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{{Short description|Service that provides summaries and descriptions of documents}}
An '''abstracting service''' is a service that provides abstracts of publications, often on a subject or group of related subjects, usually on a subscription basis. An '''indexing service''' is a service that assign descriptors and other kinds of access points to [[document]]s. The word indexing service is today mostly used about computer programs (see [[indexing service]], but may also cover services providing [[back-of-the-book index]]es, journal indexes and related kinds of indexes (see [[index (publishing]]. An '''indexing and abstracting service''' is a service, that provides shortening or summarizing of documents and assigning of descriptors for referencing documents. ▼
{{redirect|Indexing service|the Microsoft software|Indexing Service}}
▲An '''abstracting service''' is a service that provides [[Abstract (summary)|abstracts]] of publications, often on a subject or group of related subjects, usually on a subscription basis.<ref>Manzer, B. M. (1977). ''The Abstract Journal, 1790-1920. Origin, Development and Diffusion''. Metuchen, N.J.: The Scarecrow Press.</ref> An '''indexing service''' is a service that
The product is often an '''abstract journal''' or a [[bibliographic index]], which may be a subject bibliography or a [[bibliographic database]]. ▼
▲The product is often an '''
Guidelines for indexing and abstracting, including the evaluation of such services, are given in the literature of [[library and information science]].<ref>Lancaster, F. W. (1991/1998/2003). ''Indexing and abstracting in theory and practice''. London: Library Association. (1st ed. 1991; 2nd ed. 1998; 3rd. ed. 2003).</ref>▼
==See also==
* [[Bibliography]]
* [[Citation index]]
* [[Guide to information sources]]
* [[List of academic databases and search engines]]
* [[Subject indexing]]
==References==
{{Reflist}}
▲Lancaster, F. W. (1991/1998/2003). Indexing and abstracting in theory and practice. London: Library Association. (1st ed. 1991; 2nd ed. 1998; 3rd. ed. 2003).
==External links==
*American Society of Indexers: https://web.archive.org/web/20111128132758/http://www.asindexing.org/i4a/pages/index.cfm?pageid=1
*Society of Indexers (UK): https://www.indexers.org.uk/
[[Category:Bibliographic databases and indexes]]
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