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Superimposed code information


Edge-notched card with data for a bibliographic item. Edges have not yet been notched.

A superimposed code such as Zatocoding is a kind of hash code that was popular in marginal punched-card systems.

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Superimposed code

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A superimposed code such as Zatocoding is a kind of hash code that was popular in marginal punched-card systems. Many names, some of them trademarked...

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Bloom filter

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from scratch using the intersection of the two sets. Some kinds of superimposed code can be seen as a Bloom filter implemented with physical edge-notched...

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Prolog

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Michael J.; Powers, David M. W. (1986). Indexing Prolog Clauses via Superimposed Code Words and Field Encoded Words. International Symposium on Logic Programming...

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Boolean model of information retrieval

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bitstring, called a signature. The signature file contains one such superimposed code bitstring for every document in the collection. Each query can also...

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List of terms relating to algorithms and data structures

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succinct data structure suffix suffix array suffix automaton suffix tree superimposed code superset supersink supersource symmetric relation symmetrically linked...

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Q code

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The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". It is an operating signal initially developed for commercial...

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Letter frequency

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Marvin (1959). Subject-Word Letter Frequencies with Applications to Superimposed Coding. Proceedings of the International Conference on Scientific Information...

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Document retrieval

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creating for each file a signature, typically a hash coded version. One method is superimposed coding. A post-processing step is done to discard the false...

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Cryptanalysis of the Enigma

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the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that had been enciphered using Enigma...

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Photographic emulsion

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sensitizers, and incorporating different dye couplers which produce superimposed yellow, magenta and cyan dye images during development. Panchromatic...

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Parathyroid hormone

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exogenous parathyroid hormone analogue (teriparatide, by daily injection) superimposed on estrogen therapy produced increases in bone mass and reduced vertebral...

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Nazi concentration camp badge

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Double-triangle badges resembled two superimposed triangles forming a Star of David, a Jewish symbol. Red inverted triangle superimposed upon a yellow one representing...

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Vladimir Levenshtein

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461–477, doi:10.1006/eujc.1993.1049 T. Ericson and VI Levenshtein, Superimposed codes in the Hamming space, IEEE Trans. Inform. Theory, vol. 40, no. 6 (1994)...

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Vitruvian Man

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ancient Roman architect Vitruvius, the drawing depicts a nude man in two superimposed positions with his arms and legs apart and inscribed in both a circle...

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Calvin Mooers

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mathematics and physics. At M.I.T. he developed a mechanical system using superimposed codes of descriptors for information retrieval called Zatocoding. He founded...

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Dollar sign

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silver was mined. A feature on these coins were the letters "P T S I" superimposed. The core of this monogram is a (single-stroked) "$" sign. Yet another...

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Tilde

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letter, below it or superimposed onto the middle of it: A tilde above a letter indicates nasalization, e.g. [ã], [ṽ]. A tilde superimposed onto the middle...

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Root mean square deviation of atomic positions

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the average distance between the atoms (usually the backbone atoms) of superimposed molecules. In the study of globular protein conformations, one customarily...

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University of Minnesota

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1943. Zatocoding – Calvin Mooers developed a mechanical system using superimposed codes of descriptors for information retrieval called Zatocoding, 1948....

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Herbert Marvin Ohlman

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paper titled "Subject-word letter frequencies with applications to superimposed coding" to the International Conference on Scientific Information (ICSI)...

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Atmospheric pressure

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hectopascals, and almost zero in polar areas. These variations have two superimposed cycles, a circadian (24 h) cycle, and a semi-circadian (12 h) cycle....

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Universal Character Set characters

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non-combining mark code point, text rendering applications should superimpose the combining mark onto the glyph represented by the other code point to form...

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Flag of India

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with chakra in 1947 by Jawaharlal Nehru. Before the amendment of the flag code in 2021, the flag was by law only to be made of khadi; a special type of...

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Numerical Electromagnetics Code

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The Numerical Electromagnetics Code, or NEC, is a popular antenna modeling computer program for wire and surface antennas. It was originally written in...

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