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Hans Peter Luhn information


Hans Peter Luhn
Born(1896-07-01)1 July 1896
Barmen, German Empire
Died19 August 1964(1964-08-19) (aged 68)
Armonk, New York, U.S.[1]
NationalityAmerican
Known forKWIC
Scientific career
FieldsComputer science
InstitutionsIBM

Hans Peter Luhn (July 1, 1896 – August 19, 1964) was an American researcher in the field of computer science and Library & Information Science for IBM, and creator of the Luhn algorithm, KWIC (Key Words In Context) indexing, and selective dissemination of information ("SDI"). His inventions have found applications in diverse areas like computer science, the textile industry, linguistics, and information science. He was awarded over 80 patents.

  1. ^ "HANS PETER LUHN, MENTOR, 68, DIES; Data‐Processing Specialist Served I.B.M. 20 Years". The New York Times. New York Times. 20 August 1964. p. 29. Retrieved 16 December 2019.

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Hans Peter Luhn

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Hans Peter Luhn (July 1, 1896 – August 19, 1964) was an American researcher in the field of computer science and Library & Information Science for IBM...

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Luhn algorithm

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The Luhn algorithm or Luhn formula, also known as the "modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a...

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Stop word

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prepositions and conjunctions which are similar to modern stop words. Hans Peter Luhn, one of the pioneers in information retrieval, is credited with coining...

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Information retrieval

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Information, 1958 (National Academy of Sciences, Washington, DC, 1959) 1959: Hans Peter Luhn published "Auto-encoding of documents for information retrieval". 1960s:...

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Key Word in Context

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most common format for concordance lines. The term KWIC was coined by Hans Peter Luhn. The system was based on a concept called keyword in titles, which...

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Sentence extraction

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many techniques used today have been published by Hans Peter Luhn in 1958 and H. P Edmundson in 1969. Luhn proposed to assign more weight to sentences at...

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Selective dissemination of information

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Selective dissemination of information was a concept first described by Hans Peter Luhn of IBM in the 1950s. Software was developed in many companies and in...

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Linear probing

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hash tables were not described until 1953, in an IBM memorandum by Hans Peter Luhn. Luhn used a different collision resolution method, chaining, rather than...

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Herbert Marvin Ohlman

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Washington, DC. The paper was accepted by the chairman of Section 5, Hans Peter Luhn. At the conference, Ohlman saw the "perfect way to demonstrate the...

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Hash function

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for the precise origin of the term, Donald Knuth notes that, while Hans Peter Luhn of IBM appears to have been the first to use the concept of a hash...

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1954 in science

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(Oxford University Press). January 6 – The Luhn algorithm, devised by IBM information scientist Hans Peter Luhn, is described in a United States patent....

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List of programmers

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Complex event processing, Rational Software cofounder (Ada compiler) Hans Peter Luhn – hash-coding, linked list, searching and sorting binary tree Khaled...

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Slide rule

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real numbersPages displaying short descriptions of redirect targets Hans Peter Luhn – American computer scientist Nomogram – Analog graphical calculator...

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Wuppertal

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middle-distance runner Hans Knappertsbusch (1888–1965), orchestra conductor Peter Kowald (1944–2002), free jazz musician Hans Peter Luhn (1896–1964), computer...

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Randomized algorithm

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structures is the hash table, which was introduced in 1953 by Hans Peter Luhn at IBM. Luhn's hash table used chaining to resolve collisions and was also...

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Barmen

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(1896–1955), politician (CDU) Hans Peter Luhn (1896–1964), researcher in the field of computer science and creator of the Luhn algorithm Martin Blank (1897–1972)...

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Business intelligence

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retrieved, Devens says, is central to business intelligence. When Hans Peter Luhn, a researcher at IBM, used the term business intelligence in an article...

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Linked list

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[citation needed] Another early appearance of linked lists was by Hans Peter Luhn who wrote an internal IBM memorandum in January 1953 that suggested...

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Hash table

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hashing arose independently in different places. In January 1953, Hans Peter Luhn wrote an internal IBM memorandum that used hashing with chaining. The...

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Bibliometrics

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key concepts of computing research retrieval. In 1957, IBM engineer Hans Peter Luhn introduced an influential paradigm of statistical-based analysis of...

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Automatic summarization

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similarity metrics. The first publication in the area dates back to 1957 (Hans Peter Luhn), starting with a statistical technique. Research increased significantly...

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August 1964

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Australian Football League star; in Dublin Died: Hans Peter Luhn, 68, German computer scientist who invented the Luhn algorithm and the Key Word in Context (KWIC)...

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Library and information scientist

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Frederick Kilgour David A. Kronick Frederick Wilfrid Lancaster Peter Johan Lor Hans Peter Luhn Clifford Lynch Mary Niles Maack Gary Marchionini Kathleen de...

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August 1960

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were adjourned indefinitely. Hans Peter Luhn received U.S. Patent No 2,950,048 for "computer for verifying numbers", the Luhn algorithm. Assigned to the...

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Andrea Crestadoro

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system was developed many years later as Key Word in Context (KWIC) by Hans Peter Luhn and was used in early computer based indexing. Crestadoro was an acquaintance...

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