What else can you do with dewey
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What else can you do with Dewey?. Diane Vizine-Goetz OCLC Research. Outline. Classify Kindred Works Dewey/BISAC initiatives. Classify. Experimental service from OCLC Research http://classify.oclc.org/ Leverages FRBR, classification assignments in WorldCat and other OCLC data

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What else can you do with Dewey?

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What else can you do with Dewey?

Diane Vizine-Goetz

OCLC Research


  • Classify

  • Kindred Works

  • Dewey/BISAC initiatives


Experimental service from OCLC Research


Leverages FRBR, classification assignments in WorldCat and other OCLC data

Offers class numbers for books, videos, CDs and other materials

User interface for day-to-day tasks

Machine service for batch processing


Updated quarterly

Classify page presents:

Title (work level)

Author (work level)

Formats available

Number of editions

Number of library holdings

Suggested class numbers based on holdings(Dewey, Library of Congress, National Library of Medicine)

FAST Headings

Editions List (Title, Author, Format, Holdings, Language, OCLC Number, Date, Class numbers)

Classify in Connexion

Top Interface Users (last 30 days)

  • India

  • United Kingdom

  • Sweden

  • Canada

  • Germany

  • Ecuador

  • Pakistan

  • South Africa

  • Uganda

  • Australia

Kindred Works

  • What is it?

    • Content-based recommender service

      • Leverages Classify, DDC, & WorldCat API

    • Consists of a demonstration interface & API

    • Accepts OCLC number or ISBN as input

Kindred Works

  • What you get?

    • A list of related resources (title, author, isbns)

    • Results can be limited to the holdings of a given institution

How it works

  • Search Classify by OCLC number or ISBN to get a Dewey number

  • Determine if the work is fiction or nonfiction

  • Inspect the seed record to determine

    • Adult or juvenile

    • Language of content

    • Textual resource

  • If nonfiction, formulate a query from DDC + audience level + language [+] institution code

  • If fiction, formulate a query from DDC + audience + language + genre + subjects [+] institution code

Examples (fiction)


Examples (nonfiction)

Kindred Works

  • Next Steps

    • Release as a prototype

    • Collect ratings data

    • Continue to refine the recommender logic

OCLC BISAC Initiatives

  • OCLC researchers and Dewey editors are collaborating on a project to create authority records for BISAC subject headings and add Dewey numbers to the records

  • BISAC subject headings, including usage notes, are coded according to the MARC 21 format for authority data

  • Dewey numbers from DDC 23, the latest edition of Dewey, are applied to the records by the Dewey team

Exploiting Relationships between BISAC and Other Resources

  • Dewey number

  • BISAC heading

  • BISAC code

Get BISAC headings based on Dewey number

Dewey number: 794

Mapped BISAC terms to 794*







BISAC headings add context to Dewey number + broad caption

Use a BISAC code to get a heading and a Dewey number

  • BISAC code in your metadata:

    • CKB007000

  • Looking up literal and mapping:

    • COOKING—Beverages—Beer —> 641.623

  • Deriving Dewey Summaries as broad subject description:

    • http://dewey.info/class/641/about.en: Food & drink

    • http://dewey.info/class/641/about.es: Alimentos y bebidas

    • http://dewey.info/class/641/about.ar: الأغذية والمشروعات

BISAC heading + broad Dewey caption provide categories for a specific BISAC code

Dewey number + broad Dewey caption + QR code provide link to an online catalog

Selected Links

  • DeweyBrowser

    • http://deweybrowser.oclc.org/ddcbrowser2/

  • Classify

    • http://classify.oclc.org/classify2/

  • Dewey.info

    • http://dewey.info/

  • OCLC Research Works

    • http://www.oclc.org/research/activities/researchworks.htm

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