]> 2009/04/07 OpenCyc Knowledge Base Copyright© 2001-2009 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. Mappings between OpenCyc terms and Wikipedia article names provided by Olena Medelyan and Catherine Legg, University of Waikato, NZ under a Creative Commons Attribution 3.0 license. 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. railroad A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> and <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a> is a pathway made of railroad tracks and used for train transportation. It includes main lines and sidings. Railway rails rail lines railroads tracks rail line railway railways track rail

Rail transport

http://en.wikipedia.org/wiki/Rail_transport http://www.w3.org/2006/03/wn/wn20/instances/synset-railroad_track-noun-1 member of { railroad, junction } (CollectionIntersectionFn (TheSet Railway JunctionOfPaths)) RailroadSwitch A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4r4ziDckJ_EdqAAAACs0uFOQ" class="cyc_term">RailroadSwitch</a> is a location on a railroad at which rails may be switched to permit access to another line. Also known as "railway points". railroad switch A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rv1IcZpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_StandardGauge</a> is a railway that is of standard (or international) gauge. Rail gauge is the distance between the inner sides of the two rails of a railroad, and standard gauge is ((<a href="http://sw.opencyc.org/concept/Mx4rvViLE5wpEbGdrcN5Y29ycA" class="cyc_term">Milli</a> <a href="http://sw.opencyc.org/concept/Mx4rvVjRp5wpEbGdrcN5Y29ycA" class="cyc_term">Meter</a>) 1435) (or 4 feet 8.5 inches). Standard gauge is currently used by about 60% of the world's railroads. Cf. <a href="http://sw.opencyc.org/concept/Mx4rv_e41JwpEbGdrcN5Y29ycA" class="cyc_term">Railway_NarrowGauge</a>, <a href="http://sw.opencyc.org/concept/Mx4rvpYLmpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_BroadGauge</a>, and <a href="http://sw.opencyc.org/concept/Mx4rvWafPJwpEbGdrcN5Y29ycA" class="cyc_term">Railway_DualGauge</a>. Railway-StandardGauge railway standard gauge railway-siding Railway-Siding A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>; each instance of <a href="http://sw.opencyc.org/concept/Mx4r94DM5kJ5EdqAAAACs0x8nw" class="cyc_term">Railway_Siding</a> is a short track that separates, runs parallel, and rejoins the main track. A <a href="http://sw.opencyc.org/concept/Mx4r94DM5kJ5EdqAAAACs0x8nw" class="cyc_term">Railway_Siding</a> allows one train to pass another when both are using the same main track. Railway-NarrowGauge A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rv_e41JwpEbGdrcN5Y29ycA" class="cyc_term">Railway_NarrowGauge</a> is a railway whose gauge is less than that of <a href="http://sw.opencyc.org/concept/Mx4rv1IcZpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_StandardGauge</a> (or international gauge). Rail gauge is the distance between the inner sides of the two rails of a railroad, and standard gauge is ((<a href="http://sw.opencyc.org/concept/Mx4rvViLE5wpEbGdrcN5Y29ycA" class="cyc_term">Milli</a> <a href="http://sw.opencyc.org/concept/Mx4rvVjRp5wpEbGdrcN5Y29ycA" class="cyc_term">Meter</a>) 1435) (or 4 feet 8.5 inches). Narrow gauge is currently used in a fair number of countries, including parts of South America, Asia, and Eastern Europe. See also <a href="http://sw.opencyc.org/concept/Mx4rvpYLmpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_BroadGauge</a> and <a href="http://sw.opencyc.org/concept/Mx4rvWafPJwpEbGdrcN5Y29ycA" class="cyc_term">Railway_DualGauge</a>. narrow gauge railway Railway-DualGauge A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvWafPJwpEbGdrcN5Y29ycA" class="cyc_term">Railway_DualGauge</a> is a railway consisting of three or four rails in order to accommodate cars of two different gauges. Rail gauge is the distance between the inner sides of the two rails of a railroad, and <a href="http://sw.opencyc.org/concept/Mx4rv1IcZpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_StandardGauge</a> is ((<a href="http://sw.opencyc.org/concept/Mx4rvViLE5wpEbGdrcN5Y29ycA" class="cyc_term">Milli</a> <a href="http://sw.opencyc.org/concept/Mx4rvVjRp5wpEbGdrcN5Y29ycA" class="cyc_term">Meter</a>) 1435) (or 4 feet 8.5 inches). See also <a href="http://sw.opencyc.org/concept/Mx4rv_e41JwpEbGdrcN5Y29ycA" class="cyc_term">Railway_NarrowGauge</a> and <a href="http://sw.opencyc.org/concept/Mx4rvpYLmpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_BroadGauge</a>. railway dual gauge <a href="http://sw.opencyc.org/concept/Mx4rvaeoqJwpEbGdrcN5Y29ycA" class="cyc_term">Subway</a> is a specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvaeoqJwpEbGdrcN5Y29ycA" class="cyc_term">Subway</a> is an underground <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a> under the surface of some city. Some parts of subways may be in trenches, on bridges or on elevated tracks, but most of a subway is in underground tunnels. subway Subway railway broad gauge A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvpYLmpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_BroadGauge</a> is a railway whose gauge is greater than that of <a href="http://sw.opencyc.org/concept/Mx4rv1IcZpwpEbGdrcN5Y29ycA" class="cyc_term">Railway_StandardGauge</a> (or international gauge). Rail gauge is the distance between the inner sides of the two rails of a railroad, and standard gauge is ((<a href="http://sw.opencyc.org/concept/Mx4rvViLE5wpEbGdrcN5Y29ycA" class="cyc_term">Milli</a> <a href="http://sw.opencyc.org/concept/Mx4rvVjRp5wpEbGdrcN5Y29ycA" class="cyc_term">Meter</a>) 1435) (or 4 feet 8.5 inches). Broad gauge is currently used in a fair number of countries, including India, Spain, Ireland, Brazil, and parts of Australia. See also <a href="http://sw.opencyc.org/concept/Mx4rv_e41JwpEbGdrcN5Y29ycA" class="cyc_term">Railway_NarrowGauge</a> and <a href="http://sw.opencyc.org/concept/Mx4rvWafPJwpEbGdrcN5Y29ycA" class="cyc_term">Railway_DualGauge</a>. Railway-BroadGauge (CollectionIntersectionFn (TheSet Abandoned-ExistentialStatus Railway)) abandoned railroad railroad A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> and <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a> is a pathway made of railroad tracks and used for train transportation. It includes main lines and sidings. Railway infrastructure product The collection of products which add directly to the infrastructure of some place. InfrastructureProduct Pretty String (<a href="http://sw.opencyc.org/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/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 (CollectionDifferenceFn HumanScaleObject SpaceInAHOC) human-scale object that is not an indoor space (CollectionUnionFn (TheSet Railway Train-TransportationDevice)) the union of { railroad, train } <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> is a specialization of <a href="http://sw.opencyc.org/concept/Mx4rvVidpZwpEbGdrcN5Y29ycA" class="cyc_term">ConstructionArtifact</a> and <a href="http://sw.opencyc.org/concept/Mx4rvoE5zpwpEbGdrcN5Y29ycA" class="cyc_term">InfrastructureProduct</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> is a structure built and used by human beings for the purpose of transportation of people, livestock or goods, or for associated support services. TransportFacility transport facility Wikipedia Article URL (<a href="http://sw.opencyc.org/concept/Mx4rNv0nbm4TTjOp7yhmnzOyqg" class="cyc_term">wikipediaArticleURL</a> THING URL) means that in <a href="http://sw.opencyc.org/concept/Mx4rtqXA6OC8QdiWC72DuLJdUw" class="cyc_term">Wikipedia_WebSite</a> THING is described by an article located at URL wikipediaArticleURL seeAlsoURI <code>(<a href="http://sw.opencyc.org/concept/Mx4riWVFR6HJSpaEaHrcWS3MSA" class="cyc_term">seeAlsoURI</a> THING URI)</code> means that a description of the resource identified by URI is likely to contain information pertinent to THING. This predicate is roughly equivalent to rdfs:seeAlso. See Also URI A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvViOopwpEbGdrcN5Y29ycA" class="cyc_term">PathArtifact</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a> is an artifact whose primary function is to serve as a path along which wheeled vehicles may move or park. Often such paths are paved, but they need not be. Specializations of <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a> include <a href="http://sw.opencyc.org/concept/Mx4rvViRDpwpEbGdrcN5Y29ycA" class="cyc_term">AirplaneRunway</a>, <a href="http://sw.opencyc.org/concept/Mx4rvVj2tJwpEbGdrcN5Y29ycA" class="cyc_term">ParkingLot</a>, and <a href="http://sw.opencyc.org/concept/Mx4rvyNjbZwpEbGdrcN5Y29ycA" class="cyc_term">Roadway</a>. PathForWheeledVehicles wheeled vehicle route LandTransportationTerrainFeatureType land transportation terrain feature type A collection of collections. Instances of <a href="http://sw.opencyc.org/concept/Mx4rRHFzqrgzEdqAAAACs2IMlQ" class="cyc_term">LandTransportationTerrainFeatureType</a> are collections of terrain features which are used for or relate to transportation of vehicles, people, or materials over land. A collection of collections. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVjOOJwpEbGdrcN5Y29ycA" class="cyc_term">PathType</a> is a collection that is a subcollection of <a href="http://sw.opencyc.org/concept/Mx4rwRCCC5wpEbGdrcN5Y29ycA" class="cyc_term">Path_Generic</a>. There are several types of path, according to the medium or surface the path goes through or over. In addition, the collection <a href="http://sw.opencyc.org/concept/Mx4rvViOopwpEbGdrcN5Y29ycA" class="cyc_term">PathArtifact</a> can be broken down into more specific <a href="http://sw.opencyc.org/concept/Mx4rvVjOOJwpEbGdrcN5Y29ycA" class="cyc_term">PathType</a>s. At a <a href="http://sw.opencyc.org/concept/Mx4rwPu9xJwpEbGdrcN5Y29ycA" class="cyc_term">JunctionOfPaths</a>, the joined paths all have at least one <a href="http://sw.opencyc.org/concept/Mx4rvVjOOJwpEbGdrcN5Y29ycA" class="cyc_term">PathType</a> in common. PathType path type the union of { railroad, embankment, roadway } (CollectionUnionFn (TheSet Railway Embankment Roadway)) railroad A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> and <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a> is a pathway made of railroad tracks and used for train transportation. It includes main lines and sidings. Railway railroad A specialization of <a href="http://sw.opencyc.org/concept/Mx4rvWjXAJwpEbGdrcN5Y29ycA" class="cyc_term">TransportFacility</a> and <a href="http://sw.opencyc.org/concept/Mx4rvVkCmpwpEbGdrcN5Y29ycA" class="cyc_term">PathForWheeledVehicles</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rvVi-lJwpEbGdrcN5Y29ycA" class="cyc_term">Railway</a> is a pathway made of railroad tracks and used for train transportation. It includes main lines and sidings. Railway BT broaderTerm <code>(<a href="http://sw.opencyc.org/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> TERM1 TERM2)</code> means that <code>TERM2</code> is broader than <code>TERM1</code>, in an extremely general sense of "broader". For example, <code>TERM2</code> is, in the relevant sense, broader than <code>TERM1</code> if any of the following hold: <code>TERM2</code> is a collection that subsumes <code>TERM1</code>; <code>TERM2</code> is a collection that has <code>TERM1</code> as an instance; <code>TERM2</code> is a collection, instances of which have instances of the collection <code>TERM1</code> as parts; <code>TERM2</code> has <code>TERM1</code> as a part; This list of reasons for why <code>(<a href="http://sw.opencyc.org/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> TERM1 TERM2)</code> could hold is not exhaustive, but it should give a good indication of how general the <a href="http://sw.opencyc.org/concept/Mx4rZOAVeiYGEdqAAAACs2IMmw" class="cyc_term">broaderTerm</a> relation actually is. A few examples of customary paths path traversal topic AFewExamplesOfCustomaryPaths-PathTraversal-Topic A <a href="http://sw.opencyc.org/concept/Mx4ret7qgOKgEdmAAAACs6hfSg" class="cyc_term">ConceptTypeByDomain</a> (q.v.). Instances of <a href="http://sw.opencyc.org/concept/Mx4r3-80-kDVEdqAAAACs0uFOQ" class="cyc_term">RailroadConcept</a> are collections and relations having to do with railroad systems, transportation, facilities, equipment, and personnel. the railroad domain RailroadConcept wikipediaArticleName (<a href="http://sw.opencyc.org/concept/Mx4rTv-jk9SPTXa991kk5mAvHg" class="cyc_term">wikipediaArticleName</a> THING NAME) means that in <a href="http://sw.opencyc.org/concept/Mx4rtqXA6OC8QdiWC72DuLJdUw" class="cyc_term">Wikipedia_WebSite</a> THING is described by an article with the title NAME Wikipedia Article Name An instance of <a href="http://sw.opencyc.org/concept/Mx4rgQsP1F2xEdif1wACs2IMlQ" class="cyc_term">Topic</a>. Each instance of <a href="http://sw.opencyc.org/concept/Mx4rgQtd9F2xEdif1wACs2IMlQ" class="cyc_term">Transportation_Topic</a> is a <a href="http://sw.opencyc.org/concept/Mx4rvViA9JwpEbGdrcN5Y29ycA" class="cyc_term">Thing</a> which (in some significant sense) has to do with the topic of transportation. Transportation-Topic transportation-topic