Drinking And Dining Philosophers Philosophy Essay

Drinking And Dining Philosophers Philosophy Essay The Dining Philosophers and Drinking Philosophers resolution problems are of very famous and of practical importance in Distributed systems to resolve conflicts between processes. It illustrates the problem of having multiple processes contending for multiple shared resources in the same time. However, the conflict resolution between processes usually happens in favor of some process against the other (victim process). Some solutions allow the processes to enter a deadlock situation and then recover from it by choosing that victim process. In this case, it is very important to make sure that the victim process selection is not always the same to ensure some sort of fairness in the system and prevent starvation from occurring. Other solutions dont allow the system to enter a deadlock situation from the beginning and so prevent the crash from happening at the first place. In this survey paper, we will discuss some of the different proposed solutions to that very famous problem and try to compare between them and find the advantages, disadvantages, and most suitable applications for each one. Introduction: Figure1. Dining Philosophers Problem The dining philosophers problem is a very old problem in concurrent computation. It can be described as having five philosophers sitting at a circular table doing one of two things: either eating or thinking. They sit at the circular table with a bowl of spaghetti in front of each philosopher. A fork is placed between each philosopher and his neighbor. A philosopher must eat with two forks. A philosopher can only use the forks next to him. The philosophers here represent processes in a distributed system. The philosophers never interact or talk to each other (there is no communication between the processes), which brings high possibility of deadlock situation when every philosopher holds a one fork and waits for the other one which is already held by his neighboring philosopher. A deadlock situation means having a set of processes each of which is waiting for one or more resources in order to continue its execution. However, one or more required resources are held by another process in the set forming a cycle in the wait-for graph (a graph connects the set of processes each of which pointing to the process currently holding the required resource). The problem is used to illustrate having a deadlock situation in a distributed system. It reaches a deadlock situation if it reaches a cycle of requests that were not granted. In this case, 1st philosopher is waiting for a fork held by 2nd philosopher, while 2nd one is waiting for a fork held by the 3rd one and so on, making a circular chain of non-granted requests to resources. Starvation is another issue that may occur and should be taken care of when resolving the conflicts between philosophers after reaching a deadlock situation. Starvation in general means to have a specific process utilizing some resource all the time without giving the chance to other processes to use that resource. In this case, the other processes are starving. In dining philosophers problem, this happens by selecting a victim philosopher and suspending him for a small amount of time and then let him try to grab the fork again. Starvation occurs if the same philosopher is always chosen as the victim. This depends on the mechanism used to resolve the conflict and recover from the deadlock situation. Drinking Philosophers Problem is very similar to the Dining philosophers problem with some differentiations. It is assumed that a number of philosophers are sitting next to each other (imagine the same round table as the dining philosophers problem). There is a bottle between each pair of neighboring philosophers. Each philosopher can start drinking at any time (concurrent execution of processes). However, when a drinking session is about to start for a philosopher, he needs a set of bottles. This means that he may need one of the two bottles next to him (on the left or on the right) or he may need both. If he needs both bottles to drink, he cannot start drinking until he grabs both bottles (resources). A solution is needed to this problem to coordinate the requests raised by each philosopher without preventing some special cases from occurring. For example, it may happen that all the philosophers want to drink at the same time and they all ask for the bottle on their left hand side. This is a valid case which should not be prevented by the solution algorithm because this prevents the processes from executing concurrently. There have been a lot of solutions proposed to the dining philosophers problem. One of them is the Waiter solution. It is a simple solution that introduces a waiter at the table. A philosopher who is willing to grab a fork will have to ask for the waiters permission. The waiter acts as the coordinator process since he knows the status of all the philosophers (processes) and the forks (resources) and can decide which request to grant and which request to refuse if it going to allow a deadlock to occur. Another solution is the Resource Hierarchy solution. It works by numbering the resources (forks) from 1 to 5. Each philosopher can start eating by requesting the lower-numbered fork before the higher-numbered one. If granted, he can continue to ask for the higher-numbered fork. When freeing the resources (forks), he will have to free the higher-numbered fork before the lower-numbered one allowing another philosopher who has already grabbed his lower-numbered fork to grab his higher-numbered fork and start eating. One very famous solution to that problem is to not let the philosopher eat unless his two neighboring philosophers are not eating. This is done by letting the philosopher check his right neighbor, if he is not eating, he goes and check his left neighbor, if he is not eating also, then he can start eating by grabbing the two forks. However, it is not that simple because his right neighbor could start eating while he is checking his left neighbor. This is done by using Mutual Exclusion locks (Monitors). Mutual Exclusion algorithms are used in distributed systems to prevent simultaneous use of common resources by using critical sections which are pieces of code that allow the process to access that shared resource without being interrupted by any other process or an event generated by the executing process itself. Monitors are used on the functions that change the Philosophers states so it guarantees that the state of the philosopher wont change while checking the state of the second on e. This solution is very similar to the solution which states that if the philosopher have been able to grab his right fork but could not grab his left fork, he should release the right fork since grabbing it without the left fork has no benefit. In fact, it affects the philosophers right neighbor since he cannot eat because his left fork is grabbed already (without any benefit) while his right fork can be free. In order for this solution to be useful, it is needed to assure that none of the philosophers are starving. This can be done by maintaining a counter for the maximum number of times that a philosopher has been prevented from eating so that a philosopher can be prevented from picking up a fork because his neighbor is starving. In this paper, we will go through different papers that propose different solutions with different characteristics for each one. The first solution was proposed by Chandy and Misra long time ago to let an arbitrary number of agents (philosophers) to be able to contend to an arbitrary number of resources (forks) using a completely distributed starvation-free algorithm. The second one solves the dining philosophers problem in the presence of malicious failures using a combination of stabilization and optimal crash failure locality. The third one solves the dining philosophers problem in the presence of faulty processes in the system with a crash locality 1 using partial synchrony. Chandy / Misra Solution: This solution was proposed in 1984 to support arbitrary number of processes (philosophers) to contend to arbitrary number of resources (forks); not necessarily two forks. The algorithm is totally distributed and requires no central authority after initialization like the solutions mentioned in the introduction part of this paper. Each fork has two states, dirty or clean. Initially, all forks are dirty. Whenever two philosophers try to contend for a fork, give it to the agency with the lower ID with a dirty state at the beginning. Whenever a philosopher wants a resource that is held by another one, he should send request messages to all the philosophers having the resources he needs. When a philosopher gets a request message from a contending one, he should give the fork to him if it is dirty, and keep the fork with him in case it is clean. Whenever a philosopher gives away a fork, he changes its state to be clean and frees the resource. When a philosopher uses a clean fork for eating, it becomes dirty. This solution has other benefits as well. It allows high degree of concurrency and can be used to solve large problems since there is no constraint on the number of processes or resources contended by them in the algorithm. The algorithm also solves the starvation problem by using the clean / dirty states for forks. It acts as a preference to give the fork to the most starved philosopher and delays the philosophers who have just eaten and are requesting the fork again. This algorithm is also called the Hygienic Dining Philosophers algorithm. It is considered one of the fundamental solutions to the dining philosophers problem. It is used as a basis for many other papers and researches to develop more resolution algorithms for the dining and drinking philosophers problem. Dining Philosophers that Tolerate Malicious Crashes: A Malicious Crash is a fault in a process due to a component or environmental failure that will lead to arbitrary behavior in that process by doing a finite number of arbitrary steps and then end all its operations without informing or alerting other processes in the system. The paper models malicious crashes by combining two types of failures, Halting Failures and Transient Failures. A Halting failure occurs when the failed process does not do anything due to the failure. A special case of this failure is the initially dead process where the failed process does not do anything throughout the whole operation of the system. A transient failure perturbs the system for a finite amount of time and then leaves the system in some arbitrary state. Stabilization algorithms are used to solve this type of failures since Stabilizing algorithms are able to start from any arbitrary incorrect state of the system, brings the system to a logically correct state, and makes it continue correct operati on thereafter. a non-malicious crash is called benign crash in this paper. It is assumed in the paper that the system could be asynchronous and though it is stated in other papers that the minimum crash locality that can be achieved in case of crashes in a dining philosophers system is 2 (the distance between the farthest process affected by the crashed process and the crashed process in 2). It is also mentioned that it is very difficult to identify a crashed process from a slow one in an asynchronous system. It is known only if the failure is a fail-stop (a type of Halting Failure where other processes know when that process failed). The algorithm works by introducing a priority between each pair of processes in the dining philosophers system. This is done by assigning a direction for the link between each pair of philosophers. This direction identifies the direct ancestors and descendants of each process in the system. The directed links are assigned in such a way that prevents having cycles in the graph (the graph is acyclic). A hungry process will eat only if its direct ancestors are not hungry (maintaining priorities in the progress condition of the algorithm). Also, when a hungry process is done eating, it changes its priority to become the descendant of all its neighbors by changing the directions of the links. A deadlock is not possible to occur in this case since the algorithm would make sure that the directed links do not form a cycle in the dependency graph. Having a dependency graph may violate the liveness property if having long chains of waiting processes and one of the waiting processes crashes. The liveness property can be violated also if the dependency graph contained a cycle at any point of time. To break the cycle, each process knows about the distance between itself and its farthest descendant. If at any point in time, and in any process, that value exceeded the diameter of the system (the number of processes in the system), then this process detects a cycle and will make itself the descendant of all its neighbors to break that cycle. It is assumed that the diameter of the system is known to all processes when the system starts its operation. Dining Philosophers with Crash Locality 1: Crash Locality is a quantity that refers to the maximum number of neighboring processes affected by a failure that occurred in the crashing process. Optimal crash locality would be 0 (no neighboring processes affected at all) in fully synchronized systems. It usually degrades to crash locality 2 when dealing with asynchronous systems. This algorithm proposes a solution with crash locality 1 (only one neighbor is affected by a process crash) using partial synchrony in the system. Partial synchrony is a mid-level of synchrony between full synchrony and asynchrony. Full synchrony means having all the processes executing the same line of code in the same time. Asynchrony means having no connection or relation of any type between the processes while execution. Partial synchrony means to have reliable channels between the processes without the guarantee of the exact concurrent execution for all the processes. The algorithm reaches its result at the end by having all the hungry processes in the system either eating or having a crashed process in its 1-neighborhood (the processes that are direct neighbor to that process). This is achieved by using the eventually perfect failure detector -P. The failure detector would act as a distributed module where each process has access only to its own local module where it can identify if it has crashed or not. On the other hand, the detector modules communicate with each other to let each process know about the processes which have crashes. The detector may make mistakes. It can suspect a correct process to have crashes (false-positive) or not suspect a crashing process (false-negative). However, after some point, the detector will converge (said to be well-founded) and provide correct information about crashes in the system. After convergence, the detector will remain well-founded thereafter. The algorithm works using the Skepticism concept. This means that the processes within the 1-neighborhood of the crashing process would be skipped (the process is called skeptical). Also, a skeptical process should not prevent its neighbor from eating if this neighbor is hungry and is not the crashing process. In other words, if we have a crashing process, its direct neighbors would be skeptical but the direct neighbors of its direct neighbors should not be affected by the processs crash by this algorithm since our main objective is to limit the crash locality to exactly 1 (only the direct neighbors of the crashing process would be affected by the crash). The algorithm is not a fixed simple list of steps to be executed. It defines a general method for limiting the crash locality to 1 by introducing a set of steps that would depend on the dining algorithm being transformed to support the crash locality condition. However, it uses the same general concept among all the algorithms. The algorithm assumes that each philosopher is in the state of eating, hungry, or thinking. Also, a philosopher wont be eating unless he becomes hungry first. Another thing is that the transition to the thinking state occurs only from the eating state. On the other hand, a philosopher wont prevent his neighbors from eating if he was in the thinking state. This means that if there is a crashing process, and its direct neighbors are being affected by that crash, implementing and insuring that those direct neighbors are in the thinking state wont prevent the other philosophers from eating and so the dining philosophers algorithm will continue its normal execution with only 1-neighborhood philosophers of the crashing philosopher affected by that crash. Comparison: Any dining philosopher solution should maintain the following 2 conditions: Safety: No neighboring philosophers could eat in the same time. No deadlock situation should occur between the philosophers. Liveness: every hungry philosopher will eventually eat (given that no hungry philosopher will eat forever). There are a lot of algorithms that have been introduced in this field. In the previous sections of the paper, we went through 3 different dining philosophers algorithms, Hygienic Algorithm, Dining Philosophers with Crash Locality 1, and Dining Philosophers that tolerate malicious crashes. Each one has its own assumptions and characteristics and so is applicable in some situations or systems that other algorithms are not. The Hygienic algorithm (Chandy / Misra solution) is one of the basic and fundamental solutions to the dining philosophers. Its main advantage is that it implements the prioritization by introducing a variable with 2 possible states for each fork; clean or dirty. This insures the liveness property and that no starvation would occur since the forks would be given to the most starved process in the system. On the other hand, this algorithm does not have any way of tolerating crashes in the system or at least limiting the circle of affected processes by a crash in the system. As a result to that, this algorithm cannot be used in a fault-tolerant system or any system that is due to crashes or failures. The second algorithm in this paper is the Dining Philosophers That Tolerate Malicious Crashes. This algorithm presents a new concept by assuming that the links between the neighboring philosophers are directed which would refer to having priorities between the different processes in the system and so avoid starvation. However, this algorithm adds a very important contribution to the regular dining philosophers algorithm by combining two concepts, Stabilization and Crash Locality. Stabilization in the algorithm works by having a crash in the system (a malicious failure as defined in the paper) and the diners algorithm would continue its execution without being affected by the crash. The crash locality in this algorithm is limited to 2. This means that maximum distance between the crashed process and the farthest affected process by that crash is 2. The algorithm works in asynchronous model of the system where no synchrony of any mean is existing between the processes in the system (every process will execute its code without knowledge about execution of every other process). The third algorithm in this paper is Dining Philosophers with Crash Locality 1. This algorithm uses Failure Detectors. A Failure Detector is a program that will eventually (after multiple runs) identify failures in the processes in the system and can inform all the other processes about the crashed process. By using this failure detector, the algorithm is able to identify the location of the crashed process and so can identify its direct neighbors. Assuming that each process is in the state of eating, thinking, or hungry, it forces the direct neighbors of the crashed process to be in the thinking state in order not to prevent their neighbors from eating and so the processes in the system will continue their execution perfectly. Note that as a part of any dining philosophers algorithm, a process cannot be in the thinking state unless it was in the eating state before. This transition is also maintained by the algorithm. By introducing some additional set of steps to the original dining philosophers algorithm, the new algorithm limits the crash locality to 1 using the previously mentioned mechanism. The additional set of steps added to do that is dependent upon the original algorithm being transformed. The paper provides transformation for 3 main dining philosophers algorithms: Asynchronous Doorway Algorithm, Hierarchical Resource Allocation Algorithm, and Hygienic Dining Philosophers Algorithm which is the first algorithm we talked about in this survey. The algorithm assumes that the system is supported by partial synchrony (not necessarily executing the same step in the same time, but there is a reliable communication channels between neighbors). Conclusion: As discussed in this paper, the dining and drinking philosophers problem is a very old and important problem in the distributed computing field. It was first introduced by Dijkstra and then used by many other researches as a general problem for illustrating mutual exclusion and resource sharing and allocation problem. A lot of algorithms have been introduced to resolve this problem with many options and assumptions which makes each proposed algorithm suitable for specific applications. In this paper, we have introduced the problem with some of the fundamental and very old solutions for it in the Introduction section. Then, we introduced 3 main algorithms for dining philosophers problem resolution. The first one is the Hygienic algorithm (Misra / Chandy solution). It is one of the first algorithms proposed for this problem. It has crash tolerance mechanism but provides priorities between processes and prevents starvation in the system. The second algorithm was a dining philosophers algorithm that tolerates malicious crashes. The algorithm works in an asynchronous system of processes and makes sure that the dining philosophers system wont crash even if a malicious crash hit a process in the system. This is done by having virtual directed links between neighboring processes to have sort of prioritization between the processes provided that the directed links should not form a cycle at all. The third algorithm was the dining philosophers with crash locality 1. This algorithm combines stabilization by allowing the system to have a crashed process while the system continues to operate correctly. Also, it provides a limit on the maximum number of processes affected by any crash in any process (Crash Locality) to be the direct neighbors of the crashing process only without letting the crash affect any other process in the system. At the end, we have combined them together into one section to list the advantages, disadvantages, assumptions, and best suitable application for each algorithm included in this paper in the comparison section.

Globalization Interconnectedness Past and Present Essay

We can go even a further back and argue that globalization, in the logic of a growth in interconnectedness between members of different states, is itself only a special case of something more universal. In medieval Europe most people for most-of the time stayed close to where they were born. They inspired mainly local goods and, primarily, produced either for themselves or for a very local market (Schlossberg H. 1992). Economies were mainly local. Trade over considerable distances took place on water either by sea or river, which accounts for the inconsistent number of towns and villages which were either by the sea or on rivers. Human beings seem to have had a steady urge to detach themselves from the area as much as the technology of the day permitted (J Gray 1992). Certainly there have always been big movements, sometimes of populations looking for better circumstances and of conquerors building empires. Under the Roman Empire, large parts of Europe were ‘globalizing’ in this sense and the degree of globalization declined with the Empire’s retreat. The medieval Church could be seen as several form of globalizing force but the degrees of interaction and interdependence were much reduced in the so-called Dark Ages (Thurow L 1996). Communications are also of significance in considering the ‘nationalization’ of different states. As communications enhanced (which before electronic communication meant, in fact, how fast people could travel), states had much more practical unity. This was mostly true of large states such as Canada and the United States where the railroad meant that people could travel between the major population centers, and numerous of the minor population centers, within two or three days as opposed to weeks. Markets then became national as an instant precursor to becoming international. These changes can all be measured parts of the same process (Herman E and McChesney R 1997). On this view, globalization is a trend which has been going on for centuries, which is undeniably continuing and might be accelerating. In this sense, the present period is not in itself novel. However, Scholte (1997) argues that there is more to globalization than this. For him globalization is not just communication on a global scale but deterritorialisation or superterritorialisation of numerous activities which formerly were tied to some terrain, not as a matter of an accident but as a matter of necessity. Thus, there is efficiently a global stock market. There are twenty-four hours trading in the world as a complete and traders in, say; the Tokyo markets keep a close eye on the London market on a real-time basis. There are differences. Tokyo is not just a postal (or e-mail) address of any implication but these differences are minor compared with the similarities or with the distinctions that existed even thirty years ago. It would most probably be possible to place all the worlds’ stock markets in a single place say on a South Sea island and it would make very little difference. It would perhaps make even less difference if this were to be done in twenty years’ time. (It might be a development. The traders might be so tempted by the sun and the good life that they would spend less time trading. Thus, trade less anxiously, and calm the often totally needless fluctuations in the various financial markets. ) On the other hand, certainly, all the traders could work from home. This is the point. The actual geographical location is trivial (Weiner E. 1992). Basically, Globalization is typically held to be inner to globalizing processes usually with the economic put up as the motor of globalization. This heaves questions not simply about the capability of the nation state to govern and the standing of national companies and economic interests but as well concerning what and who comprises civil society. As suggested by Robertson, the coexistence of nation state and civil society is busted by globalization. This offers the origin for an increase in the power of the market, but as well opens up diverse possibilities for globalize forms of sociality and practices, for what some term globalization from below (Robertson, R. 1992). Here, the connection between state and citizenship might be loosened with people playing a vigorous role in more global networks to address issues of communal concern. National governments become simply a partial focus is still influential for definite forms of popular involvement, as established by such groups as Greenpeace and definite humanitarian groups. Globalization consequently offers possibilities as well as intimidation to the extend of capitalist relations. On the one hand, for example, there is the feminization of labor where: †¦global assembly lines are ‘manned’ by women workers in free trade zones; subcontracted industrial home working is performed at kitchen tables by women who ‘have time on their hands’; home-based teleworking is carried out by women who can’t afford day-care costs and are grateful to have paid work (Manicom and Walters 1997:72). However, practices as well expand that convey together groups pretentious by economic reformation in new ways, such as trade unions support labor and community projects exterior their own national base. Likewise, information and communication technologies (ICTs) can be utilized by contradictory groupings. Affinity groups of ‘senior’ or retired citizens, feminist scholars, individuals who share knowledge on health afflictions, hobbyists, professionals, political organizations and many others are†¦using the Internet to educate, proselytise and organize, cutting across national boundaries with apparent ease. (Goodenow 1996:200) As notions of globalization both from below as well as from above help to reframe some of the varied potential within globalization, they as well present a explicit spatial association that seems to be set within specific binaries of above-below, power-resistance and domination liberation. In other words, this is an idea of globalization already included within specific politics, rather than, a reframing of the political and definitely a resistance to it. Conclusion Thus, to compete effectively, business organizations should develop a technology strategy. Moreover, as the concept of the globalization significantly extends this concept to government; not least by giving it an influential institutional framework, but does not significantly alter its function. The global economy does, though, stand in a different relation to the government since it is no longer neutral. It is still presented as apolitical, and is consequently still understood to be ‘economic’, but it has also become a normative and, certainly, normalizing, reality. The global economy functions in a different way with regard to the government; whilst movements in the world economy have long inclined economic policy within the government, the global economy presented as some new realism forces changes in national policy as a complete. This has the further significance, of forcing the government to distinguish between its proper function with regard to the global future and its function with regard to a sub-national, local past. Through the formation of the competition government, the homogeneity of the national economy though assumed in theory is cooperating in practice. The national private economy ceases to be believable as a homogenous unity and becomes a single but distinguished space. This has, certainly, always been the case, but the mobility of capital and the disintegration of the labor-intensive fordist production systems in the North has grinded the differences between regions of the similar government.

Effects Of The New Deal Coalition - 855 Words

The new deal coalition was the coming up of voting blocks and interest groups such as, blacks, southern democrats and the urban Catholics. It involved a group of government programs which aimed to improve conditions for people who were suffering from depression. Many people were against the coalition because they thought it built up the power held by the government hence promoting capitalism. In opening the method for the new deal coalition, President Herbert Hoover was overpowered by Franklin Roosevelt in the 1932 election. He was against the new deal policy which involved the central government taking accountability for the well-being of the nation by upholding the great levels of economic events. Hoover had issues with Roosevelt because he thought that he was too slow to bring up all the programs in the new deal and the American economy would collapse due to the funding of the program. Some of the amendments which were enacted included the provision of the president with the ways to restart sustainable banks and even regulate them; another bill which was enacted was the cutting of the federal costs through reorganization and even the reduction of veteran’s salaries and pensions. In 1935 the congress enacted the social security bill Act which provided pension to the aged people in the society, benefit to dependent mothers, blind people, crippled children and also unemployed people were also considered in the Act. It also gave financial support to homeowners, smallShow MoreRelatedResolving the Social Problem of Crime1313 Words   |  5 PagesResolving a Social Problem: As mentioned in the first assignment, one of the main social problems in the modern society is crime, which is basically defined as an offense against public law. Since it is a major social problem, crime has significant effects on victims, the society, and social institutions. 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The Problem Of Substance Abuse - 1379 Words

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Horizontal Violence And Its Effects On Nursing - 1656 Words

Horizontal Violence: A Detriment to Nursing Typically, when someone thinks of a bully, childhood memories of scuffles on the playground come to mind. Bullies are not usually people that are associated with adult life. However, nursing has changed this stereotypical view. For many nurses, bullying may be as great a threat every day at work as it was when they were in grade school. This threat is because of what is termed as horizontal or lateral violence in the workplace, and it is a surprisingly, prominent issue in the field of nursing. Furthermore, horizontal violence is a detrimental problem in nursing due to its damaging and negative effects on nurses and the nursing profession as a whole. The Issue First, it is imperative to understand what horizontal violence, lateral violence, or workplace bullying is to become fully aware of this issue’s extent; these terms are often used interchangeably. A commonality among sources is the description of horizontal violence as â€Å"acts of aggression† committed by one coworker against another (Becher Visovsky, 2012, p. 210). Astonishingly, the range of what is considered horizontal violence is vast, and these aggressive acts are revealed in several forms. Some violence is unmistakable such as threatening, name calling, criticizing, or public humiliation; however, other acts are less obvious such as withholding information, eye rolling, silence, and isolation (Becher Visovsky, 2012). Still, other violence includes â€Å"scapegoatingShow MoreRelatedHorizontal Violence And Its Effects On Nursing1942 Words   |  8 PagesHorizontal Violence: A Detriment to Nursing Typically, when someone thinks of a bully, childhood memories of scuffles on the playground come to mind. Bullies are not usually people that are associated with adult life. However, nursing has changed this stereotypical view. For many nurses, bullying may be as great a threat every day at work as it was when they were in grade school. This threat is because of what is termed as horizontal or lateral violence in the workplace, and it is a surprisinglyRead MoreHorizontal Violence in Nursing1512 Words   |  7 Pagesof Horizontal Violence in Nursing Paisley Rojo Gen 200 July 21, 2015 Dr. Davidov The High Cost of Horizontal Violence In nursing, there is a growing concern called, horizontal violence. Horizontal violence is an act of aggression from one nurse to the other. Horizontal violence impedes teamwork, hinders patient care and causes a negative work environment (Becher visovsky,  2012). Even though workplace politics exists in every profession, the effects of horizontal violenceRead MoreHorizontal violence and The Effects on Nurses and Patients Essay1234 Words   |  5 Pages Horizontal violence is not a topic that medical faculties discuss on a day-to-day basis, but it is an enormous problem within the health care system. In this research the author looks at bulling from a registered nurse (r.n.) aspect .The effects on patient centered care can be detrimental for patients and r.n.’s. The work place needs to be a safe place for not only the patients but also the employees. With the rise of new graduate nurses who are employed by the medical facilities, they too areRead MoreThe Effect Of Incivility On Nursing Turnover And Patient Care1640 Words   |  7 PagesThe Effect of Incivility on Nursing Turnover and Patient Care Incivility is an umbrella term used to describe any type of negative behavior directed towards another individual that may impact the way that they behave and/or feel. While incidences of incivility may be visible in most professional careers, it’s significance in nursing has prompted a provisional statement from the American Nurses Association. â€Å"The nurse creates an ethical environment and culture of civility and kindness. Disregard forRead MoreWorkplace Is A Comprehensive Issue Is Not Only Affects A Person s Dignity Essay1458 Words   |  6 PagesISSUES Workplace bullying is a comprehensive issue which not only affects a person’s dignity, but also causes psychological and emotional problems (Park, Cho Hong, 2015). The results of horizontal violence will be job dissatisfaction, physical and psychological stress. The recipient’s of HV will be having sleeping difficulties, low self-confidence and low enthusiasm, feeling isolated from other staff, show depression and utilize lots of sick leave (Longo Sherman, 2007). On a study conducted onRead MoreLateral Violence in the Workplace1270 Words   |  6 PagesLateral violence in the workplace Lona A Smeltzer Southern New Hampshire University Lateral violence in the workplace Abstract This paper explores five published articles as they relate to the concept of Lateral violence (LV) within the nursing profession and how it directly affects the work environment. The concept of LV is also known as abusive behavior, horizontal violence, bullying, aggression, horizontal hostility, verbal abuse or â€Å"nurses eating their young†. There are fourRead MoreVertical Violence And Its Effects On The Nursing Profession1107 Words   |  5 PagesNursing is a profession that is based on the principles of caring and ethics. For years nursing has been continuously ranked as the most trusted profession (Riffkin, 2014). Nurses advocate for patients even if it means standing up to doctors and hospital administrators. Shockingly, for a job rooted in compassion, horizontal violence is a devastatingly common occurrence in the nursing profession. Horizontal violence, or workplace bullying, is defined as repeated incidences of aggressive behaviourRead MoreEssay on Horizontal Viole nce1725 Words   |  7 PagesAbstract Horizontal violence is a negative phenomenon that is increasing significantly in the hospital setting. It is defined as bullying, verbal and physical aggression that occurs to employees in the workforce. Horizontal violence has harmful effects on nurses as it lowers their self- esteem, and makes them feel as if they have no power in their career. This phenomenon also negatively impacts patient centered care and safety as nurses are more vulnerable to making medication errors and carelessRead MoreDoctor Of Nursing Practice Roles1434 Words   |  6 PagesDoctor of Nursing Practice Roles against Workplace Violence in the Nursing Profession Introduction Workplace violence in nursing has become a serious problem that affects the nursing profession in many aspects (Murray, 2009). According to Skehan (2015), there were few studies or documentation about the perception or management of nurse leaders against workplace violence in nursing. Therefore, doctor of nursing practice (DNP) prepared nurses should become the experts in identifying, analyzing, andRead MoreViolence Against Student Nurses and Newly Registered Nurses1070 Words   |  5 PagesViolence against student nurses and newly registered nurses Abstract Workplace violence toward student nurses and newly registered nurses must be eliminated. Nursing students and new nurses are particularly vulnerable to acts of violence. This article discusses the status of the workplace violence of nurses, the effects of violence on students and new nurses, and some strategies can be used to reduce the workplace violence to nurses. Keywords: student nurses, newly registered nurses, workplace

Equality Diversity and Rights Free Essays

As a health and social care professional it is part of your role to understand the bases of discrimination and to make sure you don’t discriminate a individual in any sort of way as it can have a negative effect on the individual leading to further problems. Culture A person’s culture is very important to them and indentifies them who they are. It is important to respect everyone’s culture regardless when they come from, everyone should be treated as an individuals and treated fairly. We will write a custom essay sample on Equality Diversity and Rights or any similar topic only for you Order Now In a health and social care setting it is important at all times to respect an individual’s culture and not to discriminate against them. Disability As a professional you will be working with many people who are different various types of disability, under no circumstances should a disabled person be discriminated against just because of their disability or seen different from everyone else. Many people don’t think about the individual but see the disability first and see them different from the rest which can lead to bullying. Social class Our social class is based on where we live. The higher the class, the better the place is. This can lead to people being discriminated against due to people who don’t have a lot of money and can’t afford some things. Age Age discrimination happens when someone is restricted to do certain things because of their age. In health and social no individuals should be discriminated against because of their age. Age shouldn’t be a problem to anyone; they are still entitled to everything just as everyone else is. An example of this will be an elderly needing an operation but the surgeons saying they can’t undergo the surgery due to their age; this is discriminating against their age and putting them at risk as the surgery may be essential and can maybe save their life. Gender A person may be turned away or discriminated due to their gender. An example may be a male doctor giving better treatment to another male. This is discrimination and everyone should be treated fairly and not be discriminated because of their gender. Sexuality A person can be discriminated due to their sexual orientation. Sexual orientation can refer to a person who is attracted to the same sex. Some people think it’s wrong to be attracted to the same sex so they may start to bully the person or make them feel left out or different from the others. Health status Sometimes decisions have to be made about an individual medical treatment, bearing in mind the cost of the treatment and an individual’s life expectancy. Family status This can lead to a variety of discriminations against gay/lesbian parents, single parents, and parents with different races. An example of this would be a child getting bullied at school due to the fact his dad is gay and is attracted to the same sex. This can have a negative effect on a person and may feel that they are different from the rest. Cognitive Ability Cognitive ability is the way individual processes information in their brain can be the cause of discrimination particularly for those with learning difficulties. Health and social care staff may find them hard and challenging to work with and may apply labels to them. How to cite Equality Diversity and Rights, Papers

Digital Economics Transformation of Global Business

Question: Discuss anout the Digital Economics for Transformation of Global Business. Answer: Introduction The present research study aims to develop an understanding of the growing trend of Uber services among the international students. In this context, the present research proposal provides a brief discussion of the overall research process that will be carried out in the main research work. Research Topic and its Business Significance The present research will be carried out on the topic Growing trend of using Uber services among international students. The research topic is highly significant due to increasing usage of cab services across the world by the people who possess limited options of transportation or do not want to drive by themselves. This research will provide an in-depth understanding of the reasons of the increasing usage of Uber services among the international students. The different types of taxicab services are providing are interesting opportunity for easy travel solutions to such people. In this context, the present research will seek to explore the integration of Uber into the industry of taxicab services .The concept used by Uber is highly convenient for the individuals who are using its ridesharing services. Uber has launched its own app that allows people to book cab for their destination point easily through the use of their mobile phones. The taxicab booked through the app reaches to the users within seconds to conveniently help them to get to their destination point (Dwyer, 2015). Brief Literature Review According to Steinberg (2012) there is increasing trend of taxicabs across metropolitan areas as they provided easy travel solutions to working class of people. The growing concept of ridesharing has revolutionised the taxicab industry as its applications are becoming easier and convenient to get rides in an untraditional manner. The users can easily download the apps in their mobile phones that allow them to take ride according to their needs anytime. Uber has also integrated the concept of ridesharing in its business model for providing easy transportation services to its users. Uber was established in the year 2009 in California as a transportation network company and initially implemented the concept of using licensed taxi drivers for providing ridesharing services to the users. The company later transformed its business model for incorporating the use of non-taxi driving rideshare services. This was done mainly by the company to utilise the concept of mobile application for prov iding a platform to the passengers to direct connect with the drivers of vehicles. The passengers can book the cab from Uber through the mobile application and this also allows them to easily track the location of their vehicle throughout the journey. The drivers within a network use luxury vehicles such as Escalades, BMW 7 Series, Mercedes-Benzs etc for providing transportation services to the passengers. The transportation services as such provided by Uber provide easy travel solutions to the people who do not possess their own vehicles for transportation (Steinberg, 2012). As per the views and opinion of Christensen (2016) the major benefit provided by Uber to the passengers is providing affordable taxicab services. Uber provides transportation services to the people at very reasonable prices so that working class of people can easily utilise such services for resolving their transportation problems. Uber has re-invented its business model to match the changing needs of people in metropolitan areas regarding transportation services. The company places greater emphasis on providing quality services to the customers through offering them convenient ride and also offering varying forms of payments. The company allows passengers to pay the bill through credit cards for providing them easy ride. In addition to this, the company is also providing jobs for drivers and as such it creates employment for the people who are facing difficulty to find work in the city. The company adopt the use of varying channels for promoting their services among the people throu gh conducting various events. This is done through giving community free rides and conducting host awareness meetings for providing information to the people regarding their services. Also, the company is adopting the use of social media channels such as Twitter for spreading awareness regarding their taxicab services for increasing their customer base (Christensen, 2016). Ford (2015) stated that the international students are also increasingly adopting the use of Uber services for transportation due to its affordable prices and convenient ride. The company has maintained the fare for rides affordable to the international students despite of the increasing demand of its services across the world. The students can easily resolve their transportation problem through booking a taxicab from Uber through the use of mobile application and see the appearing of car within minutes before them. Thus, Uber has re-invented and introduced its taxicab services for meeting the changing needs and expectations of the passengers successfully (Ford, 2015). Research questions for the identified problem or opportunity The present research study will seek to answer the following research question What is the perception and usage level of Uber services among international Students? In addition to this, the research study will also explore the following sub-research questions: Why there is growing trend of Uber Services across the world? What are the major success factors contributing to Uber growth internationally? What are the different benefits provided by Uber Services to the international students? Appropriate research methodologies and techniques to use for the research project The research methodology is a very prominent section of the research study as it provides a direction to the overall research process. It organises and conducts the overall research work for achieving a specific answer for the research question (Jackson, 2008). The present research study will incorporate the use of qualitative research methodology for developing an answer to the research problem. Qualitative research methodology involves the collection of both primary and secondary data for evaluating the research topic. Primary data consist of collecting the information about the research topic that is not previously available through the use of quantitative techniques. Secondary data involves collection of information that is already widely available through the use of literature sources for supporting the findings of primary data (Miles, ,Huberman and Saldana, 2013). In this context, the present research will involve the use of exploratory research design to investigate the resear ch topic properly through the use of both primary and secondary sources of information. Also, the present research will implement the use of deductive top-down approach to carry out the overall research process. Deductive approach is referred to as top-down approach as it moves from general topic to more specific one through the application of appropriate research tools (Gliner Morgan, 2000). Project plan using a Gantt Chart clearly defining milestones Research objectives Time Scale Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 to 8 Week 9 to 11 Week 12 to 14 1 Defining Research Aims and Objectives 2 Preparation of questionnaire 3 Collection of information through conduction the survey 4 Collecting information from the secondary sources of data 5 Completion of Literature Review 6 Application of Research Methodologies 7 Completion of data analysis section 8 Recommendation and overall opinion (Final Submission) Description of the research process The research process details out the various steps involved in carrying out the overall research (Crowther Lancaster, 2008). The various steps involved in the present research study are as follows: Introduction: This is the first chapter of the research study that involves developing a research problem that the research study will seek to address. It will provide a general introduction of the research topic and will specify the aims and objectives of the research study. Literature Review: This involves collecting information about the background of the research problem through developing literature review in order to analyse the research topic in detail. It involves selection of literature sources that contains wide information about the research topic. Research methodology: This involves defining the research methods that will be used for carrying out the overall research process. The defining of a specific research methodology is essential in order to provide guidance to the overall research process. The research methodology defining the research design that will be used for conducting the research study. Also, the research methodology section of the research will provide knowledge regarding the research approach that will be used for conducting the research work. It will provide in-depth information regarding the nature of collecting primary and secondary data for the purpose of carrying out the whole research study. Data Analysis: The data analysis section of the research study will incorporate the use of specific technique for analysing the primary and secondary data collected in the research study. It will analyse and examine the primary and secondary data collected through the use of graphical technique for developing a specific answer for the research problem. Conclusion and Recommendation: The last chapter of the research study will summarise the overall findings obtained from the research study and provide a series of recommendations for carrying out the study in future in this context. Data Collections and Analysis Methods In this section collection and actual gathering of data from various sources is done through applying various research methods. In this section various tools and techniques are used for the collection of data and it is converted into information through using the data analysis methods. With the help of appropriate research methods both primary and secondary data can be collected. There are two main data collection methods: Primary data collection and Secondary data collections. Both of these methods provide necessary information that helps to evaluate the research question and provide the valuable judgment (Jackson, 2008). Primary methods of data collection are important sources for information and helps in evaluating the research question. The various primary methods of data collection are interview, questionnaire, survey etc. In this particular research work questionnaire will be used as primary method of data collection as it helps in providing detailed information from the respondents that actually helps in creating the opinion on the research we are carrying out (Kimmel 2007). Questionnaire is most used and well detailed method of data collection that allows respondents to clearly express their views on the particular questions that have been put on questionnaire. As per requirement close ended questions are being put on the questionnaire and send to the selected respondents so they can express their views on particulars questions that will help to evaluate the research questions and make an opinion in conclusion section (Denzin and Lincoln 2000). The major advantage of this method of data collect ion is that it provides satisfactory information on the each research questions that have been defined and all the information generated through use of this method is genuine and purely unused. The main disadvantage of this method is that it is time consuming and involves high cost (Karami ,2007). Secondary methods of data collection are also widely used in any research work as it contains views of previous researchers and scholars (Johnson and Duberley 2000). The major sources of secondary data are books, journals, work of previous researchers etc. All this sources of data can be located from libraries and also from online sources. This method of data collection is easy to use and involves less time and cost. Data analysis is the most important part of any research work as it helps in providing the essence of research to make an opinion on each research questions. In this research work, various statistical methods will be used to evaluate the primary data and to draw the conclusion (Hendricks 2011). In this research work graphical method will be applied to judge the replies from respondents and to make the necessary judgments on research questions. Description of expected research outcomes The present research study will help in gaining an appropriate understanding regarding the factors responsible for increasing usage of Uber services on a global level. The research study will explore the main reasons that are enhancing the use of Uber services in working class of people. The research study specifically provides an answer to the perception and usage of Uber taxicab services among the international students. The research study will provide an insight to the readers about the various benefits of using Uber services for resolving their transportation problems. References Christensen, J. 2016. Digital Economics: The Digital Transformation of Global Business. BoD Books on Demand. Crowther, D. Lancaster, G. 2008. Research Methods: A Concise Introduction to Research in Management and Business Consultancy. Oxford: Butterworth-Heinemann. Denzin, N. and Lincoln, Y. 2000. A Handbook of Qualitative Research. London: Sage. Dwyer, T. 2015. Convergent Media and Privacy. Springer. Ford, M. 2015. The Rise of the Robots: Technology and the Threat of Mass Unemployment. Oneworld Publications. Gliner, J.A. Morgan, G.A. 2000. Research Methods in Applied Settings: An Integrated Approach to Design and Analysis. New Jersey: Routledge. Hendricks, D.W. 2011. Analyzing Quantitative Data: An Introduction for Social Researchers. John Wiley Sons. Jackson, S.L. 2008. Research Methods: A Modular Approach. Cengage Learning. Karami, A. 2007. Strategy Formulation in Entrepreneurial Firms. Ashgate Publishing Ltd. Kimmel, A. 2007. Ethical Issues in Behavioural Research: Basic and Applied Perspectives. Wiley-Blackwell. Miles, M.B., Huberman, A.M. and Saldana, J. 2013. Qualitative Data Analysis: A Methods Sourcebook. SAGE Publications. Steinberg, S. 2012. Business Expert's Guidebook: Small Business Tips, Technology Trends and Online Marketing. Lulu.com.