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Glossary

Abstract

A brief summary or description of the essential content from the source document.

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Broader Term

Broader terms are found in the Major Concepts search aid. They are known to be wider in scope than the one selected. Only the terms one level wider are given. If a term has multiple broader terms, then more than one hierarchy will appear. See also Narrower Term.

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CAS Registry No.

The CAS Registry Number® is a five-to-nine digit number assigned to chemicals mentioned in the source publication. Some chemicals may have multiple registry numbers.

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Descriptor

Descriptors are terms that are currently used in indexing product records.

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DOI (Digital Object Identifier)

The Digital Object Identifier (DOI®) is a system for permanently identifying and exchanging intellectual property in the digital environment.

Example: DOI: 10.1134/S1061920808010020

See http://www.doi.org for more information.

DOI® is a registered trademark of the International DOI Foundation.

A DOI number can be associated with an article, a book, a book chapter, a data study document, and other document types.

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Holdings

Items in a library collection. For example, a library's online catalog would show whether the source publication is held in the library's collection.

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ISBN

The International Standard Book Number is a unique identifier that identifies a work's national, geographic, or language, along with the publisher, title, edition, and volume number. The format is a 10-digit number that contains 3 hyphens (-). The last digit is a check character, which may be a number or X. The position of the hyphens can vary for each ISBN. Example: 2-7380-1000-8

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ISSN

The International Standard Serial Number is a unique number that identifies the source publication. The format is four numbers, a hyphen (-), three numbers, and then a check character that may be a number or X. Example: 0002-9262

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Marked List

A list of records that you marked from either the Results page or the Full Record page. Once you add records to the Marked List, you can later print, save, e-mail, order, or export some or all of those records. You have the option to select records from the Total Records table to output or you can select records from a specific product database.

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Narrower Term

Narrower terms are found in the Major Concepts search aid. They are generally terms that are more focused in scope. Only the terms one level narrower are given. If a term has multiple broader terms, all narrower terms may not necessarily be in the same branch of the hierarchy. See also Broader Term.

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Related Term

Related terms are found in the Major Concepts search aid. They are generally terms that have a close conceptual relationship to a Concept Code, but they are not synonymous. Related Terms may be added to a search query.

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Scope Notes

Scope notes are found in the Concept Codes and Major Concepts search aids. They generally describe how a term or code is used and/or provide historical information about its use.

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Search Aid

Search aids are tools that allow you to select predefined names, terms, or codes and automatically add them with the appropriate syntax to a search query. Search aids allow you to quickly and easily achieve consistent search results.

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Set Combination

A set combination consists of two or more set numbers that you can run as a unique search query. For example, #1 AND #3 combines the results of set 1 and set 3 to form a single query. Set numbers appear under the Set column in the Search History table.

You can also enter a single set number alone to refresh the results of a previous search. In this instance, you may also want to change the timespan, languages, document types, literature types, and Taxa Notes.

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Source Document

An article, patent, book, or other work represented by a record in the product database. May also be referred to as "source publication" or "source record".

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Taxonomy

A system for naming and organizing plants and animals into groups that share similar qualities.

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Term

Terms are keywords that are used to index records. A keyword can be a single word or several words. For example, enzyme is a term.