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  2. Hypernymy and hyponymy - Wikipedia

    en.wikipedia.org/wiki/Hypernymy_and_hyponymy

    A word can be both a hypernym and a hyponym: for example purple is a hyponym of color but itself is a hypernym of the broad spectrum of shades of purple between the range of crimson and violet. The hierarchical structure of semantic fields can be seen in hyponymy. [9]

  3. Concept search - Wikipedia

    en.wikipedia.org/wiki/Concept_search

    In general, information retrieval research and technology can be divided into two broad categories: semantic and statistical. Information retrieval systems that fall into the semantic category will attempt to implement some degree of syntactic and semantic analysis of the natural language text that a human user would provide (also see computational linguistics).

  4. Extensional and intensional definitions - Wikipedia

    en.wikipedia.org/wiki/Extensional_and_in...

    Definition by genus and difference, in which something is defined by first stating the broad category it belongs to and then distinguished by specific properties, is a type of intensional definition. As the name might suggest, this is the type of definition used in Linnaean taxonomy to categorize living things, but is by no means restricted to ...

  5. Web query - Wikipedia

    en.wikipedia.org/wiki/Web_query

    There are three broad categories that cover most web search queries: informational, navigational, and transactional. [1] These are also called "do, know, go." [2] Although this model of searching was not theoretically derived, the classification has been empirically validated with actual search engine queries. [3]

  6. Classification - Wikipedia

    en.wikipedia.org/wiki/Classification

    Classification is the activity of assigning objects to some pre-existing classes or categories. This is distinct from the task of establishing the classes themselves (for example through cluster analysis ). [ 1 ]

  7. Terminology of alternative medicine - Wikipedia

    en.wikipedia.org/wiki/Terminology_of_alternative...

    Among homeopaths and other alternative medicine advocates, the expression "allopathic medicine" is still used to refer to "the broad category of medical practice that is sometimes called Western medicine, biomedicine, evidence-based medicine, or modern medicine." [90]

  8. Hospitality industry - Wikipedia

    en.wikipedia.org/wiki/Hospitality_industry

    The hospitality industry is a broad category of fields within the service industry that includes lodging, food and beverage services, event planning, theme parks, travel agency, tourism, hotels, restaurants, nightclubs, and bars.

  9. Hierarchy - Wikipedia

    en.wikipedia.org/wiki/Hierarchy

    The mediaeval scala naturae as a staircase, implying the possibility of progress: [1] Ramon Llull's Ladder of Ascent and Descent of the Mind, 1305. A hierarchy (from Greek: ἱεραρχία, hierarkhia, 'rule of a high priest', from hierarkhes, 'president of sacred rites') is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or ...