15,318 research outputs found

    Curriculum Guidelines for Undergraduate Programs in Data Science

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    The Park City Math Institute (PCMI) 2016 Summer Undergraduate Faculty Program met for the purpose of composing guidelines for undergraduate programs in Data Science. The group consisted of 25 undergraduate faculty from a variety of institutions in the U.S., primarily from the disciplines of mathematics, statistics and computer science. These guidelines are meant to provide some structure for institutions planning for or revising a major in Data Science

    Research and Education in Computational Science and Engineering

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    Over the past two decades the field of computational science and engineering (CSE) has penetrated both basic and applied research in academia, industry, and laboratories to advance discovery, optimize systems, support decision-makers, and educate the scientific and engineering workforce. Informed by centuries of theory and experiment, CSE performs computational experiments to answer questions that neither theory nor experiment alone is equipped to answer. CSE provides scientists and engineers of all persuasions with algorithmic inventions and software systems that transcend disciplines and scales. Carried on a wave of digital technology, CSE brings the power of parallelism to bear on troves of data. Mathematics-based advanced computing has become a prevalent means of discovery and innovation in essentially all areas of science, engineering, technology, and society; and the CSE community is at the core of this transformation. However, a combination of disruptive developments---including the architectural complexity of extreme-scale computing, the data revolution that engulfs the planet, and the specialization required to follow the applications to new frontiers---is redefining the scope and reach of the CSE endeavor. This report describes the rapid expansion of CSE and the challenges to sustaining its bold advances. The report also presents strategies and directions for CSE research and education for the next decade.Comment: Major revision, to appear in SIAM Revie

    Temporal Data Modeling and Reasoning for Information Systems

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    Temporal knowledge representation and reasoning is a major research field in Artificial Intelligence, in Database Systems, and in Web and Semantic Web research. The ability to model and process time and calendar data is essential for many applications like appointment scheduling, planning, Web services, temporal and active database systems, adaptive Web applications, and mobile computing applications. This article aims at three complementary goals. First, to provide with a general background in temporal data modeling and reasoning approaches. Second, to serve as an orientation guide for further specific reading. Third, to point to new application fields and research perspectives on temporal knowledge representation and reasoning in the Web and Semantic Web

    Incarcerated Fathers’ Experiences in the Read to Your Child/Grandchild Program: Supporting Children’s Literacy, Learning, and Education

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    In response to rising parental incarceration, some correctional facilities and outside organizations offer family literacy programs for parents in prison. However, research on these correctional education initiatives is scant. This paper uses qualitative data to analyze how 11 fathers in a rural Pennsylvania prison were involved in their children’s literacy, learning, and education before and during incarceration and through the Read to Your Child/Grandchild (RYCG) program. Before RYCG, most fathers had taken steps such as reading to children, teaching reading and math, attending parent-teacher conferences, helping with homework, and singing and rhyming—and then sought to continue supporting their children’s learning from within prison. Fathers used RYCG materials (video-recorded book reading, children’s book, scrapbook) to emphasize the importance of education, literacies, and numeracy. They also created personalized scrapbooks that cultivated their children’s literate abilities and cognitive, academic, and socio-emotional development. This research contributes to the nascent literature on family literacy for incarcerated parents

    Agents for educational games and simulations

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    This book consists mainly of revised papers that were presented at the Agents for Educational Games and Simulation (AEGS) workshop held on May 2, 2011, as part of the Autonomous Agents and MultiAgent Systems (AAMAS) conference in Taipei, Taiwan. The 12 full papers presented were carefully reviewed and selected from various submissions. The papers are organized topical sections on middleware applications, dialogues and learning, adaption and convergence, and agent applications

    Programming unplugged : insights from theoretical models and teacher experiences.

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    Unplugged approaches to teaching Computational Thinking (CT), which are based on activities that do not require the use of a digital device or programming, are widely used in computing education. Evidence from the literature and practice indicates that this approach can be used successfully, although views on the value of Unplugged computing have been varied. Recently it was found that rather than comparing Unplugged with other approaches, combining Unplugged with teaching programming enabled students to achieve the same level of programming competence, but with higher self-efficacy, and a larger vocabulary in the programming language compared to a similar time span spent on programming alone. Despite this improved understanding of how to use Unplugged activities, there is little understanding of why they are effective and what ways they can be combined with plugged-in exercises effectively in a programming classroom and for teachers’ professional development (PD). In this thesis we use practical observations viewed through the lenses of theories of learning to understand why the Unplugged approach is effective. Computational Thinking in school curricula is about teaching students to understand how to use computation to solve problems, to create, and to discover new questions that can fruitfully be explored in other disciplines and professions as well as Computer Science. Teachers need to be able to effectively communicate the ideas of Computational Thinking to students and apply these within the context of their classroom. Our initial studies with teachers indicated that understanding the nature of the commonly identi- fied difficulties and confusion caused by computer jargon among teachers is important for finding ways for effective classroom delivery. We found that the concerns from teach- ers finding computer jargon difficult can be because the computational context in which they are applied makes them difficult for teachers to understand, rather than not knowing their meanings in the first place, and appropriate support can enable teachers to learn the techniques and skills that the terminology refers to. Using Unplugged material in teachers’ professional development, we tried to understand how they perceive the utility of Unplugged, particularly in introductory programming and understanding the jargon. Findings indicate that alternating Unplugged content in introductory programming does not hinder the teachers’ teaching efficacy and self-efficacy towards computer programming, yet teachers can be equipped with more content within the same time frame as a conventional teaching approach. Another lens that we use to understand how Unplugged and programming relate is the Notional Machine (NM), an abstract model of a computer created by teachers to facilitate learners’ understanding. It represents something they can (mentally) interact with to draw learners’ attention to hidden aspects of computing, is implicit in all programming teaching methods, and is a key to successful programming. We explore how Unplugged activities seem to have a close connection with Notional Machine, and therefore use the lens of Notional Machine to understand the relationship between Un- plugged and programming. Reviewing the existing Unplugged activities through this lens, we can understand where Unplugged has been successful in teaching programming and why. We also identify the possible gaps in Unplugged activities that need addressing for it to be further successful as a programming education tool. Accordingly, in our professional development experimental studies we developed and trialled new Unplugged activities focusing on modeling basic programming concepts, and studied their usefulness in alternating with conventional programming teaching practices. The usefulness of Unplugged activities in introductory programming was then considered through the lens of Semantic Waves, a concept that describes an ideal learning journey of a novice learner over a course of learning while shifting between expert and novice understanding, abstract and concrete context, and technical and simple meanings. Studying the behavior of the Semantic Waves of Unplugged activities we saw how, heuristically, the Zone of Proximal Development (ZPD) can be seen as a differentiation of a semantic profile of an Unplugged activity, essentially shifting learners back and forth between existing and new knowledge, while learning a programming concept. The Semantic Waves of Unplugged activities used to model programming concepts were analysed and compared with a plugged-in only lessons that taught the same concepts to show how alternating Unplugged activities with plugged-in experience successfully covers a wider semantic range, indicating the possibility of avoiding both learner anxiety as well as boredom, and enabling teachers to find better teaching strategies that suit their classrooms. Semantic profiles show the balance between what learners know and what they should know about what is actually happening, and the use of Unplugged activities supports the flow needed for creating effective semantic profiles, particularly in programming classrooms

    Smarter Programming of the Female Condom: Increasing Its Impact on HIV Prevention in the Developing World

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    The purpose of this study was to investigate the relative value of the female condom for HIV prevention within heterosexual relationships in the developing world. In the last ten years, the world has witnessed both historic financial commitments to HIV/AIDS and new prevention options, including biomedical prevention research, male circumcision, and a dramatic scale-up of voluntary counseling and testing. At the same time, where HIV remains at epidemic levels in many countries, there has been a growing commitment to treatment access alongside prevention programs. However, portions of populations, particularly youth and women, remain highly vulnerable to HIV infection. Accordingly, the global health community can benefit from a better understanding of how existing prevention options should be effectively and efficiently delivered to reduce HIV in the developing world. This report provides guidance for the global health community for considering how the female condom fits within the set of prevention interventions currently available

    Virtual Reality Games for Motor Rehabilitation

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    This paper presents a fuzzy logic based method to track user satisfaction without the need for devices to monitor users physiological conditions. User satisfaction is the key to any product’s acceptance; computer applications and video games provide a unique opportunity to provide a tailored environment for each user to better suit their needs. We have implemented a non-adaptive fuzzy logic model of emotion, based on the emotional component of the Fuzzy Logic Adaptive Model of Emotion (FLAME) proposed by El-Nasr, to estimate player emotion in UnrealTournament 2004. In this paper we describe the implementation of this system and present the results of one of several play tests. Our research contradicts the current literature that suggests physiological measurements are needed. We show that it is possible to use a software only method to estimate user emotion
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