Tuple Space
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Tuple Space
A tuple space is an implementation of the associative memory paradigm for parallel/distributed computing. It provides a repository of tuples that can be accessed concurrently. As an illustrative example, consider that there are a group of processors that produce pieces of data and a group of processors that use the data. Producers post their data as tuples in the space, and the consumers then retrieve data from the space that match a certain pattern. This is also known as the blackboard metaphor. Tuple space may be thought as a form of distributed shared memory. Tuple spaces were the theoretical underpinning of the Linda language developed by David Gelernter and Nicholas Carriero at Yale University in 1986. Implementations of tuple spaces have also been developed for Java (JavaSpaces), Lisp, Lua, Prolog, Python, Ruby, Smalltalk, Tcl, and the .NET Framework. Object Spaces Object Spaces is a paradigm for development of distributed computing applications. It is characterized by t ...
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Content-addressable Memory
Content-addressable memory (CAM) is a special type of computer memory used in certain very-high-speed searching applications. It is also known as associative memory or associative storage and compares input search data against a table of stored data, and returns the address of matching data. CAM is frequently used in networking devices where it speeds up forwarding information base and routing table operations. This kind of associative memory is also used in cache memory. In associative cache memory, both address and content is stored side by side. When the address matches, the corresponding content is fetched from cache memory. History Dudley Allen Buck invented the concept of content-addressable memory in 1955. Buck is credited with the idea of ''recognition unit''. Hardware associative array Unlike standard computer memory, random-access memory (RAM), in which the user supplies a memory address and the RAM returns the data word stored at that address, a CAM is designed such ...
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Paradigm
In science and philosophy, a paradigm () is a distinct set of concepts or thought patterns, including theories, research methods, postulates, and standards for what constitute legitimate contributions to a field. Etymology ''Paradigm'' comes from Greek παράδειγμα (''paradeigma''), "pattern, example, sample" from the verb παραδείκνυμι (''paradeiknumi''), "exhibit, represent, expose" and that from παρά (''para''), "beside, beyond" and δείκνυμι (''deiknumi''), "to show, to point out". In classical (Greek-based) rhetoric, a paradeigma aims to provide an audience with an illustration of a similar occurrence. This illustration is not meant to take the audience to a conclusion, however it is used to help guide them get there. One way of how a ''paradeigma'' is meant to guide an audience would be exemplified by the role of a personal accountant. It is not the job of a personal accountant to tell a client exactly what (and what not) to spend money on ...
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Ken Arnold
Kenneth Cutts Richard Cabot Arnold (born 1958) is an American computer programmer well known as one of the developers of the 1980s dungeon-crawling video game '' Rogue'', for his contributions to the original Berkeley (BSD) distribution of Unix, for his books and articles about C and C++ (e.g. his 1980s–1990s ''Unix Review'' column, "''The C Advisor''"), and his high-profile work on the Java platform. At Berkeley Arnold attended the University of California, Berkeley, after having worked at Lawrence Berkeley National Laboratory computer labs for a year, receiving his A.B. in computer science in 1985. At Berkeley, he was president of the Berkeley Computer Club and of the Computer Science Undergraduates Association, and made many contributions to the 2BSD and 4BSD Berkeley Unix distributions, including: * curses and termcap: a hardware-independent library for controlling cursor movement, screen editing, and window creation on ASCII display terminals, based on termcap (based ...
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Susanne Hupfer
Susanne may refer to: * Susanne (given name), a feminine given name (including a list of people with the name) *, later USS ''SP-411'', a United States Navy patrol boat in commission from 1917 to 1919 *, the proposed name and designation for a vessel the Navy considered for service during World War I but never acquired * ''Susanne'' (1950 film), a Danish film directed by Torben Anton Svendsen * ''Susanne'' (1961 film), a Swedish film directed by Elsa Colfach * "Susanne" (song), by Weezer See also * * Suzanne (other) * Susanna (other) * Susana (other) * Susann *Zuzana Zuzana is a common female given name in the Czech Republic and Slovakia. It is often translated to other languages as Zuzanna ( Polish), Suzanne, Susan, or Susannah – all commonly derived from the Hebrew language name Shoshana, meaning "lilly". ...
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Eric Freeman (writer)
Eric Freeman is a computer scientist, author and constituent of David Gelernter on the Lifestreaming concept. Authored works Eric Freeman has publishing accolades for ''Head First HTML and CSS'' () which he co-authored with Elisabeth Robson, and ''Head First Design Patterns'' () also co-authored with Elisabeth Robson, Kathy Sierra and Bert Bates Bert Bates (18 August 1907 – 23 April 1976) was a British film editor, sometimes credited as A. S. Bates. He worked on more than sixty films during his career. Bates edited his first feature film, ''Many Waters'', in 1931. He went on to be em .... References External links * *http://www.technologyreview.com/tr35/Profile.aspx?TRID=479 *http://portal.acm.org/citation.cfm?id=1057270.1057279 *http://www.objectsbydesign.com/books/EricFreeman.html {{DEFAULTSORT:Freeman, Eric American technology writers American computer scientists Living people Year of birth missing (living people) ...
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Bill Joy
William Nelson Joy (born November 8, 1954) is an American computer engineer and venture capitalist. He co-founded Sun Microsystems in 1982 along with Scott McNealy, Vinod Khosla, and Andy Bechtolsheim, and served as Chief Scientist and CTO at the company until 2003. He played an integral role in the early development of BSD UNIX while being a graduate student at Berkeley, and he is the original author of the vi text editor. He also wrote the 2000 essay " Why The Future Doesn't Need Us", in which he expressed deep concerns over the development of modern technologies. Joy was elected a member of the National Academy of Engineering (1999) for contributions to operating systems and networking software. Early career Joy was born in the Detroit suburb of Farmington Hills, Michigan, to William Joy, a school vice-principal and counselor, and Ruth Joy. He earned a Bachelor of Science in electrical engineering from the University of Michigan and a Master of Science in electrical ...
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