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Coffman et al. worked with a definition of the objective of a Web crawler that is equivalent to freshness, but use a different wording: they propose that a crawler must minimize the fraction of time pages remain outdated. They also noted that the problem of Web crawling can be modeled as a multiple-queue, single-server polling system, on which ...
Crawler (BEAM) in robotics; A type of crane on tracks "Crawlers" (Into the Dark), an episode of the second season of Into the Dark; The Crawler, an episode of the cartoon Extreme Ghostbusters; Crawler, an album by IDLES; Crawler (band), a British rock band; Crawlers (band), a British rock band; A fictional creature in the video game Fable III
Crawler, or spider type search engines (a.k.a. real-time search engines) may collect and assess items at the time of the search query, dynamically considering additional items based on the contents of a starting item (known as a seed, or seed URL in the case of an Internet crawler).
An example of a television news ticker, at the very bottom of the screen. News ticker on a building in Sydney, Australia. A news ticker (sometimes called a crawler, crawl, slide, zipper, ticker tape, or chyron) is a horizontal or vertical (depending on a language's writing system) text-based display either in the form of a graphic that typically resides in the lower third of the screen space ...
A bulldozer or dozer (also called a crawler) is a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work. It travels most commonly on continuous tracks , though specialized models riding on large off-road tires are also produced.
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One of the first "all text" crawler-based search engines was WebCrawler, which came out in 1994. Unlike its predecessors, it allowed users to search for any word in any web page, which has become the standard for all major search engines since. It was also the search engine that was widely known by the public.
a notional source of unexpected or illogical questions, ideas, etc. ("that proposal came out of left field") [585] Defined by the Merriam-Webster online American dictionary as having American baseball-related origins [586] (the) Lower 48 used mainly by Alaskans, this is a colloquialism for the 48 Contiguous United States.