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Hans Peter Luhn
Hans Peter Luhn (July 1, 1896 – August 19, 1964) was a German 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. Life Luhn was born in Barmen, Germany (now part of Wuppertal) on July 1, 1896. After he completed secondary school, Luhn moved to Switzerland to learn the printing trade so he could join the family business. His career in printing was halted by his service as a communications officer in the German Army during World War I. After the war, Luhn entered the textile field, which eventually led him to the United States, where he invented a thread-counting gauge (the Lunometer) still on the market. From the late twenties to the early forties ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barmen
Barmen is a former industrial metropolis of the region of Bergisches Land, Germany, which merged with four other towns in 1929 to form the city of Wuppertal. Barmen, together with the neighbouring town of Elberfeld founded the first electric suspended monorail tramway system, the Schwebebahn ''floating tram''. History Barmen was a pioneering centre for both the early industrial revolution on the European mainland, and for the socialist movement and its theory. It was the location of one of the first concentration camps in Nazi Germany, KZ Wuppertal-Barmen, later better known as Kemna concentration camp. Oberbarmen (Upper Barmen) is the eastern part of Barmen, and Unterbarmen (Lower Barmen) the western part. One of its claims to fame is the fact that Friedrich Engels, co-author of ''The Communist Manifesto'', was born in Barmen. Another of its claims is the fact that Bayer AG was founded there by Friedrich Bayer and master dyer Johann Friedrich Weskott with the express pur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Full-text Processing
In text retrieval, full-text search refers to techniques for searching a single computer-stored document or a collection in a full-text database. Full-text search is distinguished from searches based on metadata or on parts of the original texts represented in databases (such as titles, abstracts, selected sections, or bibliographical references). In a full-text search, a search engine examines all of the words in every stored document as it tries to match search criteria (for example, text specified by a user). Full-text-searching techniques became common in online bibliographic databases in the 1990s. Many websites and application programs (such as word processing software) provide full-text-search capabilities. Some web search engines, such as AltaVista, employ full-text-search techniques, while others index only a portion of the web pages examined by their indexing systems. Indexing When dealing with a small number of documents, it is possible for the full-text-search engine t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1964 Deaths
Events January * January 1 – The Federation of Rhodesia and Nyasaland is dissolved. * January 5 - In the first meeting between leaders of the Roman Catholic and Orthodox churches since the fifteenth century, Pope Paul VI and Patriarch Athenagoras I of Constantinople meet in Jerusalem. * January 6 – A British firm, the Leyland Motors, Leyland Motor Corp., announces the sale of 450 buses to the Cuban government, challenging the United States blockade of Cuba. * January 9 – ''Martyrs' Day (Panama), Martyrs' Day'': Armed clashes between United States troops and Panamanian civilians in the Panama Canal Zone precipitate a major international crisis, resulting in the deaths of 21 Panamanians and 4 U.S. soldiers. * January 11 – United States Surgeon General Luther Terry reports that smoking may be hazardous to one's health (the first such statement from the U.S. government). * January 12 ** Zanzibar Revolution: The predominantly Arab government of Zanzibar is overthrown b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1896 Births
Events January–March * January 2 – The Jameson Raid comes to an end, as Jameson surrenders to the Boers. * January 4 – Utah is admitted as the 45th U.S. state. * January 5 – An Austrian newspaper reports that Wilhelm Röntgen has discovered a type of radiation (later known as X-rays). * January 6 – Cecil Rhodes is forced to resign as Prime Minister of the Cape of Good Hope, for his involvement in the Jameson Raid. * January 7 – American culinary expert Fannie Farmer publishes her first cookbook. * January 12 – H. L. Smith takes the first X-ray photograph. * January 17 – Fourth Anglo-Ashanti War: British redcoats enter the Ashanti capital, Kumasi, and Asantehene Agyeman Prempeh I is deposed. * January 18 – The X-ray machine is exhibited for the first time. * January 28 – Walter Arnold, of East Peckham, Kent, England, is fined 1 shilling for speeding at (exceeding the contemporary speed limit of , the first spee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cabinet Magazine
''Cabinet Magazine'' is a quarterly, Brooklyn, New York-based, non-profit art and culture magazine established in 2000. ''Cabinet Magazine'' also operates an event and exhibition space in Brooklyn. In 2022, ''Cabinet'' transitioned its magazine to be a digital publication, although it still publishes print books. Issue structure ''Cabinet Magazine'' issues are divided into three sections. Section 1: Columns Each issue begins with four of the magazine's recurring columns. Some columns have (or have had) recurring writers. Some columns appear more frequently than others: * "The Clean Room" is David Serlin's column on science and technology. (First appearance: issue 1.) * "Colors", which appears in every issue, presents a writer or artist's response to a specific color assigned by the editors. (First appearance: issue 1.) * "Ingestion", a column originated by Allen S. Weiss, explores food within a framework informed by aesthetics, history, and philosophy. (First appearance: issue ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Business Intelligence
Business intelligence (BI) comprises the strategies and technologies used by enterprises for the data analysis and management of business information. Common functions of business intelligence technologies include reporting, online analytical processing, analytics, dashboard development, data mining, process mining, complex event processing, business performance management, benchmarking, text mining, predictive analytics, and prescriptive analytics. BI tools can handle large amounts of structured and sometimes unstructured data to help identify, develop, and otherwise create new strategic business opportunities. They aim to allow for the easy interpretation of these big data. Identifying new opportunities and implementing an effective strategy based on insights can provide businesses with a competitive market advantage and long-term stability, and help them take strategic decisions. Business intelligence can be used by enterprises to support a wide range of business decisi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryptography
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, information security, electrical engineering, digital signal processing, physics, and others. Core concepts related to information security ( data confidentiality, data integrity, authentication, and non-repudiation) are also central to cryptography. Practical applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synonymo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cloud Service
Cloud computing is the on-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user. Large clouds often have functions distributed over multiple locations, each of which is a data center. Cloud computing relies on sharing of resources to achieve coherence and typically uses a "pay as you go" model, which can help in reducing capital expenses but may also lead to unexpected operating expenses for users. Value proposition Advocates of public and hybrid clouds claim that cloud computing allows companies to avoid or minimize up-front IT infrastructure costs. Proponents also claim that cloud computing allows enterprises to get their applications up and running faster, with improved manageability and less maintenance, and that it enables IT teams to more rapidly adjust resources to meet fluctuating and unpredictable demand, providing burst computing capability: high computing power ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selective Dissemination Of Information
Selective dissemination of information ("SDI") was originally a phrase related to library and information science. SDI refers to tools and resources used to keep a user informed of new resources on specified topics, including the current-awareness services used to inform about new library acquisitions.{{cite web, url=https://www.britannica.com/topic/library/User-services#ref62059, title=Library: User services, author=Britannica SDI services pre-date the World Wide Web, and the term itself is somewhat dated. Contemporary analogous systems for SDI services include alerts, current awareness tools or trackers. These systems provide automated searches that inform the user of the availability of new resources meeting the user's specified keywords and search parameters. Alerts can be received a number of ways, including email, RSS feeds, voice mail, Instant messaging, and text messaging. Selective dissemination of information was a concept first described by Hans Peter Luhn of IBM in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Automatic Abstracting
Automatic may refer to: Music Bands * Automatic (band), Australian rock band * Automatic (American band), American rock band * The Automatic, a Welsh alternative rock band Albums * ''Automatic'' (Jack Bruce album), a 1983 electronic rock album * ''Automatic'' (Sharpe & Numan album), a 1989 synthpop album * ''Automatic'' (The Jesus and Mary Chain album), a 1989 alternative rock album * ''Automatic'', a 1997 electronic album by Le Car * ''Automatic'' (Dweezil Zappa album), a 2000 hard rock album, or the title song * ''Automatic'', a 2003 punk rock album by The Turbo A.C.'s * ''Automatic'' (Stitches album), a 2006 punk rock album, or the title song * ''Automatic'' (VNV Nation album), a 2011 futurepop album * ''Automatic'', a 2013 reggae-rock album by Iration * ''Automatic'' (Don Broco album), a 2015 rock album * ''Automatic'' (Kaskade album), 2015 album by Kaskade * ''Automatic'' (Mildlife album), 2020 album by Mildlife Songs * "Automatic" (Danny Fernandes song), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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