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  2. Cranfield experiments - Wikipedia

    en.wikipedia.org/wiki/Cranfield_Experiments

    The Cranfield experiments were extremely influential in the information retrieval field, itself a subject of considerable interest in the post-World War II era when the quantity of scientific research was exploding. It was the topic of continual debate for years and led to several computer projects to test its results.

  3. Information retrieval - Wikipedia

    en.wikipedia.org/wiki/Information_retrieval

    Information retrieval is the science [1] of searching for information in a document, searching for documents themselves, and also searching for the metadata that describes data, and for databases of texts, images or sounds. Automated information retrieval systems are used to reduce what has been called information overload. An IR system is a ...

  4. Information extraction - Wikipedia

    en.wikipedia.org/wiki/Information_extraction

    An example, consider a group of newswire articles on Latin American terrorism with each article presumed to be based upon one or more terroristic acts. We also define for any given IE task a template, which is a(or a set of) case frame(s) to hold the information contained in a single document.

  5. Evaluation measures (information retrieval) - Wikipedia

    en.wikipedia.org/wiki/Evaluation_measures...

    Indexing and classification methods to assist with information retrieval have a long history dating back to the earliest libraries and collections however systematic evaluation of their effectiveness began in earnest in the 1950s with the rapid expansion in research production across military, government and education and the introduction of computerised catalogues.

  6. Template:Retrieved - Wikipedia

    en.wikipedia.org/wiki/Template:Retrieved

    It may be used with citation and external link templates that do not provide retrieval information, such as Template:IMDb title Template:Plain link Template:Rotten Tomatoes Template:URL. and others; however, see § Exceptions for recommended exceptions. This template and its documentation make use of Citation Style 1 guidelines. Example:

  7. Query by Example - Wikipedia

    en.wikipedia.org/wiki/Query_by_Example

    Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL . [ 1 ] It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions.

  8. Concept search - Wikipedia

    en.wikipedia.org/wiki/Concept_search

    A concept search (or conceptual search) is an automated information retrieval method that is used to search electronically stored unstructured text (for example, digital archives, email, scientific literature, etc.) for information that is conceptually similar to the information provided in a search query.

  9. BRS/Search - Wikipedia

    en.wikipedia.org/wiki/BRS/Search

    BRS/Search is a full-text database and information retrieval system. BRS/Search uses a fully inverted indexing system to store, locate, and retrieve unstructured data. It was the search engine that in 1977 powered Bibliographic Retrieval Services (BRS) commercial operations with 20 databases (including the first national commercial availability of MEDLINE); it has changed ownership several ...

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    related to: information retrieval history form example template