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Daily Archives: September 20, 2015

Humans Are Easily Fooled by Digital Images

Transactions on Information Forensics and Security, September 17, 2015 – Humans Are Easily Fooled by Digital Images. Victor Schetinger, Manuel M. Oliveira, Roberto da Silva, and Tiago Carvalho
“Digital images are ubiquitous in our modern lives, with uses ranging from social media to news, and even scientific papers. For this reason, it is crucial evaluate how accurate people are when performing the task of identify doctored images. In this paper, we performed an extensive user study evaluating subjects capacity to detect fake images. After observing an image, users have been asked if it had been altered or not. If the user answered the image has been altered, he had to provide evidence in the form of a click on the image. We collected 17,208 individual answers from 383 users, using 177 images selected from public forensic databases. Different from other previously studies, our method propose different ways to avoid lucky guess when evaluating users answers. Our results indicate that people show inaccurate skills at differentiating between altered and non-altered images, with an accuracy of 58%, and only identifying the modified images 46.5% of the time. We also track user features such as age, answering time, confidence, providing deep analysis of how such variables influence on the users’ performance.”

Empirical Big Data Research: A Systematic Literature Mapping

Empirical Big Data Research: A Systematic Literature Mapping – Leendert Wienhofen, Bjørn Magnus Mathisen, Dumitru Roman (Submitted on 10 Sep 2015) “Background: Big Data is a relatively new field of research and technology, and literature reports a wide variety of concepts labeled with Big Data. The maturity of a research field can be measured… Continue Reading

Open Access and Discovery Tools: How do Primo Libraries Manage Green Open Access Collections?

François Renaville, University of Liège Library, ALA Editions, “Scholarly Open Access repositories contain lots of treasures including rare or otherwise unpublished materials and articles that scholars self-archive, often as part of their institution’s mandate. But it can be hard to discover this material unless users know exactly where to look. Since the very beginning,… Continue Reading

Open Tree of Life

“Open Tree of Life aims to construct a comprehensive, dynamic and digitally-available tree of life by synthesizing published phylogenetic trees along with taxonomic data. The project is a collaborative effort between 11 PIs across 10 institutions. Funding is from NSF AVAToL #1208809. Browse the tree and leave feedback: Click on nodes to move through the… Continue Reading

DOJ Policy Guidance – Use of Cell-Sites Simulator Technology

Department of Justice Guidance – Use of Cell-Sites Simulator Technology, September 3, 2015 “Cell-site simulator technology provides valuable assistance in support of important public safety objectives.Whether deployed as part  of a fugitive apprehension effort , a complex narcotics investigation, or to locate or rescue a kidnapped child, cell-site simulators fulfill critical operational needs. As with… Continue Reading

The Deep Web and The Darknet

The Deep Web and The Darknet A Look Inside the Internet’s Massive Black Box. Woodrow Wilson International Center for Scholars, August 2015. “Many believe a Google search can identify most of the information available on the Internet on a given subject. But there is an entire online world – a massive one – beyond the… Continue Reading