Understanding OPDS              Hadrien Gardeur              @Hadrien              Feedbooks
Goal Creating a new architecture usingcommon, open standards that permitspeople to find, buy, acquire, and readbooks from ...
Short VersionRead anything, anywhere.
State of the ecosystem         > 20 OPDS clients Mostly used to distribute e-books        > 10 million users… thousands wi...
Fundamental  Concepts
Navigation / AcquisitionOPDS is based on resources and collections    A collection aggregates resources         Two kinds ...
Acquisition linkAcquisition in OPDS means accessing a publication           associated to a catalog entry         Multiple...
Fundamental Structures
Catalog  Catalogs are discoverable and can be shared              We use catalogs to…                   discover          ...
Shelf  A shelf is where I store my content             Shelfs can be…          specific to a catalog          global or ag...
Callback          A callback is a message                It contains…         how to acquire the content                  ...
Discover OPDS athttp://opds-spec.org
Understanding OPDS
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Understanding OPDS

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Introduction to OPDS: key concepts and ideas

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Understanding OPDS

  1. 1. Understanding OPDS Hadrien Gardeur @Hadrien Feedbooks
  2. 2. Goal Creating a new architecture usingcommon, open standards that permitspeople to find, buy, acquire, and readbooks from any source, on any device,using many different ebook applications. 
  3. 3. Short VersionRead anything, anywhere.
  4. 4. State of the ecosystem > 20 OPDS clients Mostly used to distribute e-books > 10 million users… thousands with their own catalogs Specification and online validation
  5. 5. Fundamental Concepts
  6. 6. Navigation / AcquisitionOPDS is based on resources and collections A collection aggregates resources Two kinds of resources : Navigation link Catalog entry … for two kinds of collections : Navigation Acquisition
  7. 7. Acquisition linkAcquisition in OPDS means accessing a publication associated to a catalog entry Multiple acquisition scenarios : Open Access Sale Lending Subscription Extract Undefined
  8. 8. Fundamental Structures
  9. 9. Catalog Catalogs are discoverable and can be shared We use catalogs to… discover browse search acquire contentCatalogs are meant to organize large collections,enable content providers to curate them, provide an integrated experience for the end user
  10. 10. Shelf A shelf is where I store my content Shelfs can be… specific to a catalog global or aggregated public or private synchronizedA shelf enables the user to find and read previously acquired content anywhere
  11. 11. Callback A callback is a message It contains… how to acquire the content metadata location of the shelf & catalog service discovery informationA callback is a message between the content provider and the reading environment.It opens the door to the reading ecosystem.
  12. 12. Discover OPDS athttp://opds-spec.org

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