OCLC FirstSearch WorldCat Results using FRBR Concepts

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OCLC FirstSearch WorldCat Results using FRBR
Concepts
Dawn Hendricks OCLC Content Models Product
Manager
WILS Peer Council October 10, 2005
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Currently in FirstSearch
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Goals

• Reduce perceived duplicates
• Highlight library holdings
• Enhance resource sharing

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Based on the OCLC Office of Research FRBR
Algorithm

• Combines records based on Author and Title
• Use existing bibliographic records
• OCLC Authority File used for variant forms
• Pull together a family of works
  
• All editions
• All formats
• All languages

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On the fly organization into work records

• Allows precise searching
• all existing indexes are valid
• Records displayed based on search result
• Able to expand to see all records of a work
  More like this
• Performance time for large results slower

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80/20 rule

• Only about 20 of the records are part of a
  multiple-version work
• Multiple-version records tend to be the widely
  held and appear at the top of results

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Introduced as ranking option

• At least initially offered as a choice from
  advanced or expert search screens

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Comparing todays with Similar versions
results
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How best to display multiple version records?

• As intuitive as possible
• Usability tested for common language
• Users able to get to what is wanted

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multiple version record
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Top of records shows summary information at
work/language level

• Functionality here often requires additional
  information from user
• select which format/record most interested in for
  ILL or OPAC linking for example
• scroll or jump to more specific information
  available

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scroll or jump down
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and scrolling to the bottom.
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Selecting Large Print within that record
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Both the FRBR title (uniform title) and the title
of the top held record needed.

• FRBR title used to collect up the records
• Top held records title is often the source of
  title information in the language of the records
• Both titles are displayed and highlighted when
  different

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Uniform title in French for English record

• Here the most widely held title makes this record
  clearly of interest to English users.

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General uniform title - songs

• Most widely held title only one of many
  represented by this record, including
• Bob Dylans greatest hits
• Oh mercy
• Gotta serve somebody
• Any day now sung by Joan Baez

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Author Title Search
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kw atlantic monthly today
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Similar Versions ranking of kw Atlantic monthly
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Top record primarily books by Atlantic Monthly
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Atlantic monthly and mtserial
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Thank You Questions?
For more information please contact
OCLC Dawn Hendricks Dawn_Hendricks_at_oclc.org