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Algorithm Visualization (AV)

The AlgoViz Portal Lowering the Barriers for Entry into an Online Educational Community. Monika Akbar, Alexander Joel Alon , Michael Stewart, Clifford A. Shaffer, Stephen H. Edwards. Department of Computer Science, Virginia Tech.

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Algorithm Visualization (AV)

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  1. The AlgoViz Portal Lowering the Barriers for Entry into an Online Educational Community Monika Akbar, Alexander Joel Alon, Michael Stewart, Clifford A. Shaffer, Stephen H. Edwards. Department of Computer Science, Virginia Tech. Email: {amonika, alon, tgm, shaffer, steve.edwards}@vt.edu • Algorithm Visualization (AV) • AVs are used for motivating students in exploring the core concepts of data structure and algorithms. • Instructors report difficulty in finding and using quality AVs • AlgoViz Portal provides: • an extensive AV Catalog with detailed descriptions and evaluations • A community of users: instructors, students, developers, researchers • Developing Collections and Content • Educators : Forum for sharing and learning from each others’ experience • Catalog of over five hundred AVs • Browse by category • Full text search • Ratings and comments • Field reports • Discussion boards • AV Developers: Platform for creating better AVs • Developer resources • OpenAlgoViz, a SourceForge site for example implementation and open source code of AVs • AV Researchers: Gateway for AV-related services, collections, and resources. • Other AV repositories • Publication venues • Annotated bibliography • Supporting Online Community • Ease of Access – Minimize the difficulty of getting started. • Ease of content creation – Drupal CMS allows easy content creation for each registered user. • Ease of contribution – Registered users can easily create new content, rate existing content, contribute forum posts or leave feedback and comments. • Ease of staying informed – Registered users get notification of site and forum updates through email or Twitter • Ease of communication – Forums, field reports, email http://algoviz.org • Encouraging User Participation • AlgoViz.org Awards - A process for honoring outstanding AVs. The AVs were nominated and voted on by community members. Winners will be announced at SIGCSE 2010. • AV of the day – Showcases high quality AVs in the front page. • Future work • Rewards for participation • Suggestion of content based on user behavior. • Showing navigation trends on the site. NSF Grant: DUE-0836940

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