Another Word For It Patrick Durusau on Topic Maps and Semantic Diversity

April 9, 2010

TFM (To Find Me) Scoring

Filed under: LCSH,Subject Headings,Subject Identifiers,Subject Identity — Patrick Durusau @ 8:34 pm

The TFM (To Find Me) score for a topic map or other information resource depends upon the subject being identified.

Here is a portion of a record from the Library of Congress:

LC Control No.: 2001376890
Type of Material: Book (Print, Microform, Electronic, etc.)
Main Title: Medieval Slavic manuscripts and SGML : problems and
perspectives = Srednovekovni slavi·a·nski rukopisi i
SGML / [Anisava Miltenova, David Birnbaum, editors].
Parallel Title: Srednovekovni slavi·a·nski rukopisi i SGML
Published/Created: Sofii·a· : A.I. “Prof. Marin Drinov”, 2000.
Related Names: Miltenova, Anisava
Birnbaum, David J.
Description: 371 p. : ill. ; 24 cm.
ISBN: 9544307400
Subjects: ***omitted, will cover in another post***
LC Classification: Z115.5.C57 M43 2000
Language Code: eng bul
Other System No.: (OCoLC)ocm45819499
CALL NUMBER: Z115.5.C57 M43 2000

How many ways can you find this book?

  1. Main title: Medieval Slavic manuscripts and SGML : problems and perspectives
  2. Parallel Title: Srednovekovni slavi·a·nski rukopisi i SGML
  3. ISBN: 9544307400
  4. Other System No.: (OCoLC)ocm45819499

TFM score of 4. Four ways to find this book.

But, why the following weren’t included?

  1. LC Control No.: 2001376890
  2. CALL NUMBER: Z115.5.C57 M43 2000

Which would have made the TFM score 6.

Depends on what subject you think is being identified.

If the subject is this book, as a publication, the TFM score remains at 4.

If the subject is a particular copy of this book, held by the Library of Congress, the TFM score goes to 6.

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