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  2. Ranked society - Wikipedia

    en.wikipedia.org/wiki/Ranked_society

    A ranked society in anthropology is one that ranks individuals in terms of their genealogical distance from the chief. Another term for a "ranked society" is a chiefdom. Closer relatives of the chief have higher rank or social status than more distant ones. Societies which follow this kind of structure associate rank with power, where other ...

  3. Learning to rank - Wikipedia

    en.wikipedia.org/wiki/Learning_to_rank

    In this case, the learning-to-rank problem is approximated by a classification problem — learning a binary classifier (,) that can tell which document is better in a given pair of documents. The classifier shall take two documents as its input and the goal is to minimize a loss function L ( h ; x u , x v , y u , v ) {\displaystyle L(h;x_{u},x ...

  4. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    In March 2023, Quizlet started to incorporate AI features with the release "Q-Chat", a virtual AI tutor powered by OpenAI's ChatGPT API. [24] [25] [26] Quizlet launched four additional AI powered features in August 2023 to assist with student learning. [27] [28] In July 2024, Kurt Beidler, the former co-CEO of Zwift, joined Quizlet as the new ...

  5. Dominance hierarchy - Wikipedia

    en.wikipedia.org/wiki/Dominance_hierarchy

    A high-ranking male mandrill advertises his status with bright facial coloration. [1]In the zoological field of ethology, a dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social groups interact, creating a ranking system.

  6. Nash's Pyramid - Wikipedia

    en.wikipedia.org/wiki/Nash's_Pyramid

    Nash's Pyramid is a framework for ranking leisure activities, developed by Jay B. Nash. Nash was an early leader in the leisure field. His thinking was influenced by the prevalence of 'Spectatoritis' in America which he defines as, "a blanket description to cover all kinds of passive amusement".

  7. Merit system - Wikipedia

    en.wikipedia.org/wiki/Merit_system

    Prospective officials could come from a rural background and government positions were not restricted to the nobility. Rank was determined by merit, through the civil service examinations, and education became the key for social mobility. [2] After the fall of the Han Dynasty, the nine-rank system was established during the Three Kingdoms ...

  8. Social class in ancient Rome - Wikipedia

    en.wikipedia.org/wiki/Social_class_in_ancient_Rome

    Example of higher class Roman men. Social class in ancient Rome was hierarchical, with multiple and overlapping social hierarchies. An individual's relative position in one might be higher or lower than in another, which complicated the social composition of Rome. [1] The status of freeborn Romans during the Republic was established by:

  9. Rising from the ranks - Wikipedia

    en.wikipedia.org/wiki/Rising_from_the_ranks

    Rising from the ranks, through the ranks or commissioned from the ranks refers to enlisted soldiers being commissioned as officers. In class-conscious societies of the past, such as Britain during the Napoleonic Wars , for example, this was a relatively rare occurrence.

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