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Among used machine learning methods, the gradient descent method is widely used to train various classifiers, such as Back-propagation neural network and linear text classifier. However, the gradient descent method is easily trapped into a local minimum and slowly converges. Thus, this study presents a gradient forecasting search method based on prediction methods to enhance the performance of the gradient descent method in order to develop a more efficient and precise machine learning method for Web mining.However, a prediction method with few sample data items and precise forecasting ability is a key issue to the gradient forecasting search method. Applying statistic-based prediction methods to implement GFSM is unsuitable because they require a large number of data items to model a prediction model. In the contrast with statistic-based prediction methods, GM(1,1) grey prediction model does not need a large number of data items to build a prediction model, and it has low computational load. However, the original GM(1,1) grey prediction model uses a mathematical hypothesis and approximation to transform a continuous differential equation into a discrete difference equation in order to model a forecasting model.
其中梯度法是一个最常被使用来实现机器学习的方法之一,然而梯度法具有学习速度慢以及容易陷入局部最佳解的缺点,因此,本研究提出一个梯度预测搜寻法则(gradient forecasting search method, GFSM)来改善传统梯度法的缺点,用来提升一些以梯度学习法则为基础的分类器在资讯探勘上的效率与正确性;而一个所需资料量少、计算复杂度低且精确的预测模型是梯度预测搜寻法能否有效进行最佳解搜寻之关键因素,传统统计为基础之预测方法的缺点是需要较大量的数据进行预测,因此计算复杂度高,灰色预测模型具有建模资料少且计算复杂度低等优点,然而灰色预测理论以连续之微分方程式为基础,并且透过一些数学上的假设与近似,将连续之微分方程式转换成离散之差分方程式来对离散型资料进行建模及预测,这样的作法不尽合理,且缺乏数学理论上的完备性,因为在转换过程中已经造成建模上的误差,且建模过程仅考虑相邻的两个资料点关系,无法正确反应数列未来的变化趋势。
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IT者网站提供英文翻译,未经授权请勿转载】 On March 11 message,"The new player of 50% above is after the first minute when enter game, dropped with respect to prediction of a person's luck in a given year, operation of gloomy picture, disobliging, dispersive birthplace, the 10th minute when can let this one word begin in the test even is achieved 90%", recently, after column of afterwards history jade, giant network engineers forum begin lecturing the 2nd class," journey " advocate engineer Ji Xuefeng to face your net to swim the issue of new player prediction of a person's luck in a given year with concoctive the thorniest circle, gave out " journey " countermeasure -- village of decisive battle novice.
3月11日消息,"50%以上的新玩家在进入游戏的第一分钟之后,就流失掉了,灰暗的画面、不体贴的操作、分散的出生地,甚至可以让这一数字在测试开始的第10分钟达到90%",近日,继史玉柱之后,巨人网络策划论坛开讲第二课,《征途》主策划纪学锋面对令网游策划圈子最棘手的新玩家流失问题,给出了《征途》的对策——决战新手村。
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The right of divulgation in the internet, means that an author has the right to determinate whether to issue his works publicly by means of the internet, and also may comprehend one kind of static fight that the right man owns by law,but the fight of transmission in the internet is a right that the author and related right men carl enjoy with cable or wireless means to supply their works to the public,causes the public to obtain the works in the fixed time and site.such reflection is the actual condition the authors had achieved the right of divulgation.
网络发表权是指作者决定是否将其作品通过网络公之于众的权利,所反映的是一种待实现状态,也可以理解为是权利人依法享有的一种静态性权利;而网络传输权是指著作权及相关权利人享有以有线或者无线方式向公众提供作品,使公众可以在其个人选定的时间和地点获得作品的权利,其反映的是作者实现发表权的现实状态。
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By Laurie Barclay, MDJanuary 21, 2009 — Success in the primary care setting of either step-up or step-down treatment of new-onset dyspeptic symptoms is similar, but the step-up strategy is more cost effective at 6?months for initial treatment of patients with dyspepsia in primary care, according to the results of a double-blind, randomized controlled trial reported in the January 17 issue of The Lancet .
January 21, 2009 —根据一项刊登在1月17日Lancet的双盲、随机分派研究结果,在初级照护下,以进阶或是降阶治疗新发生消化不良症状的效果是相当的,但是进阶治疗策略对消化不良病患的起始治疗而言,在治疗6个月后更符合经济效益。
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That the most excellent Princess Sophia, Electress and Duchess Dowager of Hanover, daughter of the most excellent Princess Elizabeth, late Queen of Bohemia, daughter of our late sovereign lord King James the First, of happy memory, be and is hereby declared to be the next in succession, in the Protestant line, to the imperial Crown and dignity of the said Realms of England, France, and Ireland, with the dominions and territories thereunto belonging, after His Majesty, and the Princess Anne of Denmark, and in default of issue of the said Princess Anne, and of His Majesty respectively
索非亚公主殿下,女继承人和 Hanover 公爵遗孀 Hanover 公爵夫人,已故的波西米亚女王伊丽莎白公主殿下和我们已故的至高无上的詹姆斯国王一世之女, of happy memory,因此由于安妮公主以及威廉王子的过世,宣布其为新教徒的次序顺为继承人,继承王位以及英格兰,法兰西,爱尔兰,以及其领土
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Since the eighties of the 20th century from nowdays, The Chinese environmental education has qualitative leaps. Especially in recent years, with the issue of "the Implement enchiridion on environmental education of middle and primary schools". It is indicate there are ones own first national-level environment educational guidance files in China, it becomes the indispensable important component in the regular educational field.
从20世纪80年代发展至今,中国的环境教育有了质的飞跃,特别是近几年,随着《中小学环境教育实施指南》的出台,标志着中国有了自己的第一份国家级环境教育指导性文件;标志着环境教育成为了正规教育领域中不可缺少的重要组成部分,是基础教育课程改革的有机体。
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In the industry believe that at this point in time to issue equity funds, for investors in a responsible manner, the new fund sales will be great pressure, but investment opportunities are better .
相信行业,在这个时候发行股票基金的投资者,以负责任的态度,新的基金销售将是巨大的压力,但投资机会更多。
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Many getting on after the supplier of content of Internet bar movie and TV of dimensions is buying copyright of a few film, still do not have the work of movie and TV of copyright in great quantities in the be mingled with in its film library, the Internet bar is to expect to pay fee and avoid copyright issue originally, but this kind of phenomenon brings about an Internet bar to because tort is difficult,escape finally however legal punish.
不少上规模的网吧影视内容供给商在购买一些影片版权后,仍在其影片库中夹杂大量没有版权的影视作品,网吧本来是期望付费而避免版权纠纷,但这种现象导致网吧最终却因侵权难逃法律的制裁。
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In the activity, the related place will establish the fire prevention to prompt the sign, the caution sign safely; The movie theater before the movie will broadcast will broadcast the fire security public welfare piece flower; KTV the place, the Internet bar will install the fire safe evacuation video frequency plug-in unit, the fire caution captions and so on; The LED electron display monitor will issue the fire safe prompt language; The Hotels and the dining place service personnels study the active guidance customer the fire security "three prompts" the content, including before the consumer carries on the expense oral to inform "three prompts" the content, in the guest room places fire safe prompt card and so on.
活动中,相关场所将设置消防安全提示牌、警示牌;电影院在电影播放前将播放消防安全公益片花;KTV场所、网吧将安装消防安全疏散视频插件、消防警示字幕等;LED电子显示屏将发布消防安全提示语;宾馆饭店和餐饮场所服务人员将主动引导顾客学习消防安全"三提示"内容,包括在消费者进行消费前口头告知"三提示"内容,在客房摆放消防安全提示卡等等。
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This article with this issue, Dan Ping Village, a typical local community centre for the study, focusing on local community starting with the perspective of dispute resolution, native community the main types of disputes, the main dispute resolution and dispute settlement has done three ways A more detailed description and analysis, to discuss the folk law and State law; further from this point of law, the rule of law in China from building a high degree of understanding and analysis of local community in the implementation of the rule of law in the process extremely unsuccessful reasons.
本文带着这一问题,以旦平村这样一个典型的乡土社会为考察中心,着重从乡土社会纠纷解决的角度入手,乡土社会纠纷的主要类型,纠纷解决主体和纠纷解决方式三个方面作了较为细致的描述和分析,来讨论民间法与国家法的关系;进而又从国家法这一角度,从我国法治建设这一高度来认识和分析乡土社会中的法治推行过程极其不成功的原因。
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。