Introduction to Dialog
Dialog Command Language Search Basics
Search Assistance and Tools
How to Use this Guide
Introduction to Dialog®
The Dialog service is the world's most comprehensive online information retrieval service and has been serving users since 1972. With over 600 databases from a broad range of disciplines, Dialog provides international access to information in a broad scope of subject areas. The volume of data available combined with the system's searching capabilities make Dialog the largest and most powerful online service of its type.
The Dialog content collection contains hundreds of databases comprised of millions of documents drawn from a multitude of sources. Dialog brings you scientific and technical literature; full-text trade journals, newspapers and newswires; details on millions of chemical substances; information on patents and trademarks issued worldwide; demographic data; and company financial statistics.
A variety of interfaces are available for accessing Dialog. Web-based, fill-in-the-blanks products such as DialogSelect™ and DialogPRO are intended to meet the needs of knowledge workers who are not information professionals. Among information professionals, the Dialog Command Language, present in products such as DialogLink 5® and DialogClassic Web™, continues to be favored by professional researchers. It offers sophisticated search options, precision search and retrieval tools, and a host of unique features. With Dialog Command Language, the researcher has complete control over which databases are interrogated and how the search is executed; exactly what data elements are retrieved and how they are output.
Dialog Command Language is an integral feature in the following product interfaces. Use any to mine more than 600 databases containing comprehensive, authoritative sources of scientific, technical, medical, business, news and intellectual property information:
Other Web-based interfaces are available for searching Dialog that exploit the features of HTML and Web scripting to simplify the search experience and do not use Dialog Command Language. The following have been created for researchers more familiar with Web search engines. Each of these interfaces represents an off-the-shelf solution built atop the core Dialog system. Each offers simple fill-in-the-blanks templates for search and retrieval.
More recently, new tools enable customers to exploit the power of Dialog Command Language by creating customized interfaces to the Dialog system.
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