]> 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. dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog Mx4rvVjaoJwpEbGdrcN5Y29ycA http://en.wikipedia.org/wiki/Dog Canis familiaris dogs hounds hound doggie The collection of all pet <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s who live a significant fraction of their lives outdoors. OutsideDog outside dog A collection of medium-sized dogs. Their coats are usually pepper and salt or pure black. StandardSchnauzer standard schnauzer An instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/OrganismClassificationType" class="cyc_term">OrganismClassificationType</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog_MixedBreed" class="cyc_term">Dog_MixedBreed</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> of mixed breed. <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog_MixedBreed" class="cyc_term">Dog_MixedBreed</a> is disjoint with every instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/DogTypeByBreed_Pure" class="cyc_term">DogTypeByBreed_Pure</a>. Dog-MixedBreed mixed breed dog ToyDog Toy dog A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/ToyDog" class="cyc_term">ToyDog</a> is a member of a small breed of dogs or of a variety smaller than the standard variety of its breed. Examples include instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/ShihTzu" class="cyc_term">ShihTzu</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Chihuahua_Dog" class="cyc_term">Chihuahua_Dog</a>. As a rule, <a href="http://sw.opencyc.org/2008/06/10/concept/en/ToyDog" class="cyc_term">ToyDog</a> types were developed as companion animals, rather than hunting or sporting dogs. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BombSniffingDog" class="cyc_term">BombSniffingDog</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> that has been trained to detect <a href="http://sw.opencyc.org/2008/06/10/concept/en/Bomb" class="cyc_term">Bomb</a>s and other <a href="http://sw.opencyc.org/2008/06/10/concept/en/ExplosiveDevice" class="cyc_term">ExplosiveDevice</a>s with its sense of smell. Such animals are frequently used by military and police organizations. bomb sniffing dog BombSniffingDog Working dog WorkingDog-FunctionalGroup A collection of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s who are, or whose ancestors were, developed to perform tasks other than <a href="http://sw.opencyc.org/2008/06/10/concept/en/Hunting" class="cyc_term">Hunting</a>. Examples of such activities may include service to those with sensory or motor disabilties, tracking, rescue work, police, military, and protection work, livestock guarding, and drafting. A collection of medium-sized dogs. German Pointer GermanPointer-Wirehaired A collection of dogs. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Retriever_Dog" class="cyc_term">Retriever_Dog</a> are members of breeds used for retrieving game. Retriever-Dog retriever (FemaleFn Dog) female dog The collection of all puppies (juvenile dogs). A type of <a href="http://sw.opencyc.org/2008/06/10/concept/en/JuvenileAnimal" class="cyc_term">JuvenileAnimal</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>. (JuvenileFn Dog) puppy A collection of large bird dogs. Setter-TheDog setter A collection of dogs. <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s in the <a href="http://sw.opencyc.org/2008/06/10/concept/en/NonSportingDog_FunctionalGroup" class="cyc_term">NonSportingDog_FunctionalGroup</a> have ancestry not specifically related to the main functional types of dog. It is something of a leftovers category, and includes a wide variety of dogs whose breeds are recognized, but are determined by a relevant standards organization not to meet the criteria of the other instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/DogTypeByFunctionalGroup" class="cyc_term">DogTypeByFunctionalGroup</a> recognized by that organization. Non-Sporting dog NonSportingDog-FunctionalGroup Terrier-FunctionalGroup A collection of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Terrier_FunctionalGroup" class="cyc_term">Terrier_FunctionalGroup</a> are dogs whose breed background includes some <a href="http://sw.opencyc.org/2008/06/10/concept/en/DogTypeByBreed_Pure" class="cyc_term">DogTypeByBreed_Pure</a> developed for the hunting and killing of small-to-medium-sized animals. The name 'Terrier' is derived from the Latin 'terra,' or 'ground'. Most terrier types were originally developed in the <a href="http://sw.opencyc.org/2008/06/10/concept/en/UnitedKingdomOfGreatBritainAndNorthernIreland" class="cyc_term">UnitedKingdomOfGreatBritainAndNorthernIreland</a>. terrier sporting dog functional group A collection of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/SportingDog_FunctionalGroup" class="cyc_term">SportingDog_FunctionalGroup</a> are dogs whose breed background most signficantly includes some <a href="http://sw.opencyc.org/2008/06/10/concept/en/DogTypeByBreed_Pure" class="cyc_term">DogTypeByBreed_Pure</a> developed to play an assisting role in hunting activities. Retriever, Setter, Pointer, and Spaniel breeds are often classified as specializations of <a href="http://sw.opencyc.org/2008/06/10/concept/en/SportingDog_FunctionalGroup" class="cyc_term">SportingDog_FunctionalGroup</a>. SportingDog-FunctionalGroup MiscellaneousClassDog-FunctionalGroup A collection of dogs. <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s in the <a href="http://sw.opencyc.org/2008/06/10/concept/en/MiscellaneousClassDog_FunctionalGroup" class="cyc_term">MiscellaneousClassDog_FunctionalGroup</a> may also have ancestry related to the main functional types of dog. However, these dogs are assigned to the <a href="http://sw.opencyc.org/2008/06/10/concept/en/MiscellaneousClassDog_FunctionalGroup" class="cyc_term">MiscellaneousClassDog_FunctionalGroup</a> by a standards organization if that organization determines that ancestry to be insufficiently deep or stable for regular classification. Stability may be evidenced in form of a sufficient breadth and depth of public interest and active breed-specific organization. The <a href="http://sw.opencyc.org/2008/06/10/concept/en/MiscellaneousClassDog_FunctionalGroup" class="cyc_term">MiscellaneousClassDog_FunctionalGroup</a> is really something of a probationary classification. <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> types that are specializations of this group may be re-classified to aonther <a href="http://sw.opencyc.org/2008/06/10/concept/en/DogTypeByFunctionalGroup" class="cyc_term">DogTypeByFunctionalGroup</a> at a later time. Miscellaneous dog HerdingDog-FunctionalGroup A collection of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/HerdingDog_FunctionalGroup" class="cyc_term">HerdingDog_FunctionalGroup</a> are dogs who are, or whose ancestors were, developed to herd livestock. Herding dog Spaniel Spaniel A collection of dogs, each instance of which belongs to one of the Spaniel breeds. hound dog Hound The collection of all hound dogs, which are dogs that assist hunters by tracking or chasing the animal being hunted. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/en/Hound" class="cyc_term">Hound</a> is an <a href="http://sw.opencyc.org/2008/06/10/concept/en/OrganismClassificationType" class="cyc_term">OrganismClassificationType</a>. Dash A dog owned by Queen Victoria at the time of her coronation in 1838. Dash-VictoriasPet dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog domesticated animal A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/TameAnimal" class="cyc_term">TameAnimal</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a> is an animal that has been bred and trained in such a way that it cannot readily survive in the wild. Domesticated animals are kept by humans for labor, transportation, food, or as pets, and their relations with humans are more or less cooperative. <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a> does _not_ include most wild animals kept in zoos (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/CaptiveAnimal" class="cyc_term">CaptiveAnimal</a>). Cf. <a href="http://sw.opencyc.org/2008/06/10/concept/en/WildAnimal" class="cyc_term">WildAnimal</a>. DomesticatedAnimal domesticated animal The collection of all types of animals that are commonly domesticated by humans. Instances include <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Goldfish" class="cyc_term">Goldfish</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Cattle" class="cyc_term">Cattle</a>, etc. Being an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimalType" class="cyc_term">DomesticatedAnimalType</a> does not imply that all of a collection's instances are instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a> - so there can be <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a>s, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Goldfish" class="cyc_term">Goldfish</a>, etc., that are wild. DomesticatedAnimalType SomeSampleKindsOfMammal-Biology-Topic some sample kinds of mammal biology topic NonHumanAnimal The collection of all instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Animal" class="cyc_term">Animal</a> that are not instances of <a href="http://sw.opencyc.org/2008/06/10/concept/en/HomoSapiens" class="cyc_term">HomoSapiens</a>. See also <a href="http://sw.opencyc.org/2008/06/10/concept/en/NonPersonAnimal" class="cyc_term">NonPersonAnimal</a>. animal species BiologicalSpecies An instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalTaxonType" class="cyc_term">BiologicalTaxonType</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> is the most general taxon from which two breeding organisms of appropriate sexes can conceivably produce fertile offspring, or, in the case of asexual reproduction, is conventionally defined. Members of different species of animals cannot produce fertile offspring by interbreeding. If there are only two breeds of a given species and one breed becomes extinct, the second breed by virtue of that fact becomes an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> -- since the only organisms instances can breed with to produce fertile offspring are, at that point, members of that collection. An instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> has members who all have significant traits in common, and members of each biological species have other members as parents. Exceptions occur when a species is conventionally defined to start since parenthood could conceivably be traced back billions of years, yet new species came into existence. In biological taxonomy, related species are grouped into a particular instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalGenus" class="cyc_term">BiologicalGenus</a>. Some genera have only a single species, but they remain different taxons. dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog CanisGenus The genus which contains the species to which domestic dogs and wolves belong. Canis (<a href="http://sw.opencyc.org/2008/06/10/concept/en/wikipediaArticleURL" class="cyc_term">wikipediaArticleURL</a> THING URL) means that in #$Wikipedia-WebSite THING is described by an article located at URL wikipediaArticleURL wikipediaArticleURL BT <code>(<a href="http://sw.opencyc.org/2008/06/10/concept/en/broaderTerm" 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/2008/06/10/concept/en/broaderTerm" 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/2008/06/10/concept/en/broaderTerm" class="cyc_term">broaderTerm</a> relation actually is. broaderTerm dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog dog A <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a> (scientific name 'Canis familiaris') that is a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> is a canine animal that has either been bred to be a domestic pet (see <a href="http://sw.opencyc.org/2008/06/10/concept/en/DomesticatedAnimal" class="cyc_term">DomesticatedAnimal</a>) or is a wild canine animal that is not an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/en/Fox" class="cyc_term">Fox</a>, or any other non-dog specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/en/CanineAnimal" class="cyc_term">CanineAnimal</a>. Note that although <a href="http://sw.opencyc.org/2008/06/10/concept/en/Dog" class="cyc_term">Dog</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/en/Wolf" class="cyc_term">Wolf</a> are considered distinct <a href="http://sw.opencyc.org/2008/06/10/concept/en/BiologicalSpecies" class="cyc_term">BiologicalSpecies</a>, instances of the two can and do interbreed successfully. This species classification is therefore unusual, and in some circles, controversial. Dog prettyString (<a href="http://sw.opencyc.org/2008/06/10/concept/en/prettyString" 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/en/prettyString" 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. Pretty String