Fake news has become a hotly debated topic in journalism. In this paper, we present our entry to the 2017 Fake News Challenge which models the detection of fake news as a stance classification task that finished in 11th place on the leader board. Our entry is an ensemble system of classifiers developed by students in the context of their coursework. We show how we used the stacking ensemble met...

An important security challenge in database outsourcing scenarios is the correctness verification of query results. The proposed approaches in the literature, impose high overhead on both the service provider and specially the clients. In this paper, we propose the Trust-Based Fake Tuples approach to audit the correctness of query results. In this approach, some fake tuples are included among t...

We propose the first multistage intervention framework that tackles fake news in social networks by combining reinforcement learning with a point process network activity model. The spread of fake news and mitigation events within the network is modeled by a multivariate Hawkes process with additional exogenous control terms. By choosing a feature representation of states, defining mitigation a...

This research presents a novel 2D feature space where real faces and masked fake faces can be effectively discriminated. We exploit the reflectance disparity based on albedo between real faces and fake materials. The feature vector used consists of radiance measurements of the forehead region under 850 and 685 nm illuminations. Facial skin and mask material show linearly separable distributions...

Given the two sentences “this fake cat has a fluffy tail” and “this tabby cat has a fluffy tail”, only the second allows one to conclude that “there exists a cat that has a fluffy tail”. As is obvious to a native English speaker, the adjective (A) “fake” somehow modifies the noun (N) “cat” such that we conclude that it no longer belongs to the set of N (cats) by virtue of being A (fake). Lingui...

Beginning about three years ago, the world of academic publishing has become infected by fake impact factors and misleading metrics that are launched by bogus companies. The misleading metrics and fake impact factors have damaged the prestige and reliability of scientific research and scholarly journals. This article presents the in-depth story of some of the main bogus impact factors, how they...

Hands-on laboratory exercises are a very important component of computer security and information assurance education. This paper reports the laboratory exercises we designed to demonstrate two ways of conducting phishing attack: 1) Embedding a hyperlink in a fake email which redirects the victim to a fake website; 2) Using ARP cache poisoning to redirect web access to a fake website. The two w...

How does the brain control its sensory plasticity using performance feedback? We examined this question using various types of fake feedback in perceptual learning paradigm. We demonstrated that fake feedback indicating a larger performance improvement facilitated learning compared with genuine feedback. Variance of the fake feedback modulated learning as well, suggesting that feedback uncertai...