information retrieval

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information retrieval

Recovery of information, especially in a database stored in a computer. Two main approaches are matching words in the query against the database index (keyword searching) and traversing the database using hypertext or hypermedia links. Keyword searching has been the dominant approach to text retrieval since the early 1960s; hypertext has so far been confined largely to personal or corporate information-retrieval applications. Evolving information-retrieval techniques, exemplified by developments with modern Internet search engines, combine natural language, hyperlinks, and keyword searching. Other techniques that seek higher levels of retrieval precision are studied by researchers involved with artificial intelligence.

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It is part of NLM's unique new information retrieval system called MEDLARS (Medical Literature Analysis Retrieval System), and is said to be the first computer ever used to solve complex problems of scientific information handling in a library.

Meet PubMed's grandfather by Physical Therapy

Gerard Salton is often credited with developing the vector space model (VSM) for information retrieval (IR).

The most influential paper Gerard Salton never wrote by Dubin, David / Library Trends

In 2000, an Information Retrieval course was introduced as part of a generic programme, Unique Learning, to develop first year students' core skills such as communication, team working, critical thinking and information literacy.

Increasing students' library confidence by Walters, David L. / Academic Exchange Quarterly

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