Natural Language - Definition and Examples

A natural language is a human language, such as English or Standard Mandarin, as opposed to a  constructed language, an artificial language, a machine language, or the language of formal logic. Also called  ordinary language. The theory of universal grammar proposes that all natural languages have certain underlying rules that shape and limit the structure of the specific grammar for any given language.Natural language processing (also known as computational linguistics) is the scientific study of language from a computational perspective, with a focus on the interactions between natural (human) languages and computers. Observations The term natural language is used in opposition to the terms formal language and artificial language, but the important difference is that natural languages are not actually constructed as artificial languages and they do not actually appear as formal languages. But they are considered and studied as though they were formal languages in principle. Behind the complex and the seemingly chaotic surface of natural languages there are--according to this way of thinking--rules and principles that determine their constitution and functions. . . .(Sà ¶ren Stenlund, Language and Philosophical Problems. Routledge, 1990)Essential Concepts- All languages are systematic. They are governed by a set of interrelated systems that include phonology, graphics (usually), morphology, syntax, lexicon, and semantics.- All natural languages are conventional and arbitrary. They obey rules, such as assigning a particular word to a particular thing or concept. But there is no reason that this particular word was originally assigned to this particular thing or concept.- All natural languages are redundant, meaning that the information in a sentence is signaled in more than one way.- All natural languages change. There are various ways a language can change and various reasons for this change.(C. M. Millward and Mary Hayes, A Biography of the English Language, 3rd ed. Wadsworth, 2011)Creativity and EfficiencyThe apparent fact that the number of utterances in  a natural language is  unbounded is one of its more widely remarked upon properties and a core tenet of modern linguistic theory. The classic argument for creativity uses the idea that one can continually add further adjuncts to sentences to establish that there can be no longest sentence and therefore no finite number of sentences (see Chomsky, 1957). . . .This conventional argument for the creativity of natural language is overly strained: who has actually heard a 500-word sentence? In contrast, anyone who studies [natural lang uage] generation has available a far more reasonable and commonsense account of creativity, namely that one continually uses new utterances because one is continually faced with new situations . . .. The counterbalance to creativity is the efficiency of language (Barwise Perry, 1983): the fact that many utterances do reoccur countless times (e.g., Where did you go for dinner last night?).(David D. McDonald, et al., Factors Contributing to Efficiency in Natural Language Generation.  Natural Language Generation, ed. by  Gerard Kempen. Kluwer, 1987)Natural ImprecisionNatural language is the embodiment of human cognition and human intelligence. It is very evident that natural language includes an abundance of vague and indefinite phrases and statements that correspond to imprecision in the underlying cognitive concepts. Terms such as tall, short, hot, and well are extremely difficult to translate into knowledge representation, as required for the reasoning systems under discussion. Without such precision, symbolic manipulation within the computer is bleak, to say the least. However, without the richness of meaning inherent in such phrases, human communication would be severely limited, and it is therefore incumbent on us (to attempt) to include such facility within reasoning systems . . ..(Jay Friedenberg and Gordon Silverman, Cognitive Science: An Introduction to the Study of Mind. SAGE, 2006) See also CommunicationWhat Is Language?

Future of Nursing - 1041 Words

The Vision for Nursing is a Bright Nur/391 Sharon Berry Facilitator Arlene Leyba December 1, 2014 United ICN, the nurses of all nations speak with one voice. We speak as advocates for all those we serve, and for all the unserved, insisting that prevention, care and cure be the right of every human being. We are in the vanguard of health care progress, shaping health policy around the world through our expertise, the strength of our numbers, the alignment of our efforts, and our collaboration with the public and with other health professionals. This statement identifies for me my vision of our future. We will no longer be held solely to bedside practices. We are ever changing and evolving. In order to look to the†¦show more content†¦By documenting these visits and including the patients history they have the ability to connect with other providers and even the pharmacy all at one time this is a collaborative approach to care. Look at Telehealth it was started in rural communities we are now using this as a way to assist with controlling blood sugar and with frequent monitoring via computer and contacting the doctor right away instead of waiting for the clinic visit we are able to reduce the HBA1c’s of patient in the system. We are using computers for nursing notes. Who participated in the forms surely a nurse helped. There are multiple opportunities for nursing now and in the future our goal must include being proactive by continuing to support our nursing organizations and networking with one another. We must be steadfast in what we are doing today .We must send a message to our legislature that we are here and we are willing to take on the responsibility of what the ANA describes in provision 8 which states the nurse collaborates with other health professionals and the public in promoting community , national, international efforts to meet health needs. And next 8.2 Responsibility to the public to be knowledgeable about the health status of the community and existing threats to health and safety. This includes our natural disasters and our threatsShow MoreRelatedThe Future of Nursing966 Words   |  4 PagesThe Future of Nursing In 2010 the Robert Wood Johnson Foundation (RWJK), a subsidiary of the Institute of Medicine (IOM), issued a report on nursing called, The Future of Nursing: Leading Change, Advancing Health, (http://www.iom.edu/Reports/2010/The-Future-of-Nursig-Leadership-Change-Advancing-Health.aspx). According to the IOM official website, (http://www.iom.edu/), â€Å"†¦the IOM provides independent, objective, evidence-based advice to policy makers, health professional, the private sectorRead MoreThe Future of Nursing999 Words   |  4 PagesFUTURE OF NURSING * SUTHA FERNANDO – DATE: 12-23-2012 GRAND CANYAN UNIVERSITY ABSTRACT The Institute of Medicine has thoroughly analyzed the Future of Nursing and submitted report. 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The Effects of Wolf Predation Free Essays

Abstract: This paper discusses four hypotheses to explain the effects of wolf predation on prey populations of large ungulates. The four proposed hypotheses examined are the predation limiting hypothesis, the predation regulating hypothesis, the predator pit hypothesis, and the stable limit cycle hypothesis. There is much research literature that discusses how these hypotheses can be used to interpret various data sets obtained from field studies. We will write a custom essay sample on The Effects of Wolf Predation or any similar topic only for you Order Now It was concluded that the predation limiting hypothesis fit most study cases, but that more research is necessary to account for multiple predator – multiple prey relationships. The effects of predation can have an enormous impact on the ecological organization and structure of communities. The processes of predation affect virtually every species to some degree or another. Predation can be defined as when members of one species eat (and/or kill) those of another species. The specific type of predation between wolves and large ungulates involves carnivores preying on herbivores. Predation can have many possible effects on the interrelations of populations. To draw any correlations between the effects of these predator-prey interactions requires studies of a long duration, and statistical analysis of large data sets representative of the populations as a whole. Predation could limit the prey distribution and decrease abundance. Such limitation may be desirable in the case of pest species, or undesirable to some individuals as with game animals or endangered species. Predation may also act as a major selective force. The effects of predator prey coevolution can explain many evolutionary adaptations in both predator and prey species. The effects of wolf predation on species of large ungulates have proven to be controversial and elusive. There have been many different models proposed to describe the processes operating on populations influenced by wolf predation. Some of the proposed mechanisms include the predation limiting hypothesis, the predation regulating hypothesis, the predator pit hypothesis, and the stable limit cycle hypothesis (Boutin 1992). The purpose of this paper is to assess the empirical data on population dynamics and attempt to determine if one of the four hypotheses is a better model of the effects of wolf predation on ungulate population densities. The predation limiting hypothesis proposes that predation is the primary factor that limits prey density. In this non- equilibrium model recurrent fluctuations occur in the prey population. This implies that the prey population does not return to some particular equilibrium after deviation. The predation limiting hypothesis involves a density independent mechanism. The mechanism might apply to one prey – one predator systems (Boutin 1992). This hypothesis predicts that losses of prey due to predation will be large enough to halt prey population increase. Many studies support the hypothesis that predation limits prey density. Bergerud et al. (1983) concluded from their study of the interrelations of wolves and moose in the Pukaskwa National Park that wolf predation limited, and may have caused a decline in, the moose population, and that if wolves were eliminated, the moose population would increase until limited by some other regulatory factor, such as food availability. However, they go on to point out that this upper limit will not be sustainable, but will eventually lead to resource depletion and population decline. Seip (1992) found that high wolf predation on caribou in the Quesnel Lake area resulted in a decline in the population, while low wolf predation in the Wells Gray Provincial Park resulted in a slowly increasing population. Wolf predation at the Quesnel Lake area remained high despite a fifty percent decline in the caribou population, indicating that mortality due to predation was not density-dependent within this range of population densities. Dale et al. (1994), in their study of wolves and caribou in Gates National Park and Preserve, showed that wolf predation can be an important limiting factor at low caribou population densities, and may have an anti-regulatory effect. They also state that wolf predation may affect the distribution and abundance of caribou populations. Bergerud and Ballard (1988), in their interpretation of the Nelchina caribou herd case history, said that during and immediately following a reduction in the wolf population, calf recruitment increased, which should result in a future caribou population increase. Gasaway et al. (1983) also indicated that wolf predation can sufficiently increase the rate of mortality in a prey population to preventthe population’s increase. Even though there has been much support of this hypothesis, Boutin (1992) suggests that â€Å"there is little doubt that predation is a limiting factor, but in cases where its magnitude has been measured, it is no greater than other factors such as hunting.† A second hypothesis about the effects of wolf predation is the predation regulating hypothesis, which proposes that predation regulates prey densities around a low-density equilibrium. This hypothesis fits an equilibrium model, and assumes that following deviation, prey populations return to their pre-existing equilibrium levels. This predator regulating hypothesis proposes that predation is a density-dependent mechanism affecting low to intermediate prey densities, and a density-independent mechanism at high prey densities. Some research supports predation as a regulating mechanism. Messier (1985), in a study of moose near Quebec, Canada, draws the conclusion that wolf-ungulate systems, if regulated naturally, stabilize at low prey and low predator population densities. In Messier’s (1994) later analysis, based on twenty-seven studies where moose were the dominant prey species of wolves, he determined that wolf predation can be density-dependent at the lower range of moose densities. This result demonstrates that predation is capable of regulating ungulate populations. Even so, according to Boutin (1992) more studies are necessary, particularly at high moose densities, to determine if predation is regulatory. A third proposal to model the effects of wolf predation on prey populations is the predator pit hypothesis. This hypothesis is a multiple equilibria model. It proposes that predation regulates prey densities around a low-density equilibrium. The prey population can then escape this regulation once prey densities pass a certain threshold. Once this takes place, the population reaches an upper equilibrium. At this upper equilibrium, the prey population densities are regulated by competition for (and or availability of) food. This predator pit hypothesis assumes that predator losses are density-dependent at low prey densities, but inversely density-dependent at high prey densities. Van Ballenberghe (1985) states that wolf population regulation is needed when a caribou herd population declines and becomes trapped in a predator pit, wherein predators are able to prevent caribou populations from increasing. The final model that attempts to describe the effects of predation on prey populations is the stable limit cycle hypothesis. This hypothesis proposes that vulnerability of prey to predation depends on past environmental conditions. According to this theory, individuals of a prey population born under unfavorable conditions are more vulnerable to predation throughout their adult lives than those born under favorable conditions. This model would produce time lags between the proliferation of the predator and the prey populations, in effect generating recurring cycles. Boutin (1992) states that if this hypothesis is correct, the effects of food availability (or the lack of) should be more subtle than outright starvation. Relatively severe winters could have long- term effects by altering growth, production, and vulnerability. Thompson and Peterson (1988) reported that there are no documented cases of wolf predation imposing a long-term limit on ungulate populations independent of environmental influences. They also point out that summer moose calf mortality was high whether predators were present or not, and that snow conditions during the winter affected the vulnerability of calves to predation. Messier (1994) asserts that snow accumulation during consecutive winters does not create a cumulative impact on the nutritional status of deer and moose. All of the four proposed theories mentioned above could describe the interrelationships between the predation of wolves and their usual north american prey of large ungulate species. There has been ample evidence presented in the primary research literature to support any one of the four potential models. The predation limiting hypothesis seems to enjoy wide popular support, and seems to most accurately describe most of the trends observed in predator-prey populations. Most researchers seem to think that more specific studies need to be conducted to find an ideal model of the effects of predation. Bergerud and Ballard (1988) stated â€Å"A simple numbers argument regarding prey:predator ratios overlooks the complexities in multi-predator-prey systems that can involve surplus killing, additive predation between predators, enhancement and interference between predator species, switch over between prey species, and a three-fold variation in food consumption rates by wolves.† Dale et al. (1994) stated that further knowledge of the factors affecting prey switching, such as density-dependent changes in vulnerability within and between prey species, and further knowledge of wolf population response is needed to draw any firm conclusions. Boutin (1992) also proposed that the full impact of predation has seldom been measured because researchers have concentrated on measuring losses of prey to wolves only. Recently, bear predation on moose calves has been found to be substantial, but there are few studies which examine this phenomenon (Boutin 1992). Messier (1994) also pointed out that grizzly and black bears may be important predators of moose calves during the summer. Seip (1992), too, states that bear predation was a significant cause of adult caribou mortality. These points emphasize that multiple-predator and multiple-prey systems are probably at work in the natural environment, and we must not over generalize a one predator – one prey hypothesis in the attempt to interpret the overall trends of the effects of predation of wolves on large ungulate populations. How to cite The Effects of Wolf Predation, Papers

Ruya free essay sample

This case describes and presents the problems faced by Mr.. Rutland, Professor of History at the University of Virginia and founder of the National Jazz Hall of Fame (NJ), In his attempts to gain national recognition for the organization. The NJ has achieved moderate success at a local level but has not attracted the needed national recognition. Basically the NJ was established to maintain a jazz museum in an old Paramount theatre. For doing that he needed funding around 600 000$.In addition o this problem, there are other organizations attempting to form a National Jazz Hall of Fame. Mr.. Rutland is faced with the dilemma of whether to abandon this project or to use some marketing strategies to help succeed. Mr. . Rutland engaged an independent consultant to answer these questions who conducted two national surveys and provided recommendations based on the survey results. SUMMARY OF THE CASE Text Box: Louis Armstrongs is a popular type of music which combines Black Spirituals, African Rhythms, and Cajun music. We will write a custom essay sample on Ruya or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page It began In New Orleans In early sasss ND traveled to SST.Lolls, Kansas City, and Memphis, Chicago and New York and these cities musicians developed local styles of Jazz. Over the years different sounds emerged-swing, big band, bebop, fusion and others. So, according to LOUIS Armstrongs, Jazz Is, If you have to ask what Jazz Is, youll never know. The origin of NJ comes from a local Landmark of Charlottesville, the citys historic district, the Paramount theatre. The Paramount was constructed in sasss used as performance centre and movie theatre. In sasss It was In danger of dilapidated, In ERM of saving Mr..Rutland established a Jazz Hall of fame- that would be used as a museum and performance center capitalize on the theaters name. NJ was incorporated by Mr.. Rutland and his several friends in Charlottesville. They formed board of directors in early 1983. The NJ National Advisory board was consisted of Benny Goodman and Chick Corer. The purpose of NJ was * to establish and maintain a museum, archives and concert centre in Charlottesville to sponsor Jazz festivals, workshop and scholarships and * Text Box: Benny Goodman 1 OFF educating the public on the importance of Jazz in American culture and history.Mr.. Rutland and The board of directors were faced with three difficulties in their fist years effort. 1 . Philanthropic organization refused to make grant because none of the directors were experienced in project like NJ. 2. Government agencies such as National Endowment for the Arts and National Endowment for the Humanities considered only organization in operation for at least two years. 3. Mid 1983, they discovered that to save paramount at least $600,000 would be needed. Best part of 1st years effort was.