourselves to one-tap report abuse capability, clear and frequent safety education, and proactive and transparent moderation, and now with Yoti’s age verification and estimation technologies, we look forward to being one of the few app operators in social or dating who can respond to reports of underage users quickly and accurately. -
Some Mobile Apps Add Anonymity to Social Networking
Log in / Create an account Search Subscribe Topics+ The Download Magazine Events More+ Connectivity Some Mobile Apps Add Anonymity to Social Networking Social-networking apps that eschew real names are gaining ground. by Rachel Metz February 6, 2014 On social networks like Facebook, Twitter, and LinkedIn, most people do not communicate freely, for fear of the repercussions. For just over a decade, Facebook has enforced the idea of an authentic online identity tied to each user of a social network. This might be fine for sharing news of a promotion or new baby with friends, but sometimes you’d probably like to post a status update that won’t go on your permanent record. This urge might explain why millions of people, many of them under the age of 25, are flocking to a free smartphone app called Whisper, which lets you share thoughts—a few lines of text set against a background image—without adding your real name. Secret, a newer free app for the iPhone that shares posts anonymously through your existing social networks, is based on the same idea. After years spent filling social networks like Facebook and Twitter with the minutiae of our lives, we’ve left permanent, heavily curated trails of personal data in our wake—over 1.2 billion of them on Facebook alone, judging by its user count. New apps allow us to continue being social without worrying about the repercussions of sharing the most personal confessions. “Facebook is more like the global social network; it’s like our communication layer to the world,” says Anthony Rotolo, an assistant professor at Syracuse University, who studies social networks. -
Privacy Perceptions of Photo Sharing in Facebook
Privacy Perceptions of Photo Sharing in Facebook Andrew Besmer, Heather Richter Lipford Department of Software and Information Systems University of North Carolina at Charlotte 9201 University City Blvd. Charlotte, NC 28223 {arbesmer, Heather.Lipford}@uncc.edu 1. INTRODUCTION Online photo sharing applications are increasingly popular, offering users new and innovative ways to share photos with a variety of people. Many social networking sites are also incorporating photo sharing features, allowing users to very easily upload and post photos for their friends and families. For example, Facebook is the largest photo sharing site on the Internet with 14 million photos uploaded daily [2]. Integrating photo Figure 1. Example of Facebook and Prototype sharing within social networking communities has also provided the opportunity for user-tagging, annotating and linking images to the identities of the people in them. This feature further increases 3. RESULTS the opportunities to share photos among people with established As with other photo sharing sites, users expressed the social value offline relationships and has been largely successful. However, of being able to upload and view photos within their social this increased access to an individual’s photos has led to these networks. No doubt this social value is the reason 14 million new images being used for purposes that were not intended. For photos are added on Facebook each day. However, not example, photos on Facebook profiles have been used by surprisingly, users do have privacy concerns that are difficult to employers [5] and law enforcement [6] to investigate the behavior deal with due the wide reach of their images and the lack of of individuals. -
Publics and Protest on the Tumblr Dashboard by Michael Turner BA
Structures of Participation and Contestation: Publics and Protest on the Tumblr Dashboard by Michael Turner B.A. in Anthropology, May 2013, American University A Thesis Submitted to The Faculty of The Columbian College of Arts and Sciences of The George Washington University in partial fulfillment of the requirements for the degree of Master of Arts January 31, 2016 Thesis directed by Roy Richard Grinker Professor of Anthropology, International Affairs, and Human Sciences Abstract Structures of Participation and Contestation: Publics and Protest on the Tumblr Dashboard This project investigates the way that larger power structures and highly specific site architectures affect voices of contestation through a situated ethnographic study of the #BlackLivesMatter movement on Tumblr. Rather than a comprehensive study, this project looks at how protesters may utilize high media and social network literacy to strategically make their voices heard by seemingly isolated and uninvolved users. Rather than ignorant to the structures around them, the specifics of these choices or e-tactics demonstrate a degree of awareness by protesters of larger cultural forces that may limit or constrain their ability to be heard. Through this lens, this thesis compares the role of Tumblr and other social sites as arenas for democratic dialogue and the insertion of previously marginalized peoples and narratives. The use of blogs by #BlackLivesMatter protesters and other counter-hegemonic movements as a realm for civic journalism and “counter media-errorism” is also analyzed. Ultimately, this project shows a clear need for further ethnographic study on the particulars of Internet and information and communication technology structures and how activists pursue social change within these structures. -
An Analysis of Abbreviation in Twitter Status of Hollywood Pop Singers
E-Journal of English Language and Literature Volume 9 No. 1 E-Journal of English Language & Literature ISSN 2302-3546 Published by English Language & Literature Study Program of FBS Universitas Negeri Padang available at http://ejournal.unp.ac.id/index.php/jell AN ANALYSIS OF ABBREVIATION IN TWITTER STATUS OF HOLLYWOOD POP SINGERS Indah Dwi Pratiwi1, Leni Marlina2 English Department Faculty of Languages and Arts Universitas Negeri Padang email: [email protected] Abstract Abbreviation is the process of cutting one word, some parts of the word and the combination of words into words in the new form. Abbreviation is used by all kinds of people who share situations of interests and it is often used in informal situation. The use of abbreviation is not only found in daily conversation, discussion, or speech, but also found in online interaction in social media. This study aims to find out the types and the meaning of abbreviation words and types internet language in Twitter used by Hollywood pop singers. This research used Schendl (2001) and Weakly (2006) theories about five types of abbreviation words. This study is descriptive qualitative research. The data were taken from tweets that have been posted by Hollywood pop singers on June 2019. The result showed that from 47 data that have been collected, there were four types out of abbreviation that have been found from five types of Schendl an Weakly abbreviations. They are clipping (14,9%), initialism (34,0%), blend (10,6%), contraction (40,4%) and acronym is not found from the data. From the finding it can be concluded that the type of abbreviation which is dominantly used by the singers in Twitter is contraction. -
A Sentiment Analysis Using the Dialogic Loop
Florida International University FIU Digital Commons FIU Electronic Theses and Dissertations University Graduate School 11-6-2019 Twitter Activity Of Urban And Rural Colleges: A Sentiment Analysis Using The Dialogic Loop Eugene H. Pons Florida International University, [email protected] Follow this and additional works at: https://digitalcommons.fiu.edu/etd Part of the Communication Technology and New Media Commons, Educational Technology Commons, Mass Communication Commons, and the Social Media Commons Recommended Citation Pons, Eugene H., "Twitter Activity Of Urban And Rural Colleges: A Sentiment Analysis Using The Dialogic Loop" (2019). FIU Electronic Theses and Dissertations. 4342. https://digitalcommons.fiu.edu/etd/4342 This work is brought to you for free and open access by the University Graduate School at FIU Digital Commons. It has been accepted for inclusion in FIU Electronic Theses and Dissertations by an authorized administrator of FIU Digital Commons. For more information, please contact [email protected]. FLORIDA INTERNATIONAL UNIVERSITY Miami, Florida TWITTER ACTIVITY OF URBAN AND RURAL COLLEGES: A SENTIMENT ANALYSIS USING THE DIALOGIC LOOP A dissertation submitted in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY in CURRICULUM AND INSTRUCTION by Eugene H. Pons 2019 To: Dean Michael R. Heithaus College of Arts, Science and Education This dissertation, written by Eugene H. Pons and entitled Twitter Activity of Urban and Rural Colleges: A Sentiment Analysis Using the Dialogic Loop, having been approved in respect to style and intellectual content, is referred to you for judgement. We have read this dissertation and recommend that it be approved. _______________________________________ Leonardo Ferreira _______________________________________ Maria Lovett _______________________________________ Thomas Reio _______________________________________ M.