The Application Research of Outlier Mining Based on Distance Sum Algorithm in Intrusion Detection

入侵检测技术是保证计算机网络安全的核心技术之一，通过收集各种网络数据，从中分析和发现可能的入侵攻击行为。为增强从海量数据中发现攻击行为的能力和提高入侵检测的智能性，将数据挖掘技术应用到入侵检测领域，从而实现智能化的知识发现和建立入侵检测模型。基于数据挖掘的入侵检测是一种重要技术，能够通过无监督的学习过程发现隐藏的模式，具有独立发现知识的能力。 传统的孤立点检测算法存在一些难以克服的障碍，例如算法的参数难以选择影响了检测结果的稳定性，算法在遇到增量数据时难于拓展成增量算法的特性等。本论文主要针对以上问题，对孤立点检测算法进行了研究。 本文对当前的孤立点检测算法进行详细地研究与比较，指出各自的...The intrusion detection technology is one of the core technologies for securing the computer networks. It analysis and finds the possible intrusion attacks by collecting a variety of network data. To enhance the ability to find attacks from huge amounts of data and improve the intelligence of intrusion detection, data mining technology is applied to the intrusion detection area. Then we can establ...学位：工学硕士院系专业：软件学院_计算机软件与理论学号：2432009115201

The Influence Mechanisms of Organizational Structure on Counterproductive Work Behavior——From the Perspective of Psychological Climate

在回顾前人研究的基础上,基于员工心理气氛的视角,分析了组织结构的四个重要维度对员工反生产行为的影响机理。初步提出了一个中介效应理论模型及其相应的研究命题,并对未来理论和实证研究的方向提供了相应的建议。Based on the review of previous studies,this paper analyzes the influence mechanisms of organizational structure on counterproductive work behavior from the perspective of employee psychological climate.It builds up a mediating effect theoretical model and its corresponding research proposition.Meanwhile,points out the direction for further theoretical and empirical research.国家自然科学基金项目(71272206); 教育部人文社会科学青年基金项目(13XJC630012); 教育部人文社会科学规划基金项目(11YJA630057

组织内社会网络影响个体工作绩效的机理——基于角色外行为视角的理论研究

大多数关于个体工作绩效影响因素的研究都聚焦于个体特征和态度层面的微观变量,却忽视了组织特征层面的宏观变量。从角色外行为的视角分析组织内社会网络对个体工作绩效的影响,并提出社会网络影响个体工作绩效的机理,为后续的实证研究提供必要的理论基础

The Organizational Control Strategy against Employee Counterproductive Work Behavior:An Empirical Research from Social Cognitive Perspective

本文基于社会认知的视角探讨中国企业员工反生产行为(CWb)的组织控制策略,采用跨层次分析的方法对27家企业的426名员工进行了实证研究。结果发现:虽然中国企业员工的尽责感和神经质人格特质对其CWb具有显著影响。但是,由于自利和规则导向的组织伦理气氛以及领导公正和信息公正作为重要的组织情境,不仅可以直接对CWb产生显著影响,而且还对人格特质与CWb之间的关系起到复杂的调节作用。因此,中国企业可以综合采用员工人格特质测试、组织伦理气氛培育以及组织公正环境建设等策略来进行员工CWb的组织控制。This article investigate the organizational control strategy of Chinese enterprises employee's counterproductive work behavior( CWB) from the perspective of social cognitive,using cross-level analysis method to do empirical research based on 426 employees from 26 enterprises.The results show that although Chinese employee's conscientiousness and neuroticism personality trait have the significant personality,but instrumentalism and rule oriented ethical climate,leader justice and information justice are very important organizational context,they not only have significant affect to CWB respectively,but also complex moderate the relationships between personality trait and CWB.So,Chinese enterprises can use a variety of strategies to control the employee's CWB such as employee personality test,organizational ethical climate cultivation,organizational justice environment construction,and so on.国家社会科学基金项目(14CGL018); 教育部人文社会科学规划基金项目(11YJA630057); 国家自然科学基金项目(71302175

The Mechanism of Organization Internal Social Network affecting Individual Work Performance——A Study of Interpersonal Citizenship Behavior as Mediator

提高个体工作绩效是人力资源管理活动的根本目的。本文认为,个体在组织内建构的社会网络与人际公民行为不仅能够分别对其工作绩效产生影响,而且由于它们都非常强调个体间的交互作用,所以可以被纳入统一的分析框架。因此,在借鉴SCP分析范式的基础上,本文建构了一个中介效应模型,对个体在组织内建构的社会网络、人际公民行为和工作绩效这三个分别代表结构、行为和绩效的变量之间的关系进行了整合性研究,并利用306个有效样本进行了实证分析。相关研究结果显示:人际公民行为在组织内社会网络影响个体工作绩效的过程中起到了部分中介的作用。这在一定程度上揭示了员工在组织内建构的社会网络影响其个体工作绩效的机理,对企业人力资源管理政策的制定具有启发意义。The purpose of human resouce management is improve individual work performance.Organization internal social network refers to various relationaship structure build by some employe throug social intereaction and interpersonal intereaction in the specific organization,it can affect one's capability to obtai resource in the specific organization.Because there are some scholars begin to admit that the social network build by employee in the organization is one kind of important organizational context,so we can see some papers discuss whether organization internal social network affect individual work performance or not.But,the exist research are almost not sufficient enough because they didn't make clear the mechanism of organization internal social network affect individual work performance.In other word,we don't understand how organization internal social network affect individual work performance,so we cann't apply this theoretical result to human resource management practice.This article believe that both the research of social network and interpersonal citizenship behavior are emphasize the social intereaction and interpersonal interaction between individuals,so,we learn from the SCP analysis paradigm of industrial organization theory,use the relationship between organization internal social network,interpersonal citizenship behavior and individual work performance to construct a mediating effect model.Base on the theoretical model,we proposed four hypotheses,Concretely speaking,hypothesis 1 is the dimensions of organization internal social network have positive coefficient relationship with individual work performance;hypothesis 2 is the dimensions of interpersonal citizenship behavior have positive coefficient relationship with individual work performance;hypothesis 3 is the dimensions of organization internal social network have positive coefficient relationship with the dimensions of interpersonal citizenship behavior;hypothesis 4 is the dimensions of interpersonal citizenship behavior are mediator when organization internal social network affect individual work performance.In order to prove the relevant hypotheses,we ues scientific method measured all of the variables and collect 306 valid questionnaires as the sample.Then,we use hierarchical regression method studied the relationship between the three valuables.The empirical result indicates that both organization internal social network and interpersonal citizenship behavior are positively affect individual work performance,and the most important is that we found interpersonal citizenship behavior play a obviously mediating role when organization internal social network affect individual work performance.This result indicate that people want to create their social network in the specific organization just because it can help them increase work performance.At the same time,the reason why social network can help someone to increase their work performance is just because when a employe create good social network,they will act more interpersonal citizenship behavior inperceptibly or consciously.So,the manager should believe that help subordinate create their organization internal social network is very helpful to encourage their interpersonal citizenship behavior.On the contrary,if the manager be afraid of their subordinate create the organization internal social network because of they worry about the informal organization is difficult to manage,then they lose an good chance to see more interpersonal citizenship behavior.of course,how to help the subordinate create their organization internal social network is another question worth studying in some other papers.国家自然科学基金项目“支持员工创新行为的工作-家庭氛围研究”(71272206); 教育部人文社会科学研究规划基金项目“组织结构变革中的路径依赖与路径突破研究”(11YJA630057

Identification and Characterizati of Bacteria Metabolite of the Site of Caofangtoujiufang

采用形态理化特征分析和16SrRNA基因序列分析方法研究了糟坊头酒坊古窖池中分离到的三株细菌在分类学上的地位;采用气相色谱检测了三株菌液体发酵的代谢产物;采用顶空固相微萃取气相色谱-质谱法检测了三株菌固体发酵的代谢产物。 更多还