]> 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. lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires. http://en.wikipedia.org/wiki/Observation_tower observation towers observation tower lookout towers <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4ru-8ymLHtEdmAAAACs6hO_g" class="cyc_term">ArtifactualFeatureType</a> is the collection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4r6-wc8BKxEdeIXwCgydofLQ" class="cyc_term">CartographicFeatureType</a>s which are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkH_ZwpEbGdrcN5Y29ycA" class="cyc_term">Artifact</a>s, as opposed to naturally occuring. Positive examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzt5wpEbGdrcN5Y29ycA" class="cyc_term">WaterReservoir</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzcZwpEbGdrcN5Y29ycA" class="cyc_term">Canal</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rT2uByCTVQdeVZZaE0030Zg" class="cyc_term">Airfield</a>. Negative examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjODZwpEbGdrcN5Y29ycA" class="cyc_term">Mountain</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjktpwpEbGdrcN5Y29ycA" class="cyc_term">Ocean</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgD8VZwpEbGdrcN5Y29ycA" class="cyc_term">Mesa</a>. Also see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rummjkLHtEdmAAAACs6hO_g" class="cyc_term">NaturalFeatureType</a>, the corresponding collection for naturally occuring feature types. artifactual feature type ArtifactualFeatureType <code>(<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> <b>TERM1</b> <b>TERM2</b>)</code> means that <code><b>TERM2</b></code> is <i>broader</i> than <code><b>TERM1</b></code>, in an extremely general sense of &quot;broader&quot;. For example, <code><b>TERM2</b></code> is, in the relevant sense, broader than <code><b>TERM1</b></code> if any of the following hold:<br><br> <code><b>TERM2</b></code> is a collection that subsumes <code><b>TERM1</b></code>; <br> <code><b>TERM2</b></code> is a collection that has <code><b>TERM1</b></code> as an instance; <br> <code><b>TERM2</b></code> is a collection, instances of which have instances of the collection <code><b>TERM1</b></code> as parts; <br> <code><b>TERM2</b></code> has <code><b>TERM1</b></code> as a part; <br><br> This list of reasons for why <code>(<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> <b>TERM1</b> <b>TERM2</b>)</code> could hold is not exhaustive, but it should give a good indication of how general the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> relation actually is. BT broaderTerm tower Tower A manmade structure, higher than its diameter, generally used for observation, storage, or electronic transmission. buildings and structures concept BuildingConcept A <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4ret7qgOKgEdmAAAACs6hfSg" class="cyc_term">ConceptTypeByDomain</a> (q.v.). Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rZvGxFv6_EdmAAAACs0uFOQ" class="cyc_term">BuildingConcept</a> are collections and relations having to do with buildings. Specializations of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj7KJwpEbGdrcN5Y29ycA" class="cyc_term">Building</a>, and relations used for describing the construction, parts, size, uses, and other features of various types of buildings are instances of this collection. lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires. lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires. Pretty String (<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA" class="cyc_term">prettyString</a> TERM STRING) means that STRING is the English word or expression (sequence of words) commonly used to refer to TERM. The predicate <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA" class="cyc_term">prettyString</a> is used by the code which generates CycL to English paraphrases, but its applicability is not restricted to this use. prettyString lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires. lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires. A collection of collections and a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA" class="cyc_term">ObjectType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg" class="cyc_term">SpatiallyDisjointObjectType</a> is a collection C of spatial things (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjpUZwpEbGdrcN5Y29ycA" class="cyc_term">SpatialThing</a>), where each of the spatial things in C is spatially disjoint with the other spatial things in C. <p/> For example, the collection <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjaoJwpEbGdrcN5Y29ycA" class="cyc_term">Dog</a> is an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg" class="cyc_term">SpatiallyDisjointObjectType</a>, since dogs do not spatially overlap. Even pregnant dogs do not spatially overlap the pups they bear; rather, pregnant dogs contain their unborn pups. Other instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg" class="cyc_term">SpatiallyDisjointObjectType</a> include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVGrQ5wpEbGdrcN5Y29ycA" class="cyc_term">LatitudeLine</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvW4n1pwpEbGdrcN5Y29ycA" class="cyc_term">CompactDisc_Audio</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwR7UWZwpEbGdrcN5Y29ycA" class="cyc_term">PlanetaryBody</a>. An important specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rpPHhAOB1EdqAAAACs6hRXg" class="cyc_term">SpatiallyDisjointObjectType</a> is <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjlE5wpEbGdrcN5Y29ycA" class="cyc_term">SpatiallyDisjointRegionType</a> (a collection of specializations of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViACZwpEbGdrcN5Y29ycA" class="cyc_term">GeographicalRegion</a>, such as <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjnZ5wpEbGdrcN5Y29ycA" class="cyc_term">City</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwT-n15wpEbGdrcN5Y29ycA" class="cyc_term">TrueContinent</a>). spatially disjoint object type SpatiallyDisjointObjectType A collection of collections; a subcollection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4roOCJgqgyQdePhq6ip3adDw" class="cyc_term">ArtifactTypeByFunction</a>. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvh8SuLPZQdeVlt8feflcZg" class="cyc_term">DeviceTypeByFunction</a> are mutually unique with respect to the full set of primary functions that their instances perform. Examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVicOZwpEbGdrcN5Y29ycA" class="cyc_term">CookingRange</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjiNJwpEbGdrcN5Y29ycA" class="cyc_term">Freezer</a>. Counter-examples include <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVihVZwpEbGdrcN5Y29ycA" class="cyc_term">ElectricCookingRange</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvhtJZpwpEbGdrcN5Y29ycA" class="cyc_term">Freezer_Upright</a>. There may be cases where two instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvh8SuLPZQdeVlt8feflcZg" class="cyc_term">DeviceTypeByFunction</a> (PROD1 and PROD2) are related by (<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBDpwpEbGdrcN5Y29ycA" class="cyc_term">genls</a> PROD1 PROD2); but this will only happen in cases where instances of PROD1 have some additional primary function(s) to those of PROD2. For example, the collections <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvyCS5ZwpEbGdrcN5Y29ycA" class="cyc_term">Radio</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv_PB35wpEbGdrcN5Y29ycA" class="cyc_term">ClockRadio</a> are both instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvh8SuLPZQdeVlt8feflcZg" class="cyc_term">DeviceTypeByFunction</a>, and (<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBDpwpEbGdrcN5Y29ycA" class="cyc_term">genls</a> <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rv_PB35wpEbGdrcN5Y29ycA" class="cyc_term">ClockRadio</a> <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvyCS5ZwpEbGdrcN5Y29ycA" class="cyc_term">Radio</a>) is true. device type by function DeviceTypeByFunction Building building A specialization of both <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjGR5wpEbGdrcN5Y29ycA" class="cyc_term">FixedStructure</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjNP5wpEbGdrcN5Y29ycA" class="cyc_term">HumanShelterConstruction</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj7KJwpEbGdrcN5Y29ycA" class="cyc_term">Building</a> is a (usually large) fixed structure with walls and a roof, and with some inside area or areas designed to be occupied by humans (but not necessarily as a residence). Examples include the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwLIPtpwpEbGdrcN5Y29ycA" class="cyc_term">EmpireStateBuilding</a>, Hearst Castle, an <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjI9ZwpEbGdrcN5Y29ycA" class="cyc_term">AircraftHangar</a> at O'Hare, a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvWRPO5wpEbGdrcN5Y29ycA" class="cyc_term">Lighthouse</a> in the Mediterranean sea, the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwaXpwpEbGdrcN5Y29ycA" class="cyc_term">SydneyOperaHouse</a>, and the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwPzXP5wpEbGdrcN5Y29ycA" class="cyc_term">WashingtonMonumentInWashingtonDC</a>. lookout tower ObservationTower The collection of observation towers, typically located in <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwVAaWpwpEbGdrcN5Y29ycA" class="cyc_term">Forest</a>s and used to visually detect forest fires.