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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.
The product is often an '''abstract journal''' or a [[bibliographic index]], which may be a subject bibliography or a [[bibliographic database]].
Not to be mixed up with [[Indexing Service]] (Index server)▼
==See also==
==References==
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==
http://www.weaverindexing.com/
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