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The specific name perplexum refers to the "perplexity of botanists" concerned with the taxon known as Desmodium dillenii Darl. [8] As "the least clearly understood species of the genus", Schubert declared Desmodium dillenii to be a nomen confusum (i.e., a "confusing name") and then attempted to resolve the confusion by splitting the taxon into ...
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
The lowest perplexity that had been published on the Brown Corpus (1 million words of American English of varying topics and genres) as of 1992 is indeed about 247 per word/token, corresponding to a cross-entropy of log 2 247 = 7.95 bits per word or 1.75 bits per letter [5] using a trigram model. While this figure represented the state of the ...
Perplexity AI, meanwhile, says it is attracting "top-tier" advertisers. Google is facing a challenge to its decadeslong dominance of the internet's advertising market as AI, the new kid on the ...
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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 .
(Reuters) -Media baron Rupert Murdoch's Dow Jones and New York Post filed a lawsuit against Perplexity AI on Monday, claiming the artificial intelligence startup engages in a "massive amount of ...