Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

VRA 2010 MDID Users Group Presentation


Published on

Published in: Education
  • Be the first to comment

VRA 2010 MDID Users Group Presentation

  1. 1. MDID Users Group<br />VRA Conference 2010<br />Atlanta, GA<br />
  2. 2. Vision and Guiding Principles<br />Allow students and faculty to manage, discover, and aggregate digital media for intuitive and flexible delivery and presentation<br />Embrace Web 2.0 and open access<br />
  3. 3. Content Discovery<br />Starts on front page<br />Displays selection of images accessible to user<br />
  4. 4. Explore Interface<br />Keyword and facet driven<br />Facets are based on Dublin Core<br />Shows all records accessible to user<br />Unauthenticated (anonymous) users see publicly accessible content<br />
  5. 5. Sidebar: Role of Dublin Core<br />MDID “knows” meaning of some Dublin Core fields<br />Title<br />Identifier<br />Relations<br />As many fields as possible should be mapped (directly or indirectly) to a Dublin Core field<br />
  6. 6. Facets<br />By default facets are broken up by words<br />Phrases are possible<br />Controlled vocabulary fields<br />Examples: Creator, Period<br />
  7. 7. Sidebar: Search Engine<br />MDID uses Solr for all searching and facet creation<br />Solr is an Open Source tool built on Lucene, which MDID2 uses<br />Search behavior can be customized directly in Solr<br />
  8. 8. External Content<br />All searches also run against external sources<br />MDID shared collections<br />Flickr<br />ARTstor<br />
  9. 9. Multimedia Support<br />Thumbnails are automatically generated<br />Images<br />Videos (still frame five seconds in)<br />Audio (30 second waveform sample)<br />
  10. 10. Sidebar: Supported Multimedia Formats<br />MDID backend supports FFmpeg compatible formats; commonly available client side delivery tools may only support a subset<br />MDID uses FFmpeg to identify files and to extract information<br />Determine bandwidth and pixel dimensions<br />Extract video frames<br />Extract audio samples to create waveform<br />
  11. 11. MediaViewer<br />Replaces MDID2’s ImageViewer<br />Complete rewrite with modern technologies<br />Three modes:<br />MediaViewer: Web (development complete)<br />MediaViewer: Desktop (almost complete)<br />MediaViewer: Package (under way)<br />Compatible with both MDID2 and MDID3<br />
  12. 12. MediaViewer: Web <br />Runs in any modern browser on both Windows and Mac OS<br />Requires Flash player version 10.0 or higher<br />Runs in full screen mode with limited keyboard interaction<br />Currently integrated with MDID2 demo site<br />
  13. 13.
  14. 14.
  15. 15. MediaViewer: Web <br />The MediaViewer along with installation instructions will be published on new support site<br />A short video tutorial and PDF documentation are also available on the MDID support site<br />MDID3 will feature the new MediaViewer out of the box<br />
  16. 16. MediaViewer: Desktop<br />Built on Adobe AIR technology using same code as web version<br />Requires a live Internet connection<br />Easy web-based installation<br />Will be released with MDID3<br />Will be backward compatible with MDID2<br />
  17. 17.
  18. 18.
  19. 19.
  20. 20.
  21. 21. Accessibility<br />Content discovery and management is possible without<br />a mouse<br />JavaScript<br />Flash<br />Certain viewers depend on JavaScript or Flash, e.g. MediaViewer<br />
  22. 22. Vision and Guiding Principles<br />Embrace Web 2.0 and open access<br />Encourage content sharing between individuals, institutions, and the public<br />Leverage collective intelligence through comments, ratings and tagging<br />Engage students by allowing them to add, create, share, and manage content<br />
  23. 23. Social Networking Features<br />Stable URLs (permalinks) to all pages<br />Tagging for records and presentations<br />Comments<br />
  24. 24. User Involvement<br />Optionally all authenticated users can use MDID to manage their content<br />Upload metadata and files<br />Customize metadata on all records<br />Create presentations<br />By default these actions are invisible to all other users<br />File uploads are optionally limited by quotas<br />
  25. 25. Management Tools<br />Built into web application<br />Metadata import<br />CSV<br />VRA Core 4<br />Job management<br />Long running tasks are executed asynchronously<br />Job status is displayed in browser<br />Administrators can monitor and control all jobs<br />
  26. 26. Content Organization<br />Metadata records and media files are organized separately<br />Records are stored in Collections<br />Media files are stored in Storage Areas<br />
  27. 27. Collections can contain other collections<br />Photography<br />Landscapes<br />JMU Photographs<br />
  28. 28. The same collection can belong to multiple collections<br />Photography<br />JMU Artifacts<br />Founding Documents<br />Landscapes<br />JMU Photographs<br />JMU Photographs<br />
  29. 29. Records and associated media<br />Multiple files of different types can be associated with a single record<br />Media<br />File: john-doe.mp3<br />Type: audio/mpeg<br />Record<br />Title: Interview with John Doe<br />Date: May 5, 2004<br />Media<br />File: john-doe.pdf<br />Type: application/pdf<br />
  30. 30. Hierarchical Records<br />If multiple files of the same type exist, each should have its own record<br />Records can belong to at most one parent record and have no, one, or multiple child records<br />Wilson Hall<br />Front view<br />Detail view<br />
  31. 31. Viewers<br />Viewers are tools that display a single record or a whole presentation on the web<br />Viewers support a variety of presentation types:<br />MediaViewer for slideshows<br />Player for video or audio playlists<br />Flash card generator<br />Slideshow handout generator<br />More viewers will be added to MDID over time<br />
  32. 32. Viewers<br />MDID determines which viewers fully or partially support an object or a presentation<br />Mixing media types in a presentation is possible but may limit the number of viewers that are available<br />When multiple files are associated with a single record in a presentation, viewers intelligently choose the appropriate file where possible<br />
  33. 33. Records can belong to multiple collections<br />JMU Photographs<br />Architecture<br />Wilson Hall<br />Wilson Hall<br />
  34. 34. Storage Areas<br />Each Storage Area in MDID defines a physical storage area to hold media files<br />Collection files can be spread across multiple storage areas rather than restricted to one physical directory<br />Storage areas can hold files that belong to different collections<br />
  35. 35. Storage Areas<br />Storage areas can add functionality<br />Automatically manage ZIP archives<br />Produce streaming media links<br />Physically organize files in subdirectories<br />
  36. 36. Permissions<br />Only three permissions<br />Read<br />Write<br />Manage<br />Can be set for users or user groups on<br />Collections<br />Storage Areas<br />Presentations<br />
  37. 37. Organizing collections to control access<br />Goal: some records in a collection are available to the public, while others are not<br />Solution 1: Create two collections and add them to a parent collection<br />Photographs<br />Public<br />Private<br />
  38. 38. Organizing collections to control access<br />Goal: some records in a collection are available to the public, while others are not<br />Solution 2: Create one private collections and add it to a public parent collection<br />Photographs<br />Private<br />
  39. 39. Organizing Storage Areas to control access<br />Goal: Only low quality video should be publicly available<br />Solution: Store videos in different storage areas<br />Low quality video storage<br />Record<br />High quality video storage<br />
  40. 40. Customization<br />Interface template is completely CSS based<br />All colors are configured in one area<br />Two master colors define basic color scheme<br />Logos can be switched out<br />HTML can be modified easily<br />
  41. 41. PowerPoint<br />Export MDID presentations as PPTX files<br />Users choose from different themes<br />Additional themes can easily be added<br />Import PPT and PPTX files into MDID<br />Converts all slides to images<br />Slide quality not as good as an image export directly from PowerPoint<br />Requires OpenOffice on server<br />
  42. 42. Vision and Guiding Principles<br />Continue to promote adoption of MDID beyond JMU<br />Build MDID 3 using Open Source software<br />Share MDID 3 through an Open Source license<br />
  43. 43. Server Architecture<br />MDID can be installed on any major operating system<br />Windows<br />Linux<br />MacOS<br />
  44. 44. Server Component Overview<br />
  45. 45. Server Architecture<br />Components can reside on one or multiple servers running any major operating system<br />Components can be duplicated on multiple servers for redundancy or to support more load<br />
  46. 46. Migrating from MDID2<br />Document any customizations<br />Custom user authentication<br />Clean up collection fields<br />Map as many fields to Dublin Core as possible<br />Migration tool will copy users, groups, collections, records, etc.<br />Due to differences in data structures, migration results need to be reviewed before going live<br />
  47. 47. MDID as a platform for building multimedia apps<br />Developers can build custom multimedia applications on top of MDID<br />Showcases for special collections<br />Specialized interfaces for compound multimedia objects<br />Simplified interfaces with unneeded functionality removed<br />
  48. 48. JMUtube<br />Allows faculty to manage and deliver video, audio and Adobe Presenter files<br />Simple drag-and-drop playlist builder<br />Integrated with JMU’s classroom recording system and Camtasia Relay<br />
  49. 49. Shenandoah Valley Oral History Project<br />Records have audio and text transcripts attached<br />Custom interface presents scrolling text synchronized to playing audio<br />
  50. 50. New MDID help site<br />Centralized documentation for all MDID installations<br />Context sensitive links embedded in MDID<br />Supports social networking features<br />Comments and tagging<br />Request an account and contribute documentation<br />Integrated FAQ where questions are asked and answered<br />Community-oriented: Success will depend on community participation<br />
  51. 51.
  52. 52.
  53. 53.
  54. 54. Q&A<br />
  55. 55. Project Team<br />Andreas Knab<br />Kevin Hegg<br />Grover Saunders<br />Tina Updike<br />Sarah Cheverton<br />Lead Software Developer, CIT<br />Assistant Director, CIT<br />Web Media Developer, CIT<br />Visual Resources Specialist, SAAH<br />Director, CIT<br />
  56. 56. MDID blog and wiki at<br />MDID users list at<br />MDID2 project on SourceForge at<br />MDID3 project on Google Code at<br />Email:<br />Support<br />
  57. 57. Authors:<br />Kevin Hegg (<br />Andreas Knab (<br />Christina Updike Visual Resources Specialist (<br />Further Information:<br />Visit<br />Email<br /><ul><li>Product and company names mentioned in this presentation may be the trademarks of their respective owners.</li></ul>Information<br />
  58. 58. Additional MDID Events at VRA<br />Tomorrow, Friday, March 19Ask the Experts Forum – Atlanta H3:30 pm<br />VRA Digital Matchmaking Group – Atlanta EFG5:00 pm<br />