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Perplexity is sometimes used as a measure of the difficulty of a prediction problem. It is, however, generally not a straight forward representation of the relevant probability. For example, if you have two choices, one with probability 0.9, your chances of a correct guess using the optimal strategy are 90 percent.
Perplexity AI is a conversational search engine that uses large language models (LLMs) to answer queries using sources from the web and cites links within the text response. [ 3 ] [ 4 ] Its developer, Perplexity AI, Inc., is based in San Francisco, California .
Perplexity is a measurement of how well a probability distribution or probability model predicts a sample. Perplexity may also refer to: Perplexity, a 1990 video game; Perplex City, an alternate reality game (ARG) Perplexity AI, a conversational search engine
IMDb (an initialism for Internet Movie Database) [2] is an online database of information related to films, television series, podcasts, home videos, video games, and streaming content online – including cast, production crew and personal biographies, plot summaries, trivia, ratings, and fan and critical reviews.
Acorn Electron screenshot. The top of the screen is using the display to store game data to fit the game into the Electron's limited memory. Perplexity is an isometric pseudo 3D maze game which graphically resembles the 1987 arcade game Pac-Mania (both the maze view and main characters) but while it does share some gameplay elements, the game is a much more calm and organised playing ...
Perplex City (wordplay on the term "perplexity") was an alternate reality game (ARG) created by Mind Candy, a London-based developer in 2005. [1] Adrian Hon was the producer, designer and director of the game's first and only completed season, in which players searched for "The Receda Cube" (also known as "The Cube"), an artifact of spiritual significance to the inhabitants of a fictional ...
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The inverse of the perplexity (which, in the case of the fair k-sided die, represents the probability of guessing correctly), is 1/1.38 = 0.72, not 0.9. This seems barmy to me. Inverse perplexity seems like a crazy thing. Perplexity is kind of like average list length in an underspecified input system. Inverse list length WTF?