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An oracle machine can perform all of the usual operations of a Turing machine, and can also query the oracle to obtain a solution to any instance of the computational problem for that oracle. For example, if the problem is a decision problem for a set A of natural numbers, the oracle machine supplies the oracle with a natural number, and the ...
A consistency oracle compares the results of one test execution to another for similarity. [16] This is another example of a derived test oracle. An oracle for a software program might be a second program that uses a different algorithm to evaluate the same mathematical expression as the product under test. This is an example of a pseudo-oracle ...
Eager execution is a form of speculative execution where both sides of the conditional branch are executed; however, the results are committed only if the predicate is true. With unlimited resources, eager execution (also known as oracle execution) would in theory provide the same performance as perfect branch prediction.
Lycurgus Consulting the Pythia (1835/1845), as imagined by Eugène Delacroix.. Pythia was the priestess presiding over the Oracle of Apollo at Delphi.There are more than 500 supposed oracular statements which have survived from various sources referring to the oracle at Delphi.
It was also applied successfully and with high accuracy in business forecasting. For example, in one case reported by Basu and Schroeder (1977), [20] the Delphi method predicted the sales of a new product during the first two years with inaccuracy of 3–4% compared with actual sales. Quantitative methods produced errors of 10–15%, and ...
Three years after the original suspect in a nearly 40-year-old double murder was exonerated based on DNA evidence and freed from prison after 20 years, a Georgia man has been arrested and charged ...
Imagine a world where every algorithm is allowed to make queries to some fixed subroutine called an oracle (which can answer a fixed set of questions in constant time, such as an oracle that solves any traveling salesman problem in 1 step), and the running time of the oracle is not counted against the running time of the algorithm. Most proofs ...
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