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  • TeleVital: Enhancing the quality of contactless health assessment
    arXiv.cs.HC Pub Date : 2020-06-26
    Jithin Sunny; Joel Jogy; Rohan Rout; Rakshit Naidu

    In the midst of rising positive cases of COVID-19, the hospitals face a newfound difficulty to prioritize on their patients and accommodate them. Moreover, crowding of patients at hospitals pose a threat to the healthcare workers and other patients at the hospital. With that in mind, a non-contact method of measuring the necessary vitals such as heart rate, respiratory rate and SPO$_2$ will prove highly

    更新日期:2020-07-03
  • The Impact of Explanations on AI Competency Prediction in VQA
    arXiv.cs.HC Pub Date : 2020-07-02
    Kamran Alipour; Arijit Ray; Xiao Lin; Jurgen P. Schulze; Yi Yao; Giedrius T. Burachas

    Explainability is one of the key elements for building trust in AI systems. Among numerous attempts to make AI explainable, quantifying the effect of explanations remains a challenge in conducting human-AI collaborative tasks. Aside from the ability to predict the overall behavior of AI, in many applications, users need to understand an AI agent's competency in different aspects of the task domain

    更新日期:2020-07-03
  • A Semantic Web Framework for Automated Smart Assistants: COVID-19 Case Study
    arXiv.cs.HC Pub Date : 2020-07-01
    Yusuf Sermet; Ibrahim Demir

    COVID-19 pandemic elucidated that knowledge systems will be instrumental in cases where accurate information needs to be communicated to a substantial group of people with different backgrounds and technological resources. However, several challenges and obstacles hold back the wide adoption of virtual assistants by public health departments and organizations. This paper presents the Instant Expert

    更新日期:2020-07-03
  • Estimating Anxiety based on individual level engagements on YouTube & Google Search Engine
    arXiv.cs.HC Pub Date : 2020-07-01
    Anis Zaman; Boyu Zhang; Vincent Silenzio; Ehsan Hoque; Henry Kautz

    Anxiety disorder is one of the most prevalent mental health conditions, arising from complex interactions of biological and environmental factors and severely interfering one's ability to lead normal life activities. Current methods for detecting anxiety heavily rely on in-person interviews. Yet, such mental health assessments and surveys can be expensive, time consuming, and blocked by social stigmas

    更新日期:2020-07-02
  • Content-Aware Automated Parameter Tuning for Approximate Color Transforms
    arXiv.cs.HC Pub Date : 2020-07-01
    Chatura Samarakoon; Gehan Amaratunga; Phillip Stanley-Marbell

    There are numerous approximate color transforms reported in the literature that aim to reduce display power consumption by imperceptibly changing the color content of displayed images. To be practical, these techniques need to be content-aware in picking transformation parameters to preserve perceptual quality. This work presents a computationally-efficient method for calculating a parameter lower

    更新日期:2020-07-02
  • EQUS -- helping to see formulae
    arXiv.cs.HC Pub Date : 2020-06-29
    Chris Roast

    Visualisation is often presented as a means of simplifying information and helping people understand complex data. In this paper we describe the design, development and evaluation of an interactive visualisation for spreadsheet formulae (EQUS). The work is justified on the grounds that these are widely used tools for significant numerical processing and modeling, yet the formula developed can be easily

    更新日期:2020-07-02
  • Inferring Human Observer Spectral Sensitivities from Video Game Data
    arXiv.cs.HC Pub Date : 2020-07-01
    Chatura Samarakoon; Gehan Amaratunga; Phillip Stanley-Marbell

    With the use of primaries which have increasingly narrow bandwidths in modern displays, observer metameric breakdown is becoming a significant factor. This can lead to discrepancies in the perceived color between different observers. If the spectral sensitivity of a user's eyes could be easily measured, next generation displays would be able to adjust the display content to ensure that the colors are

    更新日期:2020-07-02
  • The Effect of Robo-taxi User Experience on User Acceptance: Field Test Data Analysis
    arXiv.cs.HC Pub Date : 2020-06-30
    Sunghee Lee; Soyoung Yoo; Seongsin Kim; Eunji Kim; Namwoo Kang

    With the advancement of self-driving technology, the commercialization of Robo-taxi services is just a matter of time. However, there is some skepticism regarding whether such taxi services will be successfully accepted by real customers due to perceived safety-related concerns; therefore, studies focused on user experience have become more crucial. Although many studies statistically analyze user

    更新日期:2020-07-01
  • Learning to Format Coq Code Using Language Models
    arXiv.cs.HC Pub Date : 2020-06-18
    Pengyu Nie; Karl Palmskog; Junyi Jessy Li; Milos Gligoric

    Should the final right bracket in a record declaration be on a separate line? Should arguments to the rewrite tactic be separated by a single space? Coq code tends to be written in distinct manners by different people and teams. The expressiveness, flexibility, and extensibility of Coq's languages and notations means that Coq projects have a wide variety of recognizable coding styles, sometimes explicitly

    更新日期:2020-07-01
  • Haptic human-human interaction does not improve individual visuomotor adaptation
    arXiv.cs.HC Pub Date : 2020-06-30
    Niek Beckers; Edwin van Asseldonk; Herman van der Kooij

    Haptic interaction between two humans, for example, parents physically supporting their child while it learns to keep balance on a bicycle, likely facilitates motor skill acquisition. Haptic human-human interaction has been shown to enhance individual motor improvement in a tracking task with a visuomotor rotation perturbation. These results are remarkable given that haptically assisting or guiding

    更新日期:2020-07-01
  • Mitigating undesirable emergent behavior arising between driver and semi-automated vehicle
    arXiv.cs.HC Pub Date : 2020-06-30
    Timo Melman; Niek Beckers; David Abbink

    Emergent behavior arising in a joint human-robot system cannot be fully predicted based on an understanding of the individual agents. Typically, robot behavior is governed by algorithms that optimize a reward function that should quantitatively capture the joint system's goal. Although reward functions can be updated to better match human needs, this is no guarantee that no misalignment with the complex

    更新日期:2020-07-01
  • Learning to Ignore: A Case Study of Organization-Wide Bulk Email Effectiveness
    arXiv.cs.HC Pub Date : 2020-06-30
    Ruoyan Kong; Haiyi Zhu; Joseph A. Konstan

    Bulk email is a primary communication channel within organizations, with all-company messages and regular newsletters serving as a mechanism for making employees aware of policies, events, and other needed messages. Ineffective communication could result in substantial wasted employee time and lack of awareness or compliance. Previous studies on organizational emails focused mostly on recipients. However

    更新日期:2020-07-01
  • Human Trust-based Feedback Control: Dynamically varying automation transparency to optimize human-machine interactions
    arXiv.cs.HC Pub Date : 2020-06-29
    Kumar Akash; Griffon McMahon; Tahira Reid; Neera Jain

    Human trust in automation plays an essential role in interactions between humans and automation. While a lack of trust can lead to a human's disuse of automation, over-trust can result in a human trusting a faulty autonomous system which could have negative consequences for the human. Therefore, human trust should be calibrated to optimize human-machine interactions with respect to context-specific

    更新日期:2020-07-01
  • Ethical Analysis on the Application of Neurotechnology for Human Augmentation in Physicians and Surgeons
    arXiv.cs.HC Pub Date : 2020-06-23
    Soaad Hossain; Syed Ishtiaque Ahmed

    With the shortage of physicians and surgeons and increase in demand worldwide due to situations such as the COVID-19 pandemic, there is a growing interest in finding solutions to help address the problem. A solution to this problem would be to use neurotechnology to provide them augmented cognition, senses and action for optimal diagnosis and treatment. Consequently, doing so can negatively impact

    更新日期:2020-07-01
  • Gamification and Engagement of Tourists and Residents in Public Transportation
    arXiv.cs.HC Pub Date : 2020-06-29
    Bruno Cardoso; Miguel Ribeiro; Catia Prandi; Nuno Nunes

    Cities are becoming very congested. There is a need to reduce the number of private cars on the roads, by maximising the potential for local public transport. With the increasing awareness of transport that is sustainable in the sense of environmental impact, but also climate and social, there is the need to create engagement into public transportation. Gamification, which is the use of game elements

    更新日期:2020-06-30
  • Towards meaningful, grounded conversations with intelligent agents
    arXiv.cs.HC Pub Date : 2020-06-29
    Alexandros Papangelis; Stefan Ultes

    As conversational agents become integral parts of many aspects of our lives, current approaches are reaching bottlenecks of performance that require increasing amounts of data or increasingly powerful models. It is also becoming clear that such agents are here to stay and accompany us for long periods of time. If we are, therefore, to design agents that can deeply understand our world and evolve with

    更新日期:2020-06-30
  • Dynamic Difficulty Adjustment via Fast User Adaptation
    arXiv.cs.HC Pub Date : 2020-06-28
    Hee-Seung Moon; Jiwon Seo

    Dynamic difficulty adjustment (DDA) is a technology that adapts a game's challenge to match the player's skill. It is a key element in game development that provides continuous motivation and immersion to the player. However, conventional DDA methods require tuning in-game parameters to generate the levels for various players. Recent DDA approaches based on deep learning can shorten the time-consuming

    更新日期:2020-06-30
  • Simulating the Effects of Social Presence on Trust, Privacy Concerns \& Usage Intentions in Automated Bots for Finance
    arXiv.cs.HC Pub Date : 2020-06-27
    Magdalene Ng; Kovila P. L. Coopamootoo; Ehsan Toreini; Mhairi Aitken; Karen Elliot; Aad van Moorsel

    FinBots are chatbots built on automated decision technology, aimed to facilitate accessible banking and to support customers in making financial decisions. Chatbots are increasing in prevalence, sometimes even equipped to mimic human social rules, expectations and norms, decreasing the necessity for human-to-human interaction. As banks and financial advisory platforms move towards creating bots that

    更新日期:2020-06-30
  • Automatic Recommendation of Strategies for Minimizing Discomfort in Virtual Environments
    arXiv.cs.HC Pub Date : 2020-06-27
    Thiago Porcino; Esteban Clua; Daniela Trevisan; Érick Rodrigues; Alexandre Silva

    Virtual reality (VR) is an imminent trend in games, education, entertainment, military, and health applications, as the use of head-mounted displays is becoming accessible to the mass market. Virtual reality provides immersive experiences but still does not offer an entirely perfect situation, mainly due to Cybersickness (CS) issues. In this work, we first present a detailed review about possible causes

    更新日期:2020-06-30
  • Project Calico: Wearable Chemical Sensors for Environmental Monitoring
    arXiv.cs.HC Pub Date : 2020-06-27
    Alex Mariakakis; Sifang Chen; Bichlien Nguyen; Kirsten Bray; Molly Blank; Jonathan Lester; Lauren Ryan; Paul Johns; Gonzalo Ramos; Asta Roseway

    Environmental hazards often go unnoticed because they are invisible to the naked eye, posing risks to our health over time. Project Calico aims to raise awareness of these risks by augmenting everyday fashion with color-changing chemical sensors that can be observed at a glance or captured by a smartphone camera. Project Calico leverages existing cosmetic and fabrication processes to democratize environmental

    更新日期:2020-06-30
  • Promoting the Research of Health Behavior Change in Chinese HCI Community
    arXiv.cs.HC Pub Date : 2020-06-27
    Yunlong Wang; Harald Reiterer

    Unhealthy lifestyles largely contribute to many chronic diseases, which makes the research on health behavior change crucial for both individuals and the whole society. As an interdisciplinary research field, health behavior change research in the HCI community is still in the early stage. This research field is notably less developed in Chinese HCI community. In this position paper, we will first

    更新日期:2020-06-30
  • A Transformer-based joint-encoding for Emotion Recognition and Sentiment Analysis
    arXiv.cs.HC Pub Date : 2020-06-29
    Jean-Benoit Delbrouck; Noé Tits; Mathilde Brousmiche; Stéphane Dupont

    Understanding expressed sentiment and emotions are two crucial factors in human multimodal language. This paper describes a Transformer-based joint-encoding (TBJE) for the task of Emotion Recognition and Sentiment Analysis. In addition to use the Transformer architecture, our approach relies on a modular co-attention and a glimpse layer to jointly encode one or more modalities. The proposed solution

    更新日期:2020-06-30
  • Towards hybrid primary intersubjectivity: a neural robotics library for human science
    arXiv.cs.HC Pub Date : 2020-06-29
    Hendry F. Chame; Ahmadreza Ahmadi; Jun Tani

    Human-robot interaction is becoming an interesting area of research in cognitive science, notably, for the study of social cognition. Interaction theorists consider primary intersubjectivity a non-mentalist, pre-theoretical, non-conceptual sort of processes that ground a certain level of communication and understanding, and provide support to higher-level cognitive skills. We argue this sort of low

    更新日期:2020-06-30
  • I can attend a meeting too! Towards a human-like telepresence avatar robot to attend meeting on your behalf
    arXiv.cs.HC Pub Date : 2020-06-28
    Hrishav Bakul Barua; Chayan Sarkar; Achanna Anil Kumar; Arpan Pal; Balamuralidhar P

    Telepresence robots are used in various forms in various use-cases that helps to avoid physical human presence at the scene of action. In this work, we focus on a telepresence robot that can be used to attend a meeting remotely with a group of people. Unlike a one-to-one meeting, participants in a group meeting can be located at a different part of the room, especially in an informal setup. As a result

    更新日期:2020-06-30
  • An Interactive Data Visualization and Analytics Tool to Evaluate Mobility and Sociability Trends During COVID-19
    arXiv.cs.HC Pub Date : 2020-06-26
    Fan Zuo; Jingxing Wang; Jingqin Gao; Kaan Ozbay; Xuegang Jeff Ban; Yubin Shen; Hong Yang; Shri Iyer

    The COVID-19 outbreak has dramatically changed travel behavior in affected cities. The C2SMART research team has been investigating the impact of COVID-19 on mobility and sociability. New York City (NYC) and Seattle, two of the cities most affected by COVID-19 in the U.S. were included in our initial study. An all-in-one dashboard with data mining and cloud computing capabilities was developed for

    更新日期:2020-06-29
  • Exploratory Study of Young Children's Social Media Needs and Requirements
    arXiv.cs.HC Pub Date : 2020-06-25
    Di "Chelsea" Sun; Vaishnavi Melkote; Ahmed Sabbir Arif

    As social media are becoming increasingly popular among young children, it is important to explore this population's needs and requirements from these platforms. As a first step to this, we conducted an exploratory design workshop with children aged between ten and eleven years to find out about their social media needs and requirements. Through an analysis of the paper prototypes solicited from the

    更新日期:2020-06-29
  • WorkerRep: Immutable Reputation System For Crowdsourcing Platform Based on Blockchain
    arXiv.cs.HC Pub Date : 2020-06-26
    Gurpriya Kaur Bhatia; Shubham Gupta; Alpana Dubey; Ponnurangam Kumaraguru

    Crowdsourcing is a process wherein an individual or an organisation utilizes the talent pool present over the Internet to accomplish their task. The existing crowdsourcing platforms and their reputation computation are centralised and hence prone to various attacks or malicious manipulation of the data by the central entity. A few distributed crowdsourcing platforms have been proposed but they lack

    更新日期:2020-06-29
  • Does the Whole Exceed its Parts? The Effect of AI Explanations on Complementary Team Performance
    arXiv.cs.HC Pub Date : 2020-06-26
    Gagan Bansal; Tongshuang Wu; Joyce Zhu; Raymond Fok; Besmira Nushi; Ece Kamar; Marco Tulio Ribeiro; Daniel S. Weld

    Increasingly, organizations are pairing humans with AI systems to improve decision-making and reducing costs. Proponents of human-centered AI argue that team performance can even further improve when the AI model explains its recommendations. However, a careful analysis of existing literature reveals that prior studies observed improvements due to explanations only when the AI, alone, outperformed

    更新日期:2020-06-29
  • LPar -- A Distributed Multi Agent platform for building Polyglot, Omni Channel and Industrial grade Natural Language Interfaces
    arXiv.cs.HC Pub Date : 2020-06-25
    Pranav Sharma

    The goal of serving and delighting customers in a personal and near human like manner is very high on automation agendas of most Enterprises. Last few years, have seen huge progress in Natural Language Processing domain which has led to deployments of conversational agents in many enterprises. Most of the current industrial deployments tend to use Monolithic Single Agent designs that model the entire

    更新日期:2020-06-29
  • Survey on Visual Analysis of Event Sequence Data
    arXiv.cs.HC Pub Date : 2020-06-25
    Yi Guo; Shunan Guo; Zhuochen Jin; Smiti Kaul; David Gotz; Nan Cao

    Event sequence data record series of discrete events in the time order of occurrence. They are commonly observed in a variety of applications ranging from electronic health records to network logs, with the characteristics of large-scale, high-dimensional, and heterogeneous. This high complexity of event sequence data makes it difficult for analysts to manually explore and find patterns, resulting

    更新日期:2020-06-26
  • Mood-based On-Car Music Recommendations
    arXiv.cs.HC Pub Date : 2020-06-25
    Erion Çano; Riccardo Coppola; Eleonora Gargiulo; Marco Marengo; Maurizio Morisio

    Driving and music listening are two inseparable everyday activities for millions of people today in the world. Considering the high correlation between music, mood and driving comfort and safety, it makes sense to use appropriate and intelligent music recommendations based on the mood of drivers and songs in the context of car driving. The objective of this paper is to present the project of a contextual

    更新日期:2020-06-26
  • Tilt Map: Interactive Transitions Between Choropleth Map, Prism Map and Bar Chart in Immersive Environments
    arXiv.cs.HC Pub Date : 2020-06-25
    Yalong Yang; Tim Dwyer; Kim Marriott; Bernhard Jenny; Sarah Goodwin

    We introduce Tilt Map, a novel interaction technique for intuitively transitioning between 2D and 3D map visualisations in immersive environments. Our focus is visualising data associated with areal features on maps, for example, population density by state. Tilt Map transitions from 2D choropleth maps to 3D prism maps to 2D bar charts to overcome the limitations of each. Our paper includes two user

    更新日期:2020-06-26
  • Validating psychometric survey responses
    arXiv.cs.HC Pub Date : 2020-06-08
    Alberto MastrottoColumbia University, 116th St and Broadway, New York, NY 10027, USA; Anderson NelsonColumbia University, 116th St and Broadway, New York, NY 10027, USA; Dev SharmaColumbia University, 116th St and Broadway, New York, NY 10027, USA; Ergeta MucaColumbia University, 116th St and Broadway, New York, NY 10027, USA; Kristina LiapchinColumbia University, 116th St and Broadway, New York, NY

    We present an approach to classify user validity in survey responses by using a machine learning techniques. The approach is based on collecting user mouse activity on web-surveys and fast predicting validity of the survey in general without analysis of specific answers. Rule based approach, LSTM and HMM models are considered. The approach might be used in web-survey applications to detect suspicious

    更新日期:2020-06-26
  • Circumvention by design -- dark patterns in cookie consents for online news outlets
    arXiv.cs.HC Pub Date : 2020-06-24
    Than Htut Soe; Oda Elise Nordberg; Frode Guribye; Marija Slavkovik

    To ensure that users of online services understand what data are collected and how they are used in algorithmic decision-making, the European Union's General Data Protection Regulation (GDPR) specifies informed consent as a minimal requirement. For online news outlets consent is commonly elicited through interface design elements in the form of a pop-up. We have manually analyzed 300 data collection

    更新日期:2020-06-26
  • Usability, Accessibility and Web Security Assessment of E-government Websites in Tanzania
    arXiv.cs.HC Pub Date : 2020-06-25
    Noe Elisa

    In spite of the fact that e-government agency (ega) in Tanzania emphasize on the use of ICT within public institutions in Tanzania, accessibility, usability and web security vulnerabilities are still not considered by the majority of web developers. The main objective of this study is to assess the usability, accessibility and web security vulnerabilities of selected Tanzania e-government websites

    更新日期:2020-06-26
  • Order of Control and Perceived Control over Personal Information
    arXiv.cs.HC Pub Date : 2020-06-24
    Yefim Shulman; Thao Ngo; Joachim Meyer

    Focusing on personal information disclosure, we apply control theory and the notion of the Order of Control to study people's understanding of the implications of information disclosure and their tendency to consent to disclosure. We analyzed the relevant literature and conducted a preliminary online study (N = 220) to explore the relationship between the Order of Control and perceived control over

    更新日期:2020-06-25
  • Should Machines Feel or Flee Emotions? User Expectations and Concerns about Emotionally Aware Chatbots
    arXiv.cs.HC Pub Date : 2020-06-24
    Ekaterina Svikhnushina; Pearl Pu

    As chatbots are becoming increasingly popular, we often wonder what users perceive as natural and socially accepted manners of interacting with them. While there are many aspects to this overall question, we focused on user expectations of their emotional characteristics. Some researchers maintain that humans should avoid engaging in emotional conversations with chatbots, while others have started

    更新日期:2020-06-25
  • TeslaMirror: Multistimulus Encounter-Type Haptic Display for Shape and Texture Rendering in VR
    arXiv.cs.HC Pub Date : 2020-06-23
    Aleksey Fedoseev; Akerke Tleugazy; Luiza Labazanova; Dzmitry Tsetserukou

    This paper proposes a novel concept of a hybrid tactile display with multistimulus feedback, allowing the real-time experience of the position, shape, and texture of the virtual object. The key technology of the TeslaMirror is that we can deliver the sensation of object parameters (pressure, vibration, and shear direction feedback) without any wearable haptic devices. We developed the full digital

    更新日期:2020-06-25
  • Interactive Privacy Preferences Management for Shared Spaces in Internet of Things
    arXiv.cs.HC Pub Date : 2020-06-24
    Bayan Al Muhander; Jason Wiese; Omer Rana; Charith Perera

    The balance between protecting users' privacy while providing cost-effective devices that are functional and usable is a key challenge in the burgeoning Internet of Things (IoT) industry. While in traditional desktop and mobile contexts the primary user interface is a screen, in IoT screens are rare or very small, which invalidate most of the traditional approaches. We examine how end-users interact

    更新日期:2020-06-25
  • Head-mouse: A simple cursor controller based on optical measurement of head tilt
    arXiv.cs.HC Pub Date : 2020-06-24
    Ali HeydariGorji; Seyede Mahya Safavi; Cheng-Ting Lee; Pai H. Chou

    This paper describes a wearable wireless mouse-cursor controller that optically tracks the degree of tilt of the user's head to move the mouse relative distances and therefore the degrees of tilt. The raw data can be processed locally on the wearable device before wirelessly transmitting the mouse-movement reports over Bluetooth Low Energy (BLE) protocol to the host computer; but for exploration of

    更新日期:2020-06-25
  • Modeling Knowledge Acquisition from Multiple Learning Resource Types
    arXiv.cs.HC Pub Date : 2020-06-23
    Siqian Zhao; Chunpai Wang; Shaghayegh Sahebi

    Students acquire knowledge as they interact with a variety of learning materials, such as video lectures, problems, and discussions. Modeling student knowledge at each point during their learning period and understanding the contribution of each learning material to student knowledge are essential for detecting students' knowledge gaps and recommending learning materials to them. Current student knowledge

    更新日期:2020-06-25
  • Gender and Emotion Recognition from Implicit User Behavior Signals
    arXiv.cs.HC Pub Date : 2020-06-23
    Maneesh Bilalpur; Seyed Mostafa Kia; Mohan Kankanhalli; Ramanathan Subramanian

    This work explores the utility of implicit behavioral cues, namely, Electroencephalogram (EEG) signals and eye movements for gender recognition (GR) and emotion recognition (ER) from psychophysical behavior. Specifically, the examined cues are acquired via low-cost, off-the-shelf sensors. 28 users (14 male) recognized emotions from unoccluded (no mask) and partially occluded (eye or mouth masked) emotive

    更新日期:2020-06-25
  • A Methodology for Creating AI FactSheets
    arXiv.cs.HC Pub Date : 2020-06-24
    John Richards; David Piorkowski; Michael Hind; Stephanie Houde; Aleksandra Mojsilović

    As AI models and services are used in a growing number of highstakes areas, a consensus is forming around the need for a clearer record of how these models and services are developed to increase trust. Several proposals for higher quality and more consistent AI documentation have emerged to address ethical and legal concerns and general social impacts of such systems. However, there is little published

    更新日期:2020-06-25
  • Competitive Balance in Team Sports Games
    arXiv.cs.HC Pub Date : 2020-06-24
    Sofia M Nikolakaki; Ogheneovo Dibie; Ahmad Beirami; Nicholas Peterson; Navid Aghdaie; Kazi Zaman

    Competition is a primary driver of player satisfaction and engagement in multiplayer online games. Traditional matchmaking systems aim at creating matches involving teams of similar aggregated individual skill levels, such as Elo score or TrueSkill. However, team dynamics cannot be solely captured using such linear predictors. Recently, it has been shown that nonlinear predictors that target to learn

    更新日期:2020-06-25
  • Less is More: Exploiting Social Trust to Increase the Effectiveness of a Deception Attack
    arXiv.cs.HC Pub Date : 2020-06-24
    Shahryar Baki; Rakesh M. Verma; Arjun Mukherjee; Omprakash Gnawali

    Cyber attacks such as phishing, IRS scams, etc., still are successful in fooling Internet users. Users are the last line of defense against these attacks since attackers seem to always find a way to bypass security systems. Understanding users' reason about the scams and frauds can help security providers to improve users security hygiene practices. In this work, we study the users' reasoning and the

    更新日期:2020-06-25
  • Computational Support for Substance Use Disorder Prevention, Detection, Treatment, and Recovery
    arXiv.cs.HC Pub Date : 2020-06-23
    Lana Yarosh; Suzanne Bakken; Alan Borning; Munmun De Choudhury; Cliff Lampe; Elizabeth Mynatt; Stephen Schueller; Tiffany Veinot

    Substance Use Disorders (SUDs) involve the misuse of any or several of a wide array of substances, such as alcohol, opioids, marijuana, and methamphetamine. SUDs are characterized by an inability to decrease use despite severe social, economic, and health-related consequences to the individual. A 2017 national survey identified that 1 in 12 US adults have or have had a substance use disorder. The National

    更新日期:2020-06-25
  • ICE: Identify and Compare Event Sequence Sets through Multi-Scale Matrix and Unit Visualizations
    arXiv.cs.HC Pub Date : 2020-06-23
    Siwei Fu; Jian Zhao; Linping Yuan; Zhicheng Liu; Kwan-Liu Ma; Huamin Qu

    Comparative analysis of event sequence data is essential in many application domains, such as website design and medical care. However, analysts often face two challenges: they may not always know which sets of event sequences in the data are useful to compare, and the comparison needs to be achieved at different granularity, due to the volume and complexity of the data. This paper presents, ICE, an

    更新日期:2020-06-24
  • Lessons Learned from Designing an AI-Enabled Diagnosis Tool for Pathologists
    arXiv.cs.HC Pub Date : 2020-06-23
    Hongyan Gu; Jingbin Huang; Lauren Hung; Xiang 'Anthony' Chen

    Despite the promises of data-driven artificial intelligence (AI), little is known about how we can bridge the gulf between traditional physician-driven diagnosis and a plausible future of medicine automated by AI. Specifically, how can we involve AI usefully in physicians' diagnosis workflow given that most AI is still nascent and error-prone (e.g., in digital pathology)? To explore this question,

    更新日期:2020-06-24
  • CrossPath: Top-down, Cross Data Type, Multi-Criterion Histological Analysis by Shepherding Mixed AI Models
    arXiv.cs.HC Pub Date : 2020-06-23
    Hongyan Gu; Yifan Xu; Mohammad Haeri Haeri; Xiang 'Anthony' Chen

    Data-driven AI promises support for pathologists to discover sparse tumor patterns in high-resolution histological images. However, three limitations prevent AI from being adopted into clinical practice: (i) a lack of comprehensiveness where most AI algorithms only rely on single criteria/examination; (ii) a lack of explainability where AI models work as 'black-boxes' with little transparency; (iii)

    更新日期:2020-06-24
  • Feature Expansive Reward Learning: Rethinking Human Input
    arXiv.cs.HC Pub Date : 2020-06-23
    Andreea Bobu; Marius Wiggert; Claire Tomlin; Anca D. Dragan

    In collaborative human-robot scenarios, when a person is not satisfied with how a robot performs a task, they can intervene to correct it. Reward learning methods enable the robot to adapt its reward function online based on such human input. However, this online adaptation requires low sample complexity algorithms which rely on simple functions of handcrafted features. In practice, pre-specifying

    更新日期:2020-06-24
  • Unsupervised Evaluation of Interactive Dialog with DialoGPT
    arXiv.cs.HC Pub Date : 2020-06-23
    Shikib Mehri; Maxine Eskenazi

    It is important to define meaningful and interpretable automatic evaluation metrics for open-domain dialog research. Standard language generation metrics have been shown to be ineffective for dialog. This paper introduces the FED metric (fine-grained evaluation of dialog), an automatic evaluation metric which uses DialoGPT, without any fine-tuning or supervision. It also introduces the FED dataset

    更新日期:2020-06-24
  • Tactile Perception of Objects by the User's Palm for the Development of Multi-contact Wearable Tactile Displays
    arXiv.cs.HC Pub Date : 2020-06-22
    Miguel Altamirano Cabrera; Juan Heredia; Dzmitry Tsetserukou

    The user's palm plays an important role in object detection and manipulation. The design of a robust multi-contact tactile display must consider the sensation and perception of of the stimulated area aiming to deliver the right stimuli at the correct location. To the best of our knowledge, there is no study to obtain the human palm data for this purpose. The objective of this work is to introduce the

    更新日期:2020-06-23
  • The CARP Mobile Sensing Framework -- A Cross-platform, Reactive, Programming Framework and Runtime Environment for Digital Phenotyping
    arXiv.cs.HC Pub Date : 2020-06-21
    Jakob E. Bardram

    Mobile sensing - i.e., the ability to unobtrusively collect sensor data from built-in phone sensors - has long been a core research topic in Ubicomp. A number of technological platforms for mobile sensing have been presented over the years and a lot of knowledge on how to facilitate mobile sensing has been accumulated. This paper presents the CARP Mobile Sensing (CAMS) framework, which is a modern

    更新日期:2020-06-23
  • Empirica: a virtual lab for high-throughput macro-level experiments
    arXiv.cs.HC Pub Date : 2020-06-19
    Abdullah Almaatouq; Joshua Becker; James P. Houghton; Nicolas Paton; Duncan J. Watts; Mark E. Whiting

    Virtual labs allow researchers to design high-throughput and macro-level experiments that are not feasible in traditional in-person physical lab settings. Despite the increasing popularity of online research, researchers still face many technical and logistical barriers when designing and deploying virtual lab experiments. While several platforms exist to facilitate the development of virtual lab experiments

    更新日期:2020-06-23
  • Fanoos: Multi-Resolution, Multi-Strength, Interactive Explanations for Learned Systems
    arXiv.cs.HC Pub Date : 2020-06-22
    David BayaniCarnegie Mellon University; Stefan MitschCarnegie Mellon University

    Machine learning becomes increasingly important to tune or even synthesize the behavior of safety-critical components in highly non-trivial environments, where the inability to understand learned components in general, and neural nets in particular, poses serious obstacles to their adoption. Explainability and interpretability methods for learned systems have gained considerable academic attention

    更新日期:2020-06-23
  • Pain Intensity Estimation from Mobile Video Using 2D and 3D Facial Keypoints
    arXiv.cs.HC Pub Date : 2020-06-17
    Matthew Lee; Lyndon Kennedy; Andreas Girgensohn; Lynn Wilcox; John Song En Lee; Chin Wen Tan; Ban Leong Sng

    Managing post-surgical pain is critical for successful surgical outcomes. One of the challenges of pain management is accurately assessing the pain level of patients. Self-reported numeric pain ratings are limited because they are subjective, can be affected by mood, and can influence the patient's perception of pain when making comparisons. In this paper, we introduce an approach that analyzes 2D

    更新日期:2020-06-23
  • Cyber Security in the Age of COVID-19: A Timeline and Analysis of Cyber-Crime and Cyber-Attacks during the Pandemic
    arXiv.cs.HC Pub Date : 2020-06-21
    Harjinder Singh Lallie; Lynsay A. Shepherd; Jason R. C. Nurse; Arnau Erola; Gregory Epiphaniou; Carsten Maple; Xavier Bellekens

    The COVID-19 pandemic was a remarkable unprecedented event which altered the lives of billions of citizens globally resulting in what became commonly referred to as the new-normal in terms of societal norms and the way we live and work. Aside from the extraordinary impact on society and business as a whole, the pandemic generated a set of unique cyber-crime related circumstances which also affected

    更新日期:2020-06-23
  • To Explain or Not to Explain: A Study on the Necessity of Explanations for Autonomous Vehicles
    arXiv.cs.HC Pub Date : 2020-06-21
    Yuan Shen; Shanduojiao Jiang; Yanlin Chen; Eileen Yang; Xilun Jin; Yuliang Fan; Katie Driggs Campbell

    Explainable AI, in the context of autonomous systems, like self driving cars, has drawn broad interests from researchers. Recent studies have found that providing explanations for an autonomous vehicle actions has many benefits, e.g., increase trust and acceptance, but put little emphasis on when an explanation is needed and how the content of explanation changes with context. In this work, we investigate

    更新日期:2020-06-23
  • Modeling Individual and Team Behavior through Spatio-temporal Analysis
    arXiv.cs.HC Pub Date : 2020-06-19
    Sabbir Ahmad; Andy Bryant; Erica Kleinman; Zhaoqing Teng; Truong-Huy D. Nguyen; Magy Seif El-Nasr

    Modeling players' behaviors in games has gained increased momentum in the past few years. This area of research has wide applications, including modeling learners and understanding player strategies, to mention a few. In this paper, we present a new methodology, called Interactive Behavior Analytics (IBA), comprised of two visualization systems, a labeling mechanism, and abstraction algorithms that

    更新日期:2020-06-22
  • V-Dream: Immersive Exploration of Generative Design Solution Space
    arXiv.cs.HC Pub Date : 2020-06-19
    Mohammad Keshavarzi; Ardavan Bidgoli; Hans Kellner

    Generative Design workflows have introduced alternative paradigms in the domain of computational design, allowing designers to generate large pools of valid solutions by defining a set of goals and constraints. However, analyzing and narrowing down the generated solution space, which usually consists of various high-dimensional properties, has been a major challenge in current generative workflows

    更新日期:2020-06-22
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