]> 2008/06/10 OpenCyc Knowledge Base Copyright© 2001-2008 Cycorp, Inc., http://www.cyc.com/, Austin, TX, USA This file contains an OWL representation of information contained in the OpenCyc Knowledge Base. The content of this OWL file is licensed under the Creative Commons Attribution 3.0 license whose text can be found at http://creativecommons.org/licenses/by/3.0/legalcode. The content of this OWL file, including the OpenCyc content it represents, constitutes the "Work" referred to in the Creative Commons license. The terms of this license equally apply to, without limitation, renamings and other logically equivalent reformulations of the content of this OWL file (or portions thereof) in any natural or formal language, as well as to derivations of this content or inclusion of it in other ontologies. externalID A unique, language-neutral, variable-sized identifier for a concept that can be used to refer unambiguously to that concept across OWL exports or across Cyc inference engines. label A natural-language representation for a concept that is both human readable and readable by the Cyc inference engine. These terms are not guaranteed to refer to the same concept across time but are guaranteed to be consistent within a particular OWL export. Use 'cycAnnot:externalID' for unambiguously referring to a concept across OWL exports or across Cyc inference engines. scientist type by field A collection of collections. Each instance is a spec of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a> whose instances are all of the same field. ScientistTypeByField toxicologist The collection of all toxicologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkACpwpEbGdrcN5Y29ycA" class="cyc_term">Toxicologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Toxicologist bacteriologist Bacteriologist The collection of all bacteriologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj_jZwpEbGdrcN5Y29ycA" class="cyc_term">Bacteriologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. microbiologist The collection of all microbiologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA0JwpEbGdrcN5Y29ycA" class="cyc_term">Microbiologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Microbiologist The collection of all dialectologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAXHZwpEbGdrcN5Y29ycA" class="cyc_term">Dialectologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. dialectologist Dialectologist linguistic scientist Linguist A person trained in the scientific study of human languages Oceanographer The collection of all oceanographers. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAjpwpEbGdrcN5Y29ycA" class="cyc_term">Oceanographer</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. oceanographer Geologist geologist The collection of all geologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi4hZwpEbGdrcN5Y29ycA" class="cyc_term">Geologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. A scientist knowledgeable in Cognitive Psychology, its theory, uses and applications. cognitive psychologist CognitivePsychologist aerosol physicist <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwTdai5wpEbGdrcN5Y29ycA" class="cyc_term">AerosolPhysicist</a> is the collection of scientists who study <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwAT-UZwpEbGdrcN5Y29ycA" class="cyc_term">AerosolPhysics</a>. AerosolPhysicist CulturalAnthropologist Researcher engaged in the study of similarity and diversity in the ways people(s) think and live, everywhere cultural anthropologist A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a> specializing in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv1xVF5wpEbGdrcN5Y29ycA" class="cyc_term">Phonetics</a> phonetician Phonetician The collection of all relativity theorists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViN4ZwpEbGdrcN5Y29ycA" class="cyc_term">Physicist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvklZu5wpEbGdrcN5Y29ycA" class="cyc_term">RelativityTheorist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. RelativityTheorist relativity theorist Embryologist The collection of all embryologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj_yJwpEbGdrcN5Y29ycA" class="cyc_term">Embryologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. developmental biologist Morphologist morphologist A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a> specializing in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv0SFMJwpEbGdrcN5Y29ycA" class="cyc_term">Morphology</a> The collection of all <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvofqfpwpEbGdrcN5Y29ycA" class="cyc_term">ClassicalMechanicsTheorist</a>s. ClassicalMechanicsTheorist classical mechanics theorist Biochemist biochemist The collection of all biochemists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj7pJwpEbGdrcN5Y29ycA" class="cyc_term">Biochemist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Scientist engaged in the study, development and understanding of Mathematics and its applications mathematician Mathematician The collection of all ethologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkATJwpEbGdrcN5Y29ycA" class="cyc_term">Ethologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Ethologist ethologist botanist The collection of all botanists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVireZwpEbGdrcN5Y29ycA" class="cyc_term">Botanist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Botanist Neurolinguist neurolinguist The collection of all neurolinguists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwLN6xJwpEbGdrcN5Y29ycA" class="cyc_term">Neurolinguist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Semanticist semanticist A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a> specializing in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvY8aIpwpEbGdrcN5Y29ycA" class="cyc_term">Semantics</a> agronomist <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4r3aCcJI1oQdiR6JEYvRUHJw" class="cyc_term">Agronomist</a> is the collection of scientists who specialize in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4r-bYxCI1oQdiKbMnqsfy8nw" class="cyc_term">Agronomy</a>. Agronomist MarineBiologist A Scientist whose major research emphasis is MarineBiology. marine biologist quantum mechanics theorist QuantumMechanicsTheorist The collection of all <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwFegfJwpEbGdrcN5Y29ycA" class="cyc_term">QuantumMechanicsTheorist</a>s. These <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViN4ZwpEbGdrcN5Y29ycA" class="cyc_term">Physicist</a>s are concerned with the physical theory that describes the motion of objects by the principles of the quantum theory. Psychologist psychologist A scientist knowledgeable in Psychology, its theory, uses and applications. physiologist Physiologist The collection of all physiologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj-wZwpEbGdrcN5Y29ycA" class="cyc_term">Physiologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. geneticist The collection of all geneticists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj_RZwpEbGdrcN5Y29ycA" class="cyc_term">Geneticist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Geneticist CondensedMatterScientist The collection of all people who study condensed matter. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViN4ZwpEbGdrcN5Y29ycA" class="cyc_term">Physicist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv9PwH5wpEbGdrcN5Y29ycA" class="cyc_term">CondensedMatterScientist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. people who study condensed matter The collection of all sociolinguists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwE4w9JwpEbGdrcN5Y29ycA" class="cyc_term">Sociolinguist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Sociolinguist sociolinguist Psycholinguist The collection of all psycholinguists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvwWX2ZwpEbGdrcN5Y29ycA" class="cyc_term">Psycholinguist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. psycholinguist phonologist A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a> specializing in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv93yZ5wpEbGdrcN5Y29ycA" class="cyc_term">Phonology</a> Phonologist Physicist physicist Scientist engaged in the development and application of Physics grammarian Syntactician A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a> specializing in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwIzzWZwpEbGdrcN5Y29ycA" class="cyc_term">Syntax</a> Meteorologist meteorologist The collection of all <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>s whose <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi2_5wpEbGdrcN5Y29ycA" class="cyc_term">fieldsOfFormalEducation</a> include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvmIGKZwpEbGdrcN5Y29ycA" class="cyc_term">Meteorology</a>. Anthropologist anthropologist The collection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>s who work in the field of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVigVpwpEbGdrcN5Y29ycA" class="cyc_term">Anthropology</a>. aerobiologist Aerobiologist <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwKCPY5wpEbGdrcN5Y29ycA" class="cyc_term">Aerobiologist</a> is the collection of scientists who study <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv_WGcZwpEbGdrcN5Y29ycA" class="cyc_term">Aerobiology</a>. The collection of all <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVixoJwpEbGdrcN5Y29ycA" class="cyc_term">ComputerScientist</a>s who specialize in the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj2cJwpEbGdrcN5Y29ycA" class="cyc_term">Linguistics</a> branch of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi4wJwpEbGdrcN5Y29ycA" class="cyc_term">ArtificialIntelligence</a>. computational linguist ComputationalLinguist computer scientist A scientist knowledgeable in Computer Science, its theory, uses and applications ComputerScientist MathematicalPhysicist The collection of all mathematical physicists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViN4ZwpEbGdrcN5Y29ycA" class="cyc_term">Physicist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwPRpypwpEbGdrcN5Y29ycA" class="cyc_term">MathematicalPhysicist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. mathematical physicist life scientist <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a> that studies, advances and exploits <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVili5wpEbGdrcN5Y29ycA" class="cyc_term">Biology</a> Biologist The collection of all lexicographers. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirtpwpEbGdrcN5Y29ycA" class="cyc_term">Linguist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwLtrxJwpEbGdrcN5Y29ycA" class="cyc_term">Lexicographer</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. lexicographer Lexicographer Ornithologist The collection of all ornithologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBEZwpEbGdrcN5Y29ycA" class="cyc_term">Zoologist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQB82JwpEbGdrcN5Y29ycA" class="cyc_term">Ornithologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. ornithologist genetic engineer GeneticEngineer <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwR-Eo5wpEbGdrcN5Y29ycA" class="cyc_term">GeneticEngineer</a> is the subset of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a> that consists of people who study <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvYUMc5wpEbGdrcN5Y29ycA" class="cyc_term">GeneticEngineering</a>. A sub-collection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. Each instance is a someone expert in the study of human society and its personal relationships. Sociologist social scientist nuclear scientist An instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA" class="cyc_term">PersonTypeByOccupation</a> and a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rT7RWmL0_QdeQbZpwe0RD3A" class="cyc_term">NuclearScientist</a> is an expert in the field of nuclear science. NuclearScientist The collection of all computer vision researchers. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVixoJwpEbGdrcN5Y29ycA" class="cyc_term">ComputerScientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rmckNYPKRQdaNhuNxlu6spQ" class="cyc_term">ComputerVisionResearcher</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. ComputerVisionResearcher computer vision researcher The collection of all astronomers, who are scientists that study astronomy. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj_A5wpEbGdrcN5Y29ycA" class="cyc_term">Astronomer</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. astronomer Astronomer The collection of all chaos theorists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViN4ZwpEbGdrcN5Y29ycA" class="cyc_term">Physicist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvmxh45wpEbGdrcN5Y29ycA" class="cyc_term">ChaosTheorist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. chaos theorist ChaosTheorist Ecologist The collection of all ecologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQCEL5wpEbGdrcN5Y29ycA" class="cyc_term">Ecologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. ecologist A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVixoJwpEbGdrcN5Y29ycA" class="cyc_term">ComputerScientist</a> whose main field is artificial intelligence research. artificial intelligence researcher ArtificialIntelligenceResearcher zoologist Zoologist The collection of all zoologists. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBEZwpEbGdrcN5Y29ycA" class="cyc_term">Zoologist</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4reDEFHtjWQdeP6NQR60w1dA" class="cyc_term">ScientistTypeByField</a>. Chemist A scientist trained in Chemistry chemist scientist type by field A collection of collections. Each instance is a spec of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a> whose instances are all of the same field. ScientistTypeByField A collection of collections. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvubaMZwpEbGdrcN5Y29ycA" class="cyc_term">ConventionalClassificationType</a> is a collection that corresponds to a category in some agreed-upon or conventional classification system (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwNgIyZwpEbGdrcN5Y29ycA" class="cyc_term">ClassificationSystem</a>) used by people. In such systems, a change or reclassification is possible by a decision of an authority, or by a changed social agreement or custom, without changing the intrinsic natures of the actual objects in the category. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvubaMZwpEbGdrcN5Y29ycA" class="cyc_term">ConventionalClassificationType</a>s include categories in biological taxonomy, standard classifications in data dictionaries and thesauri, cultural taboo classes, military doctrinal classes, and named calendar intervals. ConventionalClassificationType conventional classification type A collection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtppU5wpEbGdrcN5Y29ycA" class="cyc_term">CollectionType</a>s. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvprlOZwpEbGdrcN5Y29ycA" class="cyc_term">FacetingCollectionType</a> is a collection-type that &quot;facets&quot; -- i.e. stands in the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvjldVJwpEbGdrcN5Y29ycA" class="cyc_term">facets_Generic</a> (q.v.) relation to -- another collection. Examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVibOJwpEbGdrcN5Y29ycA" class="cyc_term">AutomobileTypeByBrand</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rANFO8Ec-EdaEKABQ2sS97g" class="cyc_term">MusicTypeByGenre</a>, which facet <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViVwZwpEbGdrcN5Y29ycA" class="cyc_term">Automobile</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjOJpwpEbGdrcN5Y29ycA" class="cyc_term">Music</a>, respectively. faceting collection type FacetingCollectionType A collection of collections and a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvWgxLZwpEbGdrcN5Y29ycA" class="cyc_term">PersonTypeByActivity</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA" class="cyc_term">PersonTypeByOccupation</a> is a collection of workers (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjnN5wpEbGdrcN5Y29ycA" class="cyc_term">PersonWithOccupation</a>) and is defined in terms of the kind of work done. The various instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVii2ZwpEbGdrcN5Y29ycA" class="cyc_term">PersonTypeByOccupation</a> correspond to jobs of all kinds, and not just to those colloquially called &quot;professions&quot;. Examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjONJwpEbGdrcN5Y29ycA" class="cyc_term">ComputerProgrammerProfessional</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjkWZwpEbGdrcN5Y29ycA" class="cyc_term">FoodServiceEmployee</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwxbpwpEbGdrcN5Y29ycA" class="cyc_term">MedicalCareProfessional</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwl6JwpEbGdrcN5Y29ycA" class="cyc_term">SalesRepresentative</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjilJwpEbGdrcN5Y29ycA" class="cyc_term">Brewer</a>, and many others. See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQr5OpwpEbGdrcN5Y29ycA" class="cyc_term">PersonTypeByPositionInOrg</a>. type of profession PersonTypeByOccupation scientist type by field A collection of collections. Each instance is a spec of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj755wpEbGdrcN5Y29ycA" class="cyc_term">Scientist</a> whose instances are all of the same field. ScientistTypeByField