[rak-list] Contents notes in MARC: jetzt auch Inhaltsverzeichnisse

[Armin Stephan]

Ist das nicht eine Katastrophe im Umgang mit einem Datenformat, 
ein Datenfeld mit unterschiedlichen Inhalten zu fuellen??

Und dann noch mit solch umfangreichen, unstrukturierten Daten ...

Mit freundlichen Gruessen
Armin Stephan
Augustana-Hochschule / Bibliothek
D-91564 Neuendettelsau

Am 25 Apr 2005 um 10:51 hat B.Eversberg geschrieben:

> 
> Etwas Neues zum Thema Anreicherung von Katalogen.
> 
> Das MARC-Feld 505 "Contents note", oft benutzt zur AUflistung der
> Bandtitel bei mehrteiligen werken, wird jetzt von der LC zusätzlich
> auch für die Angabe von Inhaltsverzeichnissen verwendet. Nachfolgend
> die Original-Mitteilungen aus der "LC Cataloging newsline" Nr. 13/6
> US-OPACs indexieren in Ermangelung sonstiger Felder oder Sätze für die
> Titel von Bänden meistens die 505 im allgemeinen Stichwortregister.
> Daher wohl die Entscheidung, die 505 auch für diesen neuen Zweck zu
> nutzen.
> 
> MfG B.E.
> ----------------------------------------------------------------------
>                   MACHINE-GENERATED CONTENTS NOTES
> 
>       On Feb. 1, 2005, the Library of Congress began enriching
> bibliographic records with scanned table of contents data in field
> 505,  adding information that was previously available only through
> 856 links.  The 505 data are generated from the table of contents
> information and supplied by computer program.    They will be preceded
> by the legend: "Machine-generated contents note:"   The 505 indicators
> for these  machine-generated notes will be set to "8" (no display
> constant generated) and blank (Basic; single occurrence of subfield
> $a).
> 
>       Since the scanned tables of contents come in a wide variety of
> formats and structures, some errors are to be expected in the
> placement and configuration of the 505 textual strings.  Space,
> hyphen, hyphen, space will be inserted after each line break within
> the tables of contents. Chapter and page numbers will appear as
> captured from the scanned tables-of-contents images.  The 505 data
> will not undergo review for punctuation.   Below is a sample 505:
> 
>       505 8  $aMachine-generated contents note: PREFACE 1.
> Probability  -- 1.1 Introduction 1 -- 1.2 Algebra of Sets 2 -- 1.3
> Properties of Functions 5 -- 1.4 Matrix Algebra 13 -- 1.5 Three
> Approaches 16 -- 1.6 Conditional Probability and Independence of
> Events 39 -- 1.7 Geometric Probability 48 -- 1.8 Miscellaneous
> Examples 54 -- Exercises  73 2. Univariate Distribution -- 2.1 Random
> Variable 80 -- 2.2 Expectation, Variance and Moments 89 -- 2.3 Moment
> Generating Function 104 -- 2.4 Characteristic Function and Cumulants
> 106 -- 2.5 Some Standard Discrete Distributions 100 -- 2.6 Some
> Standard Continuous distributions 128 -- 2.7 Transformation of
> Variables 143 -- 2.8 Miscellaneous Examples 153 -- Exercises 175 3.
> Bivariate Distribution -- 3.1 Joint, Marginal and Conditional
> Distributions 188 -- 3.2 Moments, Conditional Moments  200 -- 3.3
> Correlation and Regression 209 -- 3.4 Transformation of Variables 215
> -- 3.5 Bivariate Normal Distribution 228 -- 3.6 Bivariate Dirichlet
> Distribution 235 -- 3.7 Miscellaneous Examples 237 4. Multivariate
> Distributions  -- 4.1 Different Aspects of a Multivariate Distribution
> 258 -- 4.2 2, t and F-Distributions 281 -- 4.3 Correlation and
> Regression 296 -- 4.4 Some Standard Multivariate Distributions 309 4.5
> Order Statistics 320 -- 4.6 Some Notions of Dependence 339 -- 4.7
> Results on Symmetrization 348 -- 4.8 Miscellaneous Examples 353 --
> Exercises 368 5. Limit theorems -- 5.1 Chebyshev's Inequality 384 --
> 5.2 Other Useful Inequalities 390 -- 5.3 Convergence in Distribution
> 403 -- 5.4 Convergence in Probability 411 -- 5.5 The Laws of Large
> Numbers 419 -- 5.6 Central Limit Theorems 429 -- 5.7 Miscellaneous
> Examples 438 -- Exercises 456
> 
>       LC records with existing 856 links to tables of contents texts
> will be batch-processed, modified, and redistributed on a daily basis
> until all the approximately 60,000 records containing links from the
> 856 to LC's web-based DTOC (digital tables of contents) records are
> enhanced.   The 856 links to the DTOCs will remain in the records.
> 
>       This effort makes tables of contents information more readily
> available within MARC records and increases access to these data.
> Questions or comments regarding the scope or data content of these
> records may be directed to John Byrum <jbyr at loc.gov>, (202) 707-5196.
> 
>