PBCore: Overview

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    PBCore: Overview - Presentation Transcript

    1. PBCore: Overview Open Source Meeting February 2, 2009 Dave MacCarn
    2. What is PBCore? • ...a metadata dictionary, used to describe many different types of media items; • ...useful for locating, sharing and exchanging media items; • ...available for free to anyone, not just public broadcasters. 2
    3. Who created PBCore? • Unprecedented collaboration between public television and radio united a working group of 30 representatives of local and national organizations, from a wide cross-section of disciplines and roles. • Advisors included academic and metadata experts. • Before its launch, PBCore had wide industry review and key test implementations. 3
    4. What is the PBCore Structure? • PBCore v1.1 (http://www.pbcore.org; click on “User Guide” button) was published January 24, 2007 – Version 1.1 of PBCore maintains 53 elements arranged in 15 containers and 3 sub-containers, all organized under 4 content classes. • PBCore v1.2 was published November 14, 2008 – Version 1.2 of PBCore maintains 61 elements arranged in 15 containers and 4 sub-containers, all organized under 4 content classes. 4
    5. PBCore Examples? • PBCore is made up of 61 elements, each describing a different aspect of a media item. • Three sample PBCore elements are: 1. title: the media item’s name; 2. creator: the person or organization responsible for creating the media item; 3. publisher: the person or organization responsible for distributing the media item. 5
    6. PBCore Structure • Content Classes (Grouping of Data) – Intellectual Content • Title, Description, Genre... – Intellectual Property • Creator, Publisher, Rights... – Instantiation • Date Created, Format, Language… – Extensions
    7. PBCore Structure • Containers – Needed to define XML structure.
    8. PBCore Structure • Elements – The Real Data. • Title, Description, Genre, Creator, Publisher, Rights, Date Created, Format, Language…
    9. Intellectual Content
    10. Intellectual Property
    11. Instantiation
    12. Instantiation
    13. PBCore Structure • PBCore often uses a controlled vocabulary to describe a media item. • Controlling the terms used, and how they are presented, not only ensures consistent description of media items, it also improves the chances of a successful search. 13
    14. PBCore Structure • A picklist, or drop-down menu, is an example of a controlled vocabulary. Here is a picklist for the PBCore element 05.01, genre. 14
    15. PBCore Structure • PBCore also uses a structured syntax. • A structured syntax follows specific rules of punctuation, grammar or data entry in order to provide unambiguous descriptions. • For example... • creator (element 15.01): last name, first name middle name (Welles, George Orson) • title (element 02.01): Citizen Kane • dateCreated (element 25.02): YYYY-MM-DD (1941- 05-01) 15
    16. What does it mean to be PBCore compliant? • If you’re using PBCore to tag media items that you intend to share with the outside world, you must follow the dictionary rules and element obligations. • If you’re using PBCore for internal purposes only and don’t plan to share your resources with the outside world, you can apply the dictionary rules as you see fit.
    17. Facility Local Broadcast Playout , Traffic & Logs Scheduling (NGIS, PODS, BroadView, ProTrack, Scout) National Program Graphics Library Distribution Tracking Program Guides Archiving & Newsletters PBCore Listing XML VOD Services (XSD framework) Production Internet Services Post-Production & Distribution Options Development, Under- Digital Asset writing, Fundraising Management & Sponsorship Rights & Stock Footage Usage Management Education Connections Programming
    18. What is the PBCore XML XSD? • PBCore’s XSD defines the framework of the PBCore elements and their inter-relationships and interdependencies. • Download the PBCore XSD at http://www.pbcore.org/PBCore/PBCoreXMLSchema.html
    19. PBCore v1.2 So what's different?
    20. What's Next? • PBCore additions – to handle collections – Vocabulary – Radio specific extensions – Soliciting suggestions • CPB RFP American Archive Pilot – Includes some support for PBCore additions and web site
    21. The PBCore Web Site • Your one-stop shop for all things PBCore: http://www.pbcore.org – user guide – list of elements in various representations • full documentation, quick index, alphabetical, cheat sheet, etc. – listserv sign-up – training materials – many other resources (metadata primer, XML schema info, etc.)

    + Courtney MichaelCourtney Michael, 9 months ago

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