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Glossary

AACR2

Anglo-American Cataloging Rules, version 2. The cataloging code for English-speaking countries that instructs libraries how to create bibliographic records.

ANSI

American National Standards Institute. The standards boy for the U.S. that oversees the development and publication of all formal standards in this country.

Cardinal number

A number denoting quantity but not order in a group. Or, a number that stands alone. Examples: 1, 2, 3, etc. Cardinal numbers are not language dependent.

Caption

The word or phrase used to describe the nature of the number in the enumeration. For example, if a serial issue has on the cover Part 208Part is the caption and 208 is the enumeration.

Chronology

The date of publication printed on the item. It is frequently hierarchical. For example, if the item has on the cover "March 2002", there are two levels of enumeration — the year and the month.

Compressed

Describing a range of holdings by listing the first item held and the last item held. For example, Bd.1-Bd.3.

Data Area

The conceptual holdings element, or field. A data area can sometimes be further divided into subelements, or subfields. These are technically called data elements.

Data Element

The smallest conceptual holdings element, or subfield. A data element always exists as part of a larger field, technically called a data area.

Enumeration

The numbered element on a publication that is usually paired with a caption. For example, if a serial issue has on the cover Part 208Part is the caption and 208 is the enumeration. Enumeration for serials is frequently hierarchical. For example, if a serial issue has on the cover Volume 5 Part 208, there are two levels of enumeration.

ILS

Integrated Library System. Sometimes referred to as a "local system".

ISO

International Standards Organization. The international standards body that oversees the development and publication of all formal standards. National standards organizations such as ANSI report to ISO.

Itemized

Describing a range of holdings by listing each item individually in the range. For example, Bd.1 Bd.2 Bd.3.

LHR

Local Holdings Record. The OCLC record used to contain and exchange holdings data for WorldCat records. Local holdings records form the basis for local holdings displays. The records are based on the MARC 21 Holdings format.

MFHD

MARC 21 Format for Holdings Data. The official holdings communication standard within the English-speaking library community.

NISO

National Information Standards Organization. The subcommittee of ANSI that oversees standards for the library, computer, and information industries. Sometimes referred to as "committee Z39". All NISO standards begin with Z39.

OPAC

Online Public Access Catalog.

Ordinal Number

A number denoting order, quality, or degree within a group. The ordinal number is either spelled out (e.g., first, second), or a caption is paired with the number (e.g., 1st, 2nd). Ordinal numbers are language dependent (e.g., 1st in English but 1er in French).

Standard (ISO Definition)

A document available to the public; drawn up with the cooperation, consensus, or general approval of all interests affected by it; based on the consolidated results of science, technology, and experience; aimed at the promotion of optimum community benefits; and approved by a body recognized at the national, regional, or international level.

ULS

Union List System. OCLC's central database of summary holdings records in the LDR format.

 

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