Gastón Gonnet
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Gastón Gonnet
Gaston H. Gonnet is a Uruguayan Canadian computer scientist and entrepreneur. He is best known for his contributions to the Maple computer algebra system and the creation of a digital version of the Oxford English Dictionary. Education and early life Gonnet received his doctorate in computer science from the University of Waterloo in 1977. His thesis was entitled ''Interpolation and Interpolation-Hash Searching''. His advisor was J. Alan George. Career and research In 1980 Gonnet co-founded the Symbolic Computation Group at the University of Waterloo. The work of SCG on a general-purpose computer algebra system later formed the core of the Maple system. In 1988, Gonnet co-founded (with Keith Geddes) the private company Waterloo Maple Inc., to sell Maple commercially. In the mid 1990s the company ran into trouble and a disagreement between his colleagues caused him to withdraw from chairman of the Board and managerial involvement. In 1984 Gonnet co-founded the New Oxfor ...
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Montevideo
Montevideo () is the capital and largest city of Uruguay. According to the 2011 census, the city proper has a population of 1,319,108 (about one-third of the country's total population) in an area of . Montevideo is situated on the southern coast of the country, on the northeastern bank of the Río de la Plata. The city was established in 1724 by a Spanish soldier, Bruno Mauricio de Zabala, as a strategic move amidst the Spanish- Portuguese dispute over the platine region. It was also under brief British rule in 1807, but eventually the city was retaken by Spanish criollos who defeated the British invasions of the River Plate. Montevideo is the seat of the administrative headquarters of Mercosur and ALADI, Latin America's leading trade blocs, a position that entailed comparisons to the role of Brussels in Europe. The 2019 Mercer's report on quality of life, rated Montevideo first in Latin America, a rank the city has consistently held since 2005. , Montevideo was the 1 ...
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Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a comprehensive resource to scholars and academic researchers, as well as describing usage in its many variations throughout the world. Work began on the dictionary in 1857, but it was only in 1884 that it began to be published in unbound fascicles as work continued on the project, under the name of ''A New English Dictionary on Historical Principles; Founded Mainly on the Materials Collected by The Philological Society''. In 1895, the title ''The Oxford English Dictionary'' was first used unofficially on the covers of the series, and in 1928 the full dictionary was republished in 10 bound volumes. In 1933, the title ''The Oxford English Dictionary'' fully replaced the former name in all occurrences in its reprinting as 12 volumes with a one- ...
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List Of University Of Waterloo People
The University of Waterloo, located in Waterloo, Ontario, Canada, is a comprehensive public university that was founded in 1957 by Drs. Gerry Hagey and Ira G. Needles. It has grown into an institution of more than 42,000 students, faculty, and staff. The school is notable for being the first accredited university in North America to create a Faculty of Mathematics, which is now the world's largest, and to have the largest cooperative education program in the world. The school is also known for having more companies formed by its faculty, students, and alumni than any other Canadian university, and as such, the university has been called the "Silicon Valley of the North". The list is drawn from notable faculty, alumni, staff, and former university president A chancellor is a leader of a college or university, usually either the executive or ceremonial head of the university or of a university campus within a university system. In most Commonwealth and former Commonwealth ...
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Universidad De La República
The University of the Republic ( es, Universidad de la República, sometimes ''UdelaR'') is Uruguay's oldest public university. It is by far the country's largest university, as well as the second largest public university in South America and the world's 57th largest by enrollment, with a student body of 137,757 undergraduate students in 2018 and 6,351 postgraduate students in 2012. It was founded on 18 July 1849 in Montevideo, where most of its buildings and facilities are still located. Its current rector is Rodrigo Arim. History The process of founding the country's public university began on 11 June 1833, when a law proposed by then-Senator Dámaso Antonio Larrañaga was passed. It called for the creation of nine academic departments; the President of the Republic would pass a decree formally creating the departments once the majority of them were in operation. In 1836 the House of General Studies was formed, housing the departments of Latin, philosophy, mathematics, the ...
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ACM Richard D
ACM or A.C.M. may refer to: Aviation * AGM-129 ACM, 1990–2012 USAF cruise missile * Air chief marshal * Air combat manoeuvring or dogfighting * Air cycle machine * Arica Airport (Colombia) (IATA: ACM), in Arica, Amazonas, Colombia Computing * Abstract Control Model, for USB to act as a serial port * Association for Computing Machinery, a US-based international learned society for computing * Asynchronous communication mechanism * Audio Compression Manager, Microsoft Windows codec manager Education * Allegany College of Maryland * Associated Colleges of the Midwest * Association for College Management Music * Academy of Contemporary Music, in Guildford, England, UK * Academy of Country Music * Association for Contemporary Music, in the Russian Federation Organizations or businesses * Alliance for Community Media * American Center for Mobility * American Ceylon Mission * Anaconda Copper Mining Company * Anti-Coalition Militia, anti-NATO Taliban in Afghanistan * Anti-cul ...
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Orthologous MAtrix
OMA (Orthologous MAtrix) is a database of orthologs extracted from available complete genomes. The orthology predictions of OMA are available in several forms: * OMA Pairs: for a given gene, a list of predicted orthologs in other species is provided. * OMA Groups: a set of genes across different species which are all orthologous. * OMA Hierarchical Groups: the set of all genes that have evolved from a single ancestral gene in a given taxonomic range. * OMA Genome Pair view: the list of all predicted orthologs between two species. See also * Homology (biology) * OrthoDB * TreeFam TreeFam (Tree families database) is a database of phylogenetic trees of animal genes. It aims at developing a curated resource that gives reliable information about ortholog and paralog assignments, and evolutionary history of various gene families. ... References Genetics databases Evolutionary biology Phylogenetics {{Biodatabase-stub ...
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Darwin (programming Language)
Darwin is a closed source programming language developed by Gaston Gonnet and colleagues at ETH Zurich. It is used to develop the OMA orthology inference software, which was also initially developed by Gonnet. The language backend consists of the kernel, responsible for performing simple mathematical calculations, for transporting and storing data and for interpreting the user's commands, and the library, a set of programs which can perform more complicated calculations. The target audience for the language is the biosciences, so the library consisted of routines such as those to compute pairwise alignments, phylogenetic trees, multiple sequence alignments, and to make secondary structure predictions. Example Code One would write the Hello World program as: printf('Hello, world!\n'); The following procedure calculates the factorial of a number: factorial := proc ( n ) if (n=0) then return(1); else return(n * factorial(n-1)); fi; end: See also * List of progr ...
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Open Text Corporation
OpenText Corporation (also written ''opentext'') is a Canadian company that develops and sells enterprise information management (EIM) software. OpenText, headquartered in Waterloo, Ontario, Canada, is Canada's fourth-largest software company as of 2022, and recognized as one of Canada's top 100 employers 2016 by Mediacorp Canada Inc. OpenText software applications manage content or unstructured data for large companies, government agencies, and professional service firms. OpenText aims its products at addressing information management requirements, including management of large volumes of content, compliance with regulatory requirements, and mobile and online experience management. OpenText employs over 16,000 people worldwide, and is a publicly traded company, listed on the NASDAQ (OTEX) and the Toronto Stock Exchange (OTEX). History Timothy Bray, with University of Waterloo professors Frank Tompa and Gaston Gonnet, founded OpenText Corporation in 1991. It grew out of Ope ...
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Suffix Array
In computer science, a suffix array is a sorted array of all suffixes of a string. It is a data structure used in, among others, full-text indices, data-compression algorithms, and the field of bibliometrics. Suffix arrays were introduced by as a simple, space efficient alternative to suffix trees. They had independently been discovered by Gaston Gonnet in 1987 under the name ''PAT array'' . gave the first in-place \mathcal(n) time suffix array construction algorithm that is optimal both in time and space, where ''in-place'' means that the algorithm only needs \mathcal(1) additional space beyond the input string and the output suffix array. Enhanced suffix arrays (ESAs) are suffix arrays with additional tables that reproduce the full functionality of suffix trees preserving the same time and memory complexity. The suffix array for a subset of all suffixes of a string is called sparse suffix array. Multiple probabilistic algorithms have been developed to minimize the addit ...
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Oxford University Press
Oxford University Press (OUP) is the university press of the University of Oxford. It is the largest university press in the world, and its printing history dates back to the 1480s. Having been officially granted the legal right to print books by decree in 1586, it is the second oldest university press after Cambridge University Press. It is a department of the University of Oxford and is governed by a group of 15 academics known as the Delegates of the Press, who are appointed by the vice-chancellor of the University of Oxford. The Delegates of the Press are led by the Secretary to the Delegates, who serves as OUP's chief executive and as its major representative on other university bodies. Oxford University Press has had a similar governance structure since the 17th century. The press is located on Walton Street, Oxford, opposite Somerville College, in the inner suburb of Jericho. For the last 500 years, OUP has primarily focused on the publication of pedagogical texts an ...
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Waterloo Maple
Waterloo Maple Inc. is a Canadian software company, headquartered in Waterloo, Ontario. It operates under the trade name Maplesoft. It is best known as the manufacturer of the Maple computer algebra system, and MapleSim physical modeling and simulation software. Corporate history Waterloo Maple Inc. was first incorporated under the name Waterloo Maple Software in April 1988 by Keith Geddes and Gaston Gonnet, who were both then professors in the Symbolic Computation Group, a part of the computer science department (now the David R. Cheriton School of Computer Science) at the University of Waterloo. Tim Bray served as the part-time CEO of Waterloo Maple Inc. from 1989-1990. During this period he claims in his resume that he helped save the company from one close encounter with bankruptcy by "instituting financial discipline". Gonnet left the company in 1994 after a failed attempt to purchase a controlling stake despite already owning 30% of the shares, and following protract ...
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