Those tips went down
so well the other week, we thought we'd come right back at you with an even hotter
one.
Q: I looked in the Relative
Index of the print version of DDC 22 for the number for works about librarians,
and it told me 020.92. But when I checked on WebDewey, the caption at 020.92
says it's for works about archivists. What's going on?
A: The number 020.92 is a
built
number, constructed by taking the base number 020 for Library and information sciences, dropping
the terminal zero, and adding the "biography" number —092 Persons from Table 1: Standard Subdivisions. It isn't
listed in the schedules of the print version of DDC, but it does have its own
entry in WebDewey, where the caption is given as "Archivists, ..." The comma and
ellipsis in the caption indicate that more than one Relative Index term is
associated with the number, and that the single term given in the caption (in
this case, "Archivists") is simply the one that comes first when those terms are
ordered alphabetically. A complete list of Relative Index terms associated with
a number is given at the bottom of that number's WebDewey display. Three terms
are associated with 020.92: "Archivists," "Information scientists," and
"Librarians."
The form of the caption for
built numbers in WebDewey is explained in the WebDewey
User Guide, in the section "WebDewey
Record Structure," under "Caption":
For each DDC
number in the schedules, tables, and manual, a caption (heading) defines the
subject or subdivision that number represents. For built numbers, the caption
given is the first Relative Index term (in alphabetic order) associated with
that number. Therefore, if a built number contains more than one Relative Index
term, note all the Relative Index terms associated to it; all associated
Relative Index terms can apply to that number, not merely the alphabetically
first Relative Index term associated to the built number in its caption. ...
Captions with ellipses. Captions that end with ellipses occur only in records
for built numbers. Built numbers do not appear in the DDC schedules but are
constructed according to add instructions stated or implied in the schedules or
tables. WebDewey uses the associated Relative Index term as the caption for a
built number. If multiple Relative Index terms are associated with a built
number, the first term in alphabetical order appears as the caption, followed by
ellipses. (Ellipses, which also appear in browse results, indicate that more
than one Relative Index term is associated to a given built
number.)
Thanks to Arlene Taylor for
the original idea for this tip, and to Winton and Juli for the details of the
answer.
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