融入权重的云服务预订协商折中算法

云服务预订协商机制中使用的折中算法直接影响协商的速度,但已有的折中算法并没有考虑历史协商结果对于当前提议的影响,限制了协商的速度。对此,提出融入权重的云服务预订协商折中算法。算法充分考虑历史议题相关性和时间效应对协商提议的影响,协商提议权重的变化采取从历史资源中发掘知识的方法进行动态调整并给出动态权重更新方案。通过构建基于代理的云计算仿真平台,对提出的观点进行验证,证实了此算法具有较快的协商速度。     

国内成品油定价机制的数学建模分析

在现行成品油定价机制遭到广泛质疑的情况下,以全国汽油价格为例,针对当前油价机制的合理性以及油价机制的进一步优化等问题,建立了相关性系数模型、多元非线性回归双对数模型、谱分析法傅立叶函数周期模型、成品油价格上限模型等,对当前油价机制进行评估并建立新的更优化机制．     

引入云模型的改进人口迁移算法

针对人口迁移算法搜索速度较慢,易陷入局部最优的缺点,改进了算法思想,简化了算法步骤,并利用云模型云滴的随机性和稳定倾向性的特点,由基本云发生器实现人口流动操作,提出了一种云人口迁移算法,用于求解具有变量边界约束的非线性的复杂函数最优化问题。实验仿真结果表明,云人口迁移算法具有计算精度较高,搜索速度较快等特点。     

几个常用随机数及其性质的比较

在期权定价问题中,由于对许多期权无法导出期权定价的解析公式,所以人们也常采用蒙特卡罗模拟方法进行数值模拟,获得期权价格的数值解.随机采样是蒙特卡罗和拟蒙特卡罗方法的核心.蒙特卡罗方法和拟蒙特卡罗方法的成功当然取决于随机模型的构造,但很大程度上也取决于模型计算中随机数的性质.     

基于改善我国成品油定价机制的数学模型

针对目前我国成品油定价机制改善的问题建立相应的数学模型.分别采用分类评定模型(logit)进行条件概率估计、最小二乘法拟合等方法、得出成品油价格和国内居民消费价格指数(CPI)的相关性、倒挂问题和迟滞性,并提出改善措施.依据国内外成品油的价格及政策,利用多元回归模型分4个阶段分析了成品油价格.得出以10天为调价周期,2％为调价幅度红线的相关性最高(0.999 9的相关性).此外还根据目前成品油定价机制中的其他问题提出了合理的建议.     

基于情感型消费群的ITMC营销沙盘价格策略探讨

在ITMC市场营销沙盘的六类零售消费群体中,情感型消费群体的交易条件相对独立,这有利于企业掌握定价主动权.文章在分析情感型群体交易条件的基础上,探讨了针对这一消费群体的定价模型,明确了价格的计算方法,并将该定价策略延伸至理智型和习惯型消费群体,有助于沙盘经营者进行价格决策.     

云环境下基于组合双向拍卖的资源定价策略

组合双向拍卖能够均衡买卖双方的利益,提高交易效率。云环境下关于资源组合拍卖问题的研究较少,本文在分析现有定价策略的基础上,提出了一种新的组合资源拍卖模型,并充分考虑了买卖双方价格出现分歧的情况下,如何利用资源的占用情况调节价格,并考虑了冷门资源的处理,在合理定价的同时,能够有效地提高资源的利用率,同时提高客户和供应商的利益。     

基于成本核算政府购买基础教育服务定价方法研究——以购买专业知识型服务为例

在“服务型政府”转型的过程中,购买基础教育服务是政府重要战略内容.以购买专业知识型服务为代表,政府在实践中存在单方面随意定价、缺乏定价标准、“拍脑门”定价、“寻租”等不合理现象,影响政府财政支出效率和服务提供者的参与积极性.理论和实践证明,基于成本核算教育服务价格具有合理性和可行性.为保证定价科学性,成本核算模型中应全面考虑服务提供者的劳动报酬、保证服务提供的日常费用和交易成本.     

云环境下服务发现架构研究

云计算的目的是将一切资源以服务的形式提供给用户,因此云服务发现成为当前云计算技术中的研究热点之一。针对目前云服务发现机制存在的问题,提出了一种基于本体的云服务发现架构,创建了云服务的领域本体。在云服务发现过程中,利用本体概念之间的关联关系,借助推理机构建云服务树。在匹配过程中根据云服务树,提出了Exact、Plugin、Subsum、Fail四种匹配方法。针对本体中概念等价作出相应处理,以解决在云服务领域同一概念可能有多种表述的问题。     

完善政府在工资集体协商中角色定位的思考

政府在工资集体协商中应当被定位为规则制定者、协商服务者、争议的调停者和履行监督者四重角色,目前在政府角色定位方面存在的问题分别是：干预范围失度、相关规定不明;主体培育和信息提供服务缺乏;政府机关之间协调不够,三方统一调停机制滞后;监管理念存在偏差,引导激励性监管措施缺失。应当确立依法干预理念,提高立法位阶,完善相关法律规定;培育工会主体,建立协商信息提供制度;加强三方联合协调,推进调停机制建设,具体调停中防治结合;完善工资集体协商监管制度,引入引导性监管手段。     

卡思卡特城堡

It is worthy of noting that, whilst Crookston Castle witnessed the earlier and happier portion of Mary's variegated life,     

Western and Eastern culture differences in commercial field

The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity.     

只要努力,不要后悔

There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love.     

不同的吃喝玩乐

一、吃和喝吃苹果 eat an apple, 吃药 take medicine,吃糖 have some sweets,吃饭 have one's meals,吃馆子 dine out,吃惊 be surprised/     

漏洞百出的教育

Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help?     

浅谈移民问题

Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject.     

Sister Carrie, an Adherent of Desires

Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities.     

Improvement of one-cycle controller by use of proportional integral differential controller

1.IntroductionOne-cyclecontrolmethod,whichwasproposedaboutonedecadeago[1],hasbecomeanattractivemethodinspecialfieldssuchaspowerfactorcorrection[2-6],switchingamplifiers[7,8],etc.Themainideaofthiscontrollerisbasedonintegrationofdiodevoltageinone-cycleandforcesittobeexactlyequaltothereferencevalue.Themainadvantageofthiscontrollerisitsrealtimeabilitytorejectthevariationofinputvoltage[1].Despitethisgreatability,ithasnogoodperformancesinrejectingofloaddisturbanceandfollowingreferencecommands.Espec…     

风的曲线

Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose.