Dewey decimal classification

(redirected from Dewey numbers)
Also found in: Thesaurus.
Related to Dewey numbers: Dewey notation

Dewey decimal classification

A system used in libraries for organizing nonfiction publications into subject categories corresponding to three-digit numerals, with further specification expressed by numerals following a decimal point.

[After Melvil Dewey.]

Dew′ey dec′imal classifica`tion

Trademark. a system of library classification using three-digit numerals for major divisions and numerals following a decimal point for subdivisions: devised by Melvil Dewey.
Also called Dew′ey dec′imal sys`tem.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Dewey decimal classification - a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a decimal point; publications are shelved by number
classification system - a system for classifying things
References in periodicals archive ?
Additionally, the ISBN, binding, and price have been positioned after the Library of Congress Classification Number(s), secondary Dewey Numbers (if present), and Control Number.
You can have discussion groups on Dewey numbers, on information literacy, on displays etc and the beauty of these circles, unlike the more open internet discussion lists--is that you can choose which circles you are interested in and only look at that Information without too much clogging up your inbox.
On all bulletin boards and display cases we include the general Dewey numbers of the topics so students are able to find more titles on the same subjects.
Since there was no way to translate the Dewey numbers into subjects in batch and Dewey numbers are not particularly useful in academic libraries, the authors decided to code each transaction using a folksonomy of descriptors that would be useful locally for detailed analysis by subject specialists.
The example below from Joyce Saricks shows how the traditional subject access tools of subject headings and Dewey numbers fail to adequately convey those characteristics of a book that would make it of interest to a reader David Laskin's Children's blizzard, a gripping account of the deadly storms that raged across the Midwest in 1888, turns up in my library system in 977 or 978 (history) and in 551.55 (weather).
The pathfinders briefly summarize the scope of the topic and list catalog subject headings, key words and Dewey numbers, Web sites, and print resources.
We decided each student would choose one range of Dewey numbers and render drawings and images representing the types of books found in that range.
A special feature of the WebDewey service is its inclusion of selected Library of Congress (LC) subject headings--linked to the LC authority files--that have been intellectually mapped to Dewey numbers by the DDC editors and statistically mapped to Dewey numbers in OCLC's WorldCate database.
My reservations about the project concerned its implication that it constituted a union list of all nineteenth century English books, when it really only represented the holdings of six (then eight) large institutions; that it was based on catalogue records, not examination of the books themselves; that its subject access through Dewey numbers and broad subject headings was cumbersome; and that it attempted to distinguish its clientele between `real' historians and book historians.
They also break weeding criteria down by topic and Dewey Numbers and explain how to use automation tools.
Its features include LCSH that have been intellectually mapped to Dewey headings by DDC editors, including many from the OCLC Forest Press publication Subject Headings for Children; links from mapped LCSH to the LCSH authority records; mappings between abridged Dewey numbers and subject headings from the latest edition of H.W.