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changeOfPerspective :FRBR hasInfluenceOn :Relevancy
Transcript of changeOfPerspective :FRBR hasInfluenceOn :Relevancy
FRBR and Relevancy Ranking in WorldCat Local Greg Matthews & Jon Scott
WorldCat Discovery Day
30 July 2010 Evolving FRBR concept
Provides database users with faceted search results
A single work can be sub-grouped and accessed by container, date, creator, language …
Serves as a foundation for relevancy ranking
The more complex and nuanced a work’s bibliographic existence, the higher its relevance
Explores the FRBR model as a conceptual foundation for WorldCat Local architecture and functionality
Demonstrates how FRBR concepts and entities facilitate discovery searching by identifying relationships between informational objects in the bibliographic universe * Tillett, Barbara, "Terminology", What is FRBR? A Conceptual Model for the Bibliographic Universe,
www.loc.gov/cds/downloads/FRBR.PDF (accessed 26 July 2010)
Group 1 : WHAT the record describes
- Work, Expression, Manifestation, and Item
Four levels of information object representation
"... represent the products of intellectual or artistic endeavour" *
Group 2 : WHO is responsible for the work
- Person, Corporate Body
"... responsible for the custodianship of Group 1's intellectual or artistic endeavour." *
Group 3 : WHAT the work is about
- Concepts, Objects, Events, Places
"... subjects of Group 1 or Group 2's intellectual endeavour ..."*
* Wikipedia contributors, "Functional Requirements for Bibliographic Data", Wikipedia, The Free Encyclopedia,
http://en.wikipedia.org/wiki/Functional_Requirements_for_Bibliographic_Records (accessed June 26, 2010) http://washingtonstate.worldcat.org/search?q=steve+prefontaine+gc%3Aoregon example : http://washingtonstate.worldcat.org/search?q=steve+prefontaine
returns ~ 60 results example :
returns ~ 150,000 results FRBR entities ... "Functional Requirements for Bibliographic Records"
Developed and monitored by the IFLA Study Group on FRBR (1992-95, 1997)
Intended to be independent of existing cataloging standards, rules and formats A conceptual, entity-relationship model
New ways to think about cataloging record structure and application
"... a more precise vocabulary to help future
cataloging rule makers and system designers"
meet user needs *
Potential for basic level cataloging records to provide optimal usability Identifies bibliographic entities
Distinguishes between three entity groups
Entity groups are inter-related FRBR basics .... FRBR background ... FRBR structure ... This presentation . . ... Manifestation An example of an expression of a work - a paperback copy of a novel "Item in hand" - Scope of traditional cataloging describes a container and its contents FRBRization groups manifestations of a work - Gathers and organizes the contents of a work expressed and manifested in multiple containers, sometimes even providing access to a work's contents . . FRBR and relevancy Descriptive data - authors, titles, subjects - can be broken apart and reassembled in a FRBRized environment
Relevancy becomes a function of identifying relationships between different pieces of data created when a user utilizes the metadata maintained in a FRBRized system . . . POW! Super Works