]> 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. periodic event A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> is a collection of events whose instances typically occur along with other instances of the same event-type at more or less regular intervals. These regular occurrences might be the result of natural phenomena (e.g. the sunrise), human convention (e.g. the execution of a dance step within a given dancing event), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> Other examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA9pwpEbGdrcN5Y29ycA" class="cyc_term">OlympicGames</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rEoWnqmC9QdiX4oI85208gA" class="cyc_term">AcademicTerm</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>. RegularlyRepeatedEventType most periodic more periodic periodic regular periodic events most regular more regular AnnualEventType <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjxSZwpEbGdrcN5Y29ycA" class="cyc_term">AnnualEventType</a>s are events that are synchronized with the calendar and which occur yearly, e.g., the Stanford academic year, holidays, income tax filing date, etc. annual event <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViQmZwpEbGdrcN5Y29ycA" class="cyc_term">subEvents</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwJie_5wpEbGdrcN5Y29ycA" class="cyc_term">Inhaling_BreathingIn</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwP1e3pwpEbGdrcN5Y29ycA" class="cyc_term">Exhaling_BreathingOut</a>; <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a> is part of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi3c5wpEbGdrcN5Y29ycA" class="cyc_term">Breathing</a>. breath TakingABreath summer SummerSeason A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViE3pwpEbGdrcN5Y29ycA" class="cyc_term">SeasonOfYear</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViKx5wpEbGdrcN5Y29ycA" class="cyc_term">SummerSeason</a> is the time of greatest warmth during a temperate climate cycle (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi2NZwpEbGdrcN5Y29ycA" class="cyc_term">TemperateClimateCycle</a>). Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViKx5wpEbGdrcN5Y29ycA" class="cyc_term">SummerSeason</a> are characterized solely by climatic conditions; consequently, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViKx5wpEbGdrcN5Y29ycA" class="cyc_term">SummerSeason</a> is _not_ a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEU5pwpEbGdrcN5Y29ycA" class="cyc_term">CalendarSeason</a>. For the collection of summers defined by dates on a calendar, see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEXaJwpEbGdrcN5Y29ycA" class="cyc_term">CalendarSummer</a>. The collection of all <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjSm5wpEbGdrcN5Y29ycA" class="cyc_term">Sleeping</a> events, i.e., natural processes in which an <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViwMZwpEbGdrcN5Y29ycA" class="cyc_term">Animal</a> engages in some unconscious mental activity coupled with physical rest. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjSm5wpEbGdrcN5Y29ycA" class="cyc_term">Sleeping</a> is a subcollection of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVn3Y5wpEbGdrcN5Y29ycA" class="cyc_term">BodilyFunctionEvent_Involuntary</a>; the process of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjSm5wpEbGdrcN5Y29ycA" class="cyc_term">Sleeping</a> is essential for the health of sentient animals. Sleeping sleeping FallSeason A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViE3pwpEbGdrcN5Y29ycA" class="cyc_term">SeasonOfYear</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi3NJwpEbGdrcN5Y29ycA" class="cyc_term">FallSeason</a> is the season during a temperate climate cycle (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi2NZwpEbGdrcN5Y29ycA" class="cyc_term">TemperateClimateCycle</a>) during which the bulk of harvesting occurs and many plants cease growth in order to enter a dormant period for the coming Winter. Thus instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi3NJwpEbGdrcN5Y29ycA" class="cyc_term">FallSeason</a> also typically have harvest celebrations as sub-events. Note that <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi3NJwpEbGdrcN5Y29ycA" class="cyc_term">FallSeason</a> represents the climatic aspects of Fall; it is _not_ a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEU5pwpEbGdrcN5Y29ycA" class="cyc_term">CalendarSeason</a>. For the collection of temporal extents of fall seasons, see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEXkJwpEbGdrcN5Y29ycA" class="cyc_term">CalendarAutumn</a>. autumn Movement-Periodic periodic movement A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkEAZwpEbGdrcN5Y29ycA" class="cyc_term">MovementEvent</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvWWHKZwpEbGdrcN5Y29ycA" class="cyc_term">Movement_Periodic</a> is a movement event in which the moving object (see the predicate <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkEjpwpEbGdrcN5Y29ycA" class="cyc_term">objectMoving</a>) returns repeatedly to a certain location or orientation at more or less regular time intervals. Examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvWWHKZwpEbGdrcN5Y29ycA" class="cyc_term">Movement_Periodic</a> include the motion of a seesaw one afternoon, the dribbling of a basketball in place by Magic Johnson, and the motion of a slinky going down a staircase as it periodically changes its orientation through a fixed, repetive series of orientations. time of day An instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEa3ZwpEbGdrcN5Y29ycA" class="cyc_term">QualitativeTimeOfDay</a> is a celestial event such as a dawn (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViO45wpEbGdrcN5Y29ycA" class="cyc_term">Dawn</a>), a morning (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViIhZwpEbGdrcN5Y29ycA" class="cyc_term">Morning</a>), an evening (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVidx5wpEbGdrcN5Y29ycA" class="cyc_term">Evening</a>), etc. On <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkL_pwpEbGdrcN5Y29ycA" class="cyc_term">PlanetEarth</a>, qualitative times of day are synchronized with the rotation of the earth about its axis, but the absolute timing of qualitative times of day depends upon such factors as the season and the observer's location on the planet's surface. QualitativeTimeOfDay winter A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwPcRFpwpEbGdrcN5Y29ycA" class="cyc_term">ColdSeason</a>. In the <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi2NZwpEbGdrcN5Y29ycA" class="cyc_term">TemperateClimateCycle</a>, generally a time of cold and dormancy. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkBwZwpEbGdrcN5Y29ycA" class="cyc_term">WinterSeason</a> represents the climatic aspects of Winter; for its purely temporal aspects, see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEW85wpEbGdrcN5Y29ycA" class="cyc_term">CalendarWinter</a>. WinterSeason OlympicGames The international athletic competition held every four years. the Olympic Games academic term A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rcSNkdoY2QdeItLdUnrMhPA" class="cyc_term">Situation_Localized</a>. An instance of this collection is the complex of planned activities constituting an academic term at a given educational institution: e.g., the 2003 spring semester at the University of Texas, Austin (cf. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjqMJwpEbGdrcN5Y29ycA" class="cyc_term">AcademicSemester</a>). Note that this is not a pure time interval. A certain course, for instance, is a part (cf. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvnfLX5wpEbGdrcN5Y29ycA" class="cyc_term">subSituations</a>) of a certain academic term. Salient specializations are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjxiJwpEbGdrcN5Y29ycA" class="cyc_term">AcademicYear</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViUQZwpEbGdrcN5Y29ycA" class="cyc_term">AcademicQuarter</a> (qq.v). AcademicTerm menstruation The collection of all menstruation events. A type of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjPypwpEbGdrcN5Y29ycA" class="cyc_term">Bleeding_TheAction</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvWLc3pwpEbGdrcN5Y29ycA" class="cyc_term">FluidFlowEvent</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkGYpwpEbGdrcN5Y29ycA" class="cyc_term">InvoluntaryBodyMovement</a>. <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjGO5wpEbGdrcN5Y29ycA" class="cyc_term">Menstruating</a> is a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a>, a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rwQwW_pwpEbGdrcN5Y29ycA" class="cyc_term">PhysiologicalConditionType</a>, a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rX4HA9JmFEdqAAAACs2IKaQ" class="cyc_term">TypicalHumanActivityType_AtLeastOnce</a>, and a <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rcr3AEuGiQdaW-vWggaBK5g" class="cyc_term">OneAtATimeProcessType</a>. Menstruating SpringSeason A specialization of<a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViE3pwpEbGdrcN5Y29ycA" class="cyc_term">SeasonOfYear</a>. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViLCZwpEbGdrcN5Y29ycA" class="cyc_term">SpringSeason</a> is, in a temperate climate cycle (see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVi2NZwpEbGdrcN5Y29ycA" class="cyc_term">TemperateClimateCycle</a>), the time ice from the preceding Winter melts, the average temperature starts to increase, the days get longer, plants begin to put forth buds, etc. Note that <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViLCZwpEbGdrcN5Y29ycA" class="cyc_term">SpringSeason</a> represents the climatic aspects of spring; it is _not_ a specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEXNZwpEbGdrcN5Y29ycA" class="cyc_term">CalendarSpring</a>. For the collection of the purely temporal aspects of spring, see <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvgEXNZwpEbGdrcN5Y29ycA" class="cyc_term">CalendarSpring</a>. spring The collection of all specializations of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHIBS0h_TEdaAAABQ2rksLw" class="cyc_term">FirstOrderCollection</a>, that is, of all collections of (first-order) collections, and an instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHUFI8h_TEdaAAABQ2rksLw" class="cyc_term">ThirdOrderCollection</a>. Instances of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHQdVmB_TEdaAAABQ2rksLw" class="cyc_term">SecondOrderCollection</a> are collections of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHIBS0h_TEdaAAABQ2rksLw" class="cyc_term">FirstOrderCollection</a>s. Any instance of any instance of any instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHQdVmB_TEdaAAABQ2rksLw" class="cyc_term">SecondOrderCollection</a> is an <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjaApwpEbGdrcN5Y29ycA" class="cyc_term">Individual</a>. SecondOrderCollection second-order Cyc collection periodic event RegularlyRepeatedEventType A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> is a collection of events whose instances typically occur along with other instances of the same event-type at more or less regular intervals. These regular occurrences might be the result of natural phenomena (e.g. the sunrise), human convention (e.g. the execution of a dance step within a given dancing event), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> Other examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA9pwpEbGdrcN5Y29ycA" class="cyc_term">OlympicGames</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rEoWnqmC9QdiX4oI85208gA" class="cyc_term">AcademicTerm</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>. periodic event RegularlyRepeatedEventType A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> is a collection of events whose instances typically occur along with other instances of the same event-type at more or less regular intervals. These regular occurrences might be the result of natural phenomena (e.g. the sunrise), human convention (e.g. the execution of a dance step within a given dancing event), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> Other examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA9pwpEbGdrcN5Y29ycA" class="cyc_term">OlympicGames</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rEoWnqmC9QdiX4oI85208gA" class="cyc_term">AcademicTerm</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>. repeated events time topic RepeatedEvents-Time-Topic 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 periodic event RegularlyRepeatedEventType A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> is a collection of events whose instances typically occur along with other instances of the same event-type at more or less regular intervals. These regular occurrences might be the result of natural phenomena (e.g. the sunrise), human convention (e.g. the execution of a dance step within a given dancing event), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> Other examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA9pwpEbGdrcN5Y29ycA" class="cyc_term">OlympicGames</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rEoWnqmC9QdiX4oI85208gA" class="cyc_term">AcademicTerm</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>. periodic event RegularlyRepeatedEventType A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> (q.v.). Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> is a collection of events whose instances typically occur along with other instances of the same event-type at more or less regular intervals. These regular occurrences might be the result of natural phenomena (e.g. the sunrise), human convention (e.g. the execution of a dance step within a given dancing event), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> Other examples of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a> are <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkA9pwpEbGdrcN5Y29ycA" class="cyc_term">OlympicGames</a>, <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rEoWnqmC9QdiX4oI85208gA" class="cyc_term">AcademicTerm</a>, and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjzhZwpEbGdrcN5Y29ycA" class="cyc_term">TakingABreath</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>. recurring event RepeatedEventType A specialization of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rHIBS0h_TEdaAAABQ2rksLw" class="cyc_term">FirstOrderCollection</a> (q.v.) whose instances are collections of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvViADZwpEbGdrcN5Y29ycA" class="cyc_term">Event</a>s. Each instance of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAuZwpEbGdrcN5Y29ycA" class="cyc_term">RepeatedEventType</a> is a collection of events whose instances tend to come in series or to occur at more or less regular intervals. These series or recurrences might be the result of natural phenomena (e.g. the spoutings of Old Faithful), human convention (e.g. the occurrence of <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVimspwpEbGdrcN5Y29ycA" class="cyc_term">BaseballInning</a>s within a given game), or a combination of both (e.g. the annual celebration of Oktoberfest). <p/> An important specialization of this collection is <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvVkAcpwpEbGdrcN5Y29ycA" class="cyc_term">RegularlyRepeatedEventType</a>. <p/> See also <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvfQN_5wpEbGdrcN5Y29ycA" class="cyc_term">IterativeEvent</a> and <a href="http://sw.opencyc.org/2008/06/10/concept/Mx4rvtSe3pwpEbGdrcN5Y29ycA" class="cyc_term">IterativeEventType</a>.