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MORF: a Framework for Predictive Modeling and Replication at Scale with Privacy-Restricted MOOC Data
MORF: A Framework for Predictive Modeling and Replication At Scale With Privacy-Restricted MOOC Data Josh Gardner, Christopher Brooks Juan Miguel Andres, Ryan S. Baker School of Information Graduate School of Education The University of Michigan The University of Pennsylvania Ann Arbor, USA Philadelphia, USA fjpgard, [email protected] [email protected], [email protected] Abstract—Big data repositories from online learning plat- ing. For example, several works have explored prediction forms such as Massive Open Online Courses (MOOCs) rep- of various student outcomes using behavioral, linguistic, resent an unprecedented opportunity to advance research and assignment data from MOOCs to evaluate and predict on education at scale and impact a global population of learners. To date, such research has been hindered by poor various student outcomes including course completion [1], reproducibility and a lack of replication, largely due to three [2], [3], assignment grades [4], Correct on First Attempt types of barriers: experimental, inferential, and data. We (CFA) submissions [5], student confusion [6], and changes present a novel system for large-scale computational research, in behavior over time [7]. A key area of research has been the MOOC Replication Framework (MORF), to jointly address methods for feature engineering, or extracting structured these barriers. We discuss MORF’s architecture, an open- source platform-as-a-service (PaaS) which includes a simple, information from raw data (i.e. clickstream server logs, flexible software API providing for multiple modes of research natural language in discussion posts) [8]. (predictive modeling or production rule analysis) integrated with a high-performance computing environment. All experi- B. -
Ubuntu Kung Fu
Prepared exclusively for Alison Tyler Download at Boykma.Com What readers are saying about Ubuntu Kung Fu Ubuntu Kung Fu is excellent. The tips are fun and the hope of discov- ering hidden gems makes it a worthwhile task. John Southern Former editor of Linux Magazine I enjoyed Ubuntu Kung Fu and learned some new things. I would rec- ommend this book—nice tips and a lot of fun to be had. Carthik Sharma Creator of the Ubuntu Blog (http://ubuntu.wordpress.com) Wow! There are some great tips here! I have used Ubuntu since April 2005, starting with version 5.04. I found much in this book to inspire me and to teach me, and it answered lingering questions I didn’t know I had. The book is a good resource that I will gladly recommend to both newcomers and veteran users. Matthew Helmke Administrator, Ubuntu Forums Ubuntu Kung Fu is a fantastic compendium of useful, uncommon Ubuntu knowledge. Eric Hewitt Consultant, LiveLogic, LLC Prepared exclusively for Alison Tyler Download at Boykma.Com Ubuntu Kung Fu Tips, Tricks, Hints, and Hacks Keir Thomas The Pragmatic Bookshelf Raleigh, North Carolina Dallas, Texas Prepared exclusively for Alison Tyler Download at Boykma.Com Many of the designations used by manufacturers and sellers to distinguish their prod- ucts are claimed as trademarks. Where those designations appear in this book, and The Pragmatic Programmers, LLC was aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals. The Pragmatic Starter Kit, The Pragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf and the linking g device are trademarks of The Pragmatic Programmers, LLC. -
Handheld Computing
Reality Computing Handheld Computing Col. Kenneth L. Alford, Ph.D. U.S. Army Handheld computers, especially personal digital assistants (PDAs), are increasingly being used throughout the Department of Defense. This article highlights some of the ways that PDAs are used today and are envisioned for the future. It outlines some of the considerations involved in a PDA procurement, discusses four tools for developing PDA resource materials – pro- gramming tools, hypertext markup language- and eXtensible markup language-based tools, text tools, and calendar tools – outlines some of the benefits and challenges associated with using PDAs, and shares several lessons learned. omputing power continues to increase copy of the complete daily list. Using requirement, the PDA displays detailed in capacity and decrease in cost and their PDAs, guards can also provide specifications. Officers then check off size.C Today’s low-cost handheld comput- visitors with maps and directions to whether items are found to be satisfac- ers and personal digital assistants (PDAs) their destination on base [4]. tory or are in violation of federal law. allow computing resources to be almost • The Commanders Digital Assistant is a Instead of laboring to determine ubiquitous. This article illustrates how ruggedized PDA that is being fielded whether the law requires a particular handheld computing is changing the way to combat troops; it has already seen ship to carry one of three different some Department of Defense (DoD) field use with the 82nd Airborne in types of life rafts, an inflatable buoyant organizations do business and discusses how apparatus, life float, or nothing at all, you may take advantage of the capabilities boarding officers, with PDAs in hand, that are available through this technology. -
A 'World' of Information in Your Pocket
Vol. 03, No. 4 / April 2004 A ‘World’ of information in your pocket Transferring online information onto your PDA provides the World Wide Web’s benefits without the connection. John Luo, MD Assistant professor of psychiatry UCLA Neuropsychiatric Institute and Hospital Los Angeles, CA With wireless Internet available in hospitals, coffee shops, airports, universities, and libraries, real-time Internet access away from the home or office is just a click away on your personal digital assistant (PDA). But what if you’re somewhere without wireless Internet-such as in flight or at the local department of motor vehicles? Transferring and storing online content onto your PDA lets you access critical online information in places without a connection, making your down time more productive. PORTABLE ONLINE CONTENT Much Web-based information can easily be captured or stored onto your PDA. Electronic books, or e-books, have long been one of the pleasures of using PDAs and handheld devices such as the Franklin eBookMan. Many e-books are available for free or for purchase at numerous Web sites. Medical text vendors such as Skyscape and Handheldmed offer a range of titles, including the DSM-IV-TR and the Washington Manual Psychiatry Survival Guide. Clinical literature. Many journals and medical periodicals offer Adobe Acrobat portable document format (PDF) versions of print articles, but these are often available only to subscribers. Most online content is copyrighted. As long as the material is captured for personal use and is not distributed, however, there should be no legal ramifications. TEXT TRANSFER OPTIONS The easiest way to import text into your handheld is to select text with your mouse, copy the text, paste it into a Microsoft Word document, and transfer it onto your PDA. -
Session S4E ADDING PDAS to YOUR TEACHING TOOLKIT
Session S4E ADDING PDAS TO YOUR TEACHING TOOLKIT1 2 3 Kenneth L. Alford and John M. D. Hill Abstract¾This paper describes our experience core information technology (IT) course as a freshman, and incorporating Personal Digital Assistants into computer beginning with the 2003 Fall semester all juniors are science courses in the Department of Electrical Engineering required to take a second IT course as part of their general and Computer Science at the United States Military education requirements. Academy at West Point, New York. All students at our institution are required to purchase a Personal Digital Computing Environment Assistant. The primary goal of this paper is to provide an overview of some of the many ways that handheld computing All West Point students are required to purchase a personal devices can be used to supplement curriculum resources and computer and, beginning with the graduating class of 2003, a presentation in undergraduate education. This paper personal digital assistant as well (see Figures 1 and 2). discusses four kinds of tools that can be used to create Handheld and desktop computer purchases are centrally academic resources for students and faculty: (1) managed, and with very few exceptions all students within programming tools, (2) HTML and XML-based tools, (3) the same graduating class own the same personal version of text tools, and (4) calendar tools. We also discuss benefits computer, PDA, and software applications. Students from providing handheld computing resources and share purchase their personal computer and PDA prior to the lessons learned. beginning of their freshman year, and they receive initial training in the setup and use of the hardware and the Index Terms¾Personal Digital Assistants, PDAs, handheld software applications. -
Bücher Machen Mit Python
Bücher machen mit Python Eine praktische Einführung Georg Hennemann, DZUG Rheinland [email protected] Juni 2006 . mein FOSSiler Werdegang Jahrgang 1966 (Fußball-WM England-Deutschland 4:2-Sieg nach Verlängerung) 20 Jahre totale Computerabstinenz (gl. K.) Coherent Unix, SunOs, GNU Software seit 1986 Linux seit 1990, Debian seit 1996 Python/Zope seit 2000 PDA Zaurus seit 2003 Gnome & GPE 2004 Plucker 2006 Themen die mich bewegen Wann kommt IPv6? Mobiles Internet Bücher und Software in der Public Domain freie eBook-Formate Themen die mich bewegen Wann kommt IPv6? Mobiles Internet Bücher und Software in der Public Domain freie eBook-Formate mein erster Marathonlauf im Herbst ;) Plucker Pluck /Pluck/, v. t. [imp. & p. p. {Plucked}; p. pr. & vb. n. {Plucking}.] [AS. pluccian; akin to LG. & D. plukken, G. pfl["u]cken, Icel. plokka, plukka, Dan. plukke, Sw. plocka.?27.] 1. To pull; to draw. [1913 Webster] Mind The Gap: ’pluck’ <> ’plug’ Mind The Gap: ’pluck’ <> ’plug’ Plug ist ein Stecker oder Stöpsel to pull the plug - den Stecker/Stöpsel ziehen eBook-Formate Binäre Formate: Microsoft .lit, RocketBook .rb, Plucker .pdb etc. Mischformate: .pdf (Seitenbeschreibungssprache) Text Formate: FictionBook (xml), TAI (Lite), usw. Binäre Formate Vorteile Dokument kann maschinell erstellt werden (aus mehreren HTML- und Bilddateien) automatischer Ablauf (Build) eines eBooks, ePapers gute Kompression (DB-Format) Nachteile Metadaten nicht im Dokument spezieller eBook-Reader erforderlich Mischformate Vorteil sieht überall gleich bescheiden aus (pdf) Seitenumbrüche -
User's Guide to Aolpress
User’s Guide to AOLpress 2.0 Do-it-Yourself Publishing for the Web 1997 America Online, Inc. AOL20-040797 Information in this document is subject to change without notice. Both real and fictitious companies, names, addresses, and data are used in examples herein. No part of this document may be reproduced without express written permission of America Online, Inc. 1997 America Online, Inc. All rights reserved. America Online is a registered trademark and AOLpress, AOLserver, PrimeHost, AOL, the AOL triangle logo, My Place, Netizens, and WebCrawler are trademarks of America Online, Inc. GNN is a registered trademark, and Global Network Navigator, GNNpress, and GNNserver are trademarks of Global Network Navigator, Inc. MiniWeb, NaviLink, NaviPress, NaviServer, and NaviService are trademarks of NaviSoft, Inc. Illustra is a trademark of Illustra Information Technologies, Inc. All other brand or product names are trademarks or registered trademarks of their respective companies or organizations. Author: Yvonne DeGraw Cover Art and Illustrations: Amy Luwis Special Thanks To: Thomas Storm, Cathe Gordon, Angela Howard, George W. Williams, V, Dave Long, Dave Bourgeois, Joel Thames, Natalee Press-Schaefer, Robin Balston, Linda T. Dozier, Jeff Dozier, Doug McKee, and Jeff Rawlings. Quick Table of Contents Contents Part 1: Getting Started Welcome! 11 Chapter 1 Installing AOLpress 17 Chapter 2 Create a Web Page in 10 Easy Steps 21 Chapter 3 Browsing with AOLpress 33 Part 2: Creating Pages Chapter 4 Web Pages and What to Put in Them 45 Chapter 5 Creating -
Jdjedge Conference & Expo Final Program Inside P.91
JDJEDGE CONFERENCE & EXPO FINAL PROGRAM INSIDE P.91 TM Java COM FINAL CONFERENCE PROGRAM INSIDE PAGE 91 Q&A: An Interview with Jason Hunter Alan Williamson 9 From the Editor Open sourcing Java – what it means to developers Alan Williamson pg. 7 Interfaces: Combining RMI with SOAP Samudra Gupta J2EE Editorial Develop a framework that SOAP-enables RMI services 16 Ajit Sagar pg. 12 J2SE Editorial Feature: Spread Your Wings with Cocoon David Rosenstrauch Keith Brown pg. 42 An innovative and powerful tool for content site developers 28 J2ME Editorial Java Systems: Broken Windows in the Java World Joe Xu Jason R. Briggs pg. 66 The Java bug’s evil twin and how it impacts your system 44 Career Opportunities Bill Baloglu & Billy Palmieri JNI Techniques: Using the Java Native Andrew J. Chalk pg. 112 Interface Productively Simplify repetitive tasks 58 Cubist Threads Blair Wyman pg. 114 Wireless Music:Whole House Audio from Bill Ray RETAILERS PLEASE DISPLAY the Palm of Your Hand It’s only the beginning 68 UNTIL AUGUST 31, 2002 Feature: Adding Commands to Fred Daoud Displayable Components ...the object-oriented way 74 MIDP: Programming Games in J2ME Sami Lababidi The battle for market share in the MIDP games arena 86 SYS -CON Michael Barlotta MEDIA Java Techniques: Java Design Using interfaces and abstract classes to create flexible code 94 Sonic Software Zero G www.sonicsoftware.com www.zerog.com 2 JUNE 2002 JUNE 2002 3 Java COM Java COM Apple Apple Computer, Inc. Computer, Inc. www.apple.com/macosx www.apple.com/macosx 4 JUNE 2002 JUNE 2002 5 Java COM Java COM FROMF THE EDITORDI J2ME INTERNATIONAL ADVISORY BOARD • CALVIN AUSTIN (Lead Software Engineer, J2SE Linux Project, Sun Microsystems), • JAMES DUNCAN DAVIDSON (JavaServlet API/XMP API, Sun Microsystems), • JASON HUNTER (Senior Technologist, CollabNet), • JON S. -
Libraries and Mobile Technologies
On the Move with the Mobile Web: Libraries and Mobile Technologies Ellyssa Kroski http://www.ellyssakroski.com Kroski, Ellyssa On the Move with the Mobile Web: Libraries and Mobile Technologies Chapter One: What is the Mobile Web?............................................................................................3 The Mobile Web Defined.............................................................................................................. 3 Who Are the Early Adopters? ....................................................................................................... 3 What Are People Doing with Their Mobile Devices? .................................................................. 4 Benefits of the Mobile Web .......................................................................................................... 6 Mobile Web Challenges ................................................................................................................ 6 Mobile Web Resources & Reports................................................................................................ 7 Notes ............................................................................................................................................. 8 Chapter 2: Mobile Devices ............................................................................................................. 10 Mobile Phone Devices ................................................................................................................ 10 Mobile Phone Manufacturers.......................................................................................................11 -
Linux-FAQ.Pdf
The Linux FAQ David C. Merrill david −AT− lupercalia.net 2003−09−19 Revision History Revision 1.20 2001−12−04 Revised by: rk Revision 2.0 2002−04−25 Revised by: dcm Some reorganization and markup changes. Revision 2.1 2003−05−19 Revised by: dcm Fairly complete reorganization and conversion to WikiText. Revision 2.1.1 2003−09−19 Revised by: dcm Minor corrections. Revision 2.1.2 2004−02−28 Revised by: dcm Minor corrections. This is the list of Frequently Asked Questions for Linux, the Free/Open Source UNIX−like operating system kernel that runs on many modern computer systems. The Linux FAQ Table of Contents 1. Introduction.....................................................................................................................................................1 1.1. About the FAQ..................................................................................................................................1 1.2. Asking Questions and Sending Comments.......................................................................................1 1.3. Authorship and Acknowledgments...................................................................................................1 1.4. Copyright and License......................................................................................................................2 1.5. Disclaimer.........................................................................................................................................2 2. General Information.......................................................................................................................................3 -
Instant Messaging Security
www.dbebooks.com - Free Books & magazines Instant Messaging Security Computer Security and Computer Forensic Related Book Titles: Casey, Handbook of Computer Crime Investigation, ISBN 0-12-163103-6, 448pp, 2002. Kovacich, The Information Systems Security Officer’s Guide, ISBN 0-7506-7656-6, 361pp, 2003. Boyce & Jennings, Information Assurance, ISBN 0-7506-7327-3, 261pp, 2002. Stefanek, Information Security Best Practices: 205 Basic Rules, ISBN 0-878707-96-5, 194pp, 2002. De Clercq, Windows Server 2003 Security Infrastructures: Core Security Features, ISBN 1-55558-283-4, 752pp, 2004. Rittinghouse, Wireless Operational Security, ISBN 1-55558-317-2, 496pp, 2004. Rittinghouse & Hancock, Cybersecurity Operations Handbook, ISBN 1-55558-306-7, 1336pp, 2003. Ransome & Rittinghouse, VoIP Security, ISBN 1-55558-332-6, 450pp, 2005. Speed & Ellis, Internet Security, ISBN 1-55558-298-2, 398pp, 2003. Erbschloe, Implementing Homeland Security for Enterprise IT, ISBN 1-55558-312-1, 320pp, 2003. Erbschloe, Physical Security for IT, ISBN 1-55558-327-X, 320pp, 2005. XYPRO, HP NonStop Server Security, ISBN 1-55558-314-8, 618pp, 2003. For more information, visit us on the Web at http://books.elseiver.com/. Computer Security and Computer Forensic Related Products: Newsletters and Journals from Elsevier: Digital Investigation – New in 2004 Edited by Eoghan Casey, this new peer reviewed journal focuses on best practice, new developments and proven methodologies in the field of digital forensic science. For further information, please visit: http://www.compseconline.com/digitalinvestigation/ • Biometric Technology Today • Card Technology Today • Computer Fraud & Security • Computer Law and Security Report • Computers & Security • Information Security Technical Report • Network Security • Infosecurity Today For more information, visit us on the Web at http://www.compseconline.com/. -
Webdav a Network Protocol for Remote Collaborative Authoring on the Web E
WebDAV A network protocol for remote collaborative authoring on the Web E. James Whitehead, Jr.† & Yaron Y. Goland‡ †Dept. of Info. and Computer Science, U.C. Irvine, USA, [email protected] ‡Microsoft Corporation, Redmond, WA, USA, [email protected] Abstract. Collaborative authoring tools generate network effects, where each tool’s value depends not just on the tool itself, but on the number of other people who also have compatible tools. We hypothesize that the best way to generate network effects and to add collaborative authoring capability to existing tools is to focus on the network protocol. This paper explores a protocol-centric approach to collaborative authoring by examining the requirements and functionality of the WebDAV protocol. Key features of the protocol are non- connection-oriented concurrency control, providing an upward migration path for existing non-collaborative applications, support for remote manipulation of the namespace of documents, and simultaneous satisfaction of a wide range of functional requirements. Introduction Despite many compelling research examples of collaborative authoring, so far their impact on actual authoring practice has been limited. While BSCW (Bentley et al., 1997) and HYPER-G (Maurer, 1996) have developed communities of use, electronic mail remains the dominant technology used for collaborative authoring, mainly due to its ubiquity. In order to perform collaborative authoring, all collaborators need to use compatible authoring tools—typically all collaborators use the same tools, tailor- made to support collaboration. To collaborate using PREP (Neuwirth et al., 1994), all collaborators need to use PREP, likewise for GROVE (Ellis et al., 1989) and DUPLEX (Pacull et al., 1994).