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Selections
Selection may refer to: Science * Selection (biology), also called natural selection, selection in evolution ** Sex selection, in genetics ** Mate selection, in mating ** Sexual selection in humans, in human sexuality ** Human mating strategies, in human sexuality * Social selection, within social groups * Selection (linguistics), the ability of predicates to determine the semantic content of their arguments * Selection in schools, the admission of students on the basis of selective criteria * Selection effect, a distortion of data arising from the way that the data are collected * A selection, or choice function, a function that selects an element from a set Religion * Divine selection, selection by God * Papal selection, selection by clergy Computing * Selection (user interface) ** X Window selection * Selection (evolutionary algorithm) * Selection (relational algebra) * Selection-based search, a search engine system in which the user invokes a search query u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (biology)
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the Heredity, heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with selective breeding, artificial selection, which is intentional, whereas natural selection is not. Genetic diversity, Variation of traits, both Genotype, genotypic and phenotypic, exists within all populations of organisms. However, some traits are more likely to facilitate survival and reproductive success. Thus, these traits are passed the next generation. These traits can also become more Allele frequency, common within a population if the environment that favours these traits remains fixed. If new traits become more favoured due to changes in a specific Ecological niche, niche, microevolution occurs. If new traits become more favoured due to changes in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (evolutionary Algorithm)
Selection is a genetic operator in an evolutionary algorithm (EA). An EA is a metaheuristic inspired by biological evolution and aims to solve challenging problems at least approximately. Selection has a dual purpose: on the one hand, it can choose individual genomes from a population for subsequent breeding (e.g., using the crossover operator). In addition, selection mechanisms are also used to choose candidate solutions (individuals) for the next generation. The biological model is natural selection. Retaining the best individual(s) of one generation unchanged in the next generation is called ''elitism'' or ''elitist selection''. It is a successful (slight) variant of the general process of constructing a new population. The basis for selection is the quality of an individual, which is determined by the fitness function. In memetic algorithms, an extension of EA, selection also takes place in the selection of those offspring that are to be improved with the help of a meme ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metro Inc
Metro Inc. is a Canadian supermarket chain operating in the provinces of Quebec and Ontario. The company is based in Montreal, Montreal, Quebec, with head office at 11011 Boulevard Maurice-Duplessis. Metro is the third-largest grocer in Canada, after Loblaw Companies, Loblaw Companies Limited and Sobeys. Super C (supermarket), Super C is the discount supermarket division operated in Quebec with 106 stores, averaging . In Ontario, Metro has 144 discount supermarkets under the Food Basics banner, which are very similar to the Super C stores. Large Metro stores in Quebec operate under the Metro Plus name. Metro also operates 51 groceries stores under the Marché Richelieu banner. In November 2007, Metro reported a 9.3% increase in earnings for the fiscal year ending September 29, 2007, making $276.6 million in 2007 compared to $253 million in 2006. In 2011 Metro acquired a majority stake (55.5%) (CAD$153.8 million) in Marché Adonis, one of Quebec's biggest ethnic food retailers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Selection
''The Selection'' is a young adult novel by Kiera Cass first published on April 14, 2012, by HarperCollins. It is the first in a five-book series, followed by '' The Elite'' (2013), ''The One'' (2014), ''The Heir'' (2015) and ''The Crown'' (May 2016). The last two take place twenty years after the events in the first three. In addition, four spin-off novellas were released. The first two, ''The Prince'' and ''The Guard'', are narrated from the point of view of two supporting characters. ''The Queen'' and ''The Favorite'' are prequels, focusing on two other supporting characters in the main series. All four novellas were collected into one volume ''Happily Ever After'', including bonus content and epilogues. Kiera Cass stated that she began writing ''The Selection'' after thinking about the differences between Esther and Cinderella, wondering if either of them were happy with how they ended up. She also commented that she had written the book "from start to finish", while her wr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (Nazi Concentration Camps)
"Selection" (German language, German: ') is the name given to the process of designating inmates either for murder or Forced labour under German rule during World War II, forced labor at a Nazi concentration camps, Nazi concentration camp. The arrival selection was first a separation by sex, and then a separation into either fit or unfit for work, as determined by a soldier, bureaucrat or doctor after a visual inspection or perhaps a question or two. Children under 16 (later 14), the elderly, women visibly pregnant, mothers who would not leave their children, the disabled, or anyone visibly weak or ill, were ineligible for "selection" and were immediately murdered. In addition to the initial selection upon arrival, subsequent selections would occur at subsequent prisoner counts, the , or in the , the camp barracks. The selection officers were nominally looking for healthier, stronger laborers, but according to historian Jan Erik Schulte, camp guards and administrators were given ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (album)
54-40 (often stylized 54•40) is a Canadian rock band from Tsawwassen, Delta, British Columbia. The band take their name from the slogan "54-40 or Fight!", coined to express the unsuccessful expansionist agenda of James K. Polk's presidency, which was intent upon controlling a contested U.S.-Canada border area in the Oregon boundary dispute. 54-40 has had a successful career, with four of their albums being certified platinum in Canada. The band has been nominated for eight Juno Awards. Between 1996 and 2016, 54-40 were among the top 150 best-selling Canadian artists in Canada and among the top 50 best-selling Canadian bands in Canada. History Neil Osborne and Brad Merritt met in 1978 at South Delta High School in Tsawwassen, British Columbia. After studying at the Berklee College of Music in Boston, Osborne returned home and formed the band 54-40 with Merritt and drummer Ian Franey. The band played their first gig in Coquitlam on December 8, 1980, the night John Lennon was k ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selected (album)
''Selected'' is the first compilation album released by the British musical project Recoil, fronted by Alan Wilder, released on April 19, 2010. The album features an eclectic mixture of vocalists including Diamanda Galás, Joe Richardson, Douglas McCarthy, Samantha Coerbell, Siobhan Lynch, Toni Halliday, Nicole Blackman, Maggie Estep and Carla Trevaskis. The tracks on ''Selected'' were chosen by Wilder who explained that the collection was made up of "his personal favourites, remastered and edited together into what I consider a cohesive and total listening experience." The tracks have been edited, where appropriate, by Wilder and Paul Kendall and re-mastered with Simon Heyworth at the Super Audio Mastering. The album is available as a single CD, double CD with new remixes and alternative versions, chosen and edited together by Wilder and Paul Kendall, a limited edition 4-vinyl box, plus a limited edition deluxe 4-disc box set. The artwork for ''Selected'' was designed by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (Australian History)
Selection is the act of choosing and acquiring a subdivided tract of land for farming purposes in Australia. A selection is also descriptive of the plot of land that was selected. The term derived from "free selection before survey" of crown land in some Australian colonies under land legislation introduced in the 1860s. These acts were intended to encourage closer settlement, based on intensive agriculture, such as wheat-growing, rather than extensive agriculture, such as wool production. Selectors often came into conflict with squatters, who already occupied the land and often managed to circumvent the law. New South Wales The Robertson Land Acts allowed those with limited means to acquire land. With the stated intention of encouraging closer settlement and fairer allocation of land by allowing 'free selection before survey', the Land Acts legislation was passed in 1861. The relevant acts were named the ''Crown Lands Alienation Act'' and ''Crown Lands Occupation Act''. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Preselection
Preselection is the process by which a candidate is selected, usually by a political party, to contest an election for political office. It is also referred to as candidate selection. It is a fundamental function of political parties. The preselection process may involve the party's executive or leader selecting a candidate or be some contested process. In countries that adopt Westminster-style responsible government, preselection is also the first step on the path to a position in the executive. The selected candidate is commonly referred to as the party's endorsed candidate. Deselection or disendorsement is the opposite procedure, when the political party withdraws its support from one of its elected office-holders. The party may then select a replacement candidate at the subsequent election, or it may decide (or be compelled by the electoral timetable) to forgo contesting that seat (for example, the Liberal Party of Australia after Pauline Hanson was disendorsed just before ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection Algorithm
In computer science, a selection algorithm is an algorithm for finding the kth smallest value in a collection of ordered values, such as numbers. The value that it finds is called the order statistic. Selection includes as special cases the problems of finding the minimum, median, and maximum element in the collection. Selection algorithms include quickselect, and the median of medians algorithm. When applied to a collection of n values, these algorithms take linear time, O(n) as expressed using big O notation. For data that is already structured, faster algorithms may be possible; as an extreme case, selection in an already-sorted array takes Problem statement An algorithm for the selection problem takes as input a collection of values, and a It outputs the smallest of these values, or, in some versions of the problem, a collection of the k smallest values. For this to be well-defined, it should be possible to sort the values into an order from smallest to largest; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection-based Search
A selection-based search system is a search engine system in which the user invokes a search query using only the mouse. A selection-based search system allows the user to search the internet for more information about any keyword or phrase contained within a document or webpage in any software application on their desktop computer using the mouse. Traditional browser-based search systems require the user to launch a web browser, navigate to a search page, type or paste a query into a search box, review a list of results, and click a hyperlink to view these results. Three characteristic features of a selection-based search system are that the user can invoke search using only their mouse from within the context of any application on their desktop (for example Microsoft Office, Adobe Reader, Mozilla Firefox, etc.), receive categorized suggestions which are based on the context of the user-selected text (or in some cases the wisdom of crowds), and view the results in floating i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selection (relational Algebra)
In relational algebra, a selection (sometimes called a restriction in reference to E.F. Codd's 1970 paper and ''not'', contrary to a popular belief, to avoid confusion with SQL's use of SELECT, since Codd's article predates the existence of SQL) is a unary operation that denotes a subset of a relation. A selection is written as \sigma_( R ) or \sigma_( R ) where: * and are attribute names * is a binary operation in the set \ * is a value constant * is a relation The selection \sigma_( R ) denotes all tuples in for which holds between the and the attribute. The selection \sigma_( R ) denotes all tuples in for which holds between the attribute and the value . For an example, consider the following tables where the first table gives the relation , the second table gives the result of \sigma_( \text ) and the third table gives the result of \sigma_( \text ). More formally the semantics of the selection is defined as follows: : \sigma_( R ) = \ : \sigma_( R ) = \ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
