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Professional news search services

Abstract:

The professional fee-based news search services provide a number of advantages over the free news search engines, among them advanced search features, greater depth and scope of coverage, and access to back archives. The major services include Factiva, LexisNexis and DIALOG, all of which offer advanced searching techniques such as Boolean and proximity operators, specialized syntax and truncation. The fee-based services index their articles manually, using controlled vocabularies and subject codes. Searching on parameters such as date, news source and language are reliable. Results can be obtained in a variety of formats. The fee-based services also offer saved searches and regular search alerts. ...

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