Non-Deterministic Liveness-Enforcing Supervisor Tolerant to Sensor-Reading Modification Attacks

In this paper, we study the supervisory control problem of discrete event systems assuming that cyber-attacks might occur. In particular, we focus on the problem of liveness enforcement and consider a sensor-reading modification attack(SM-attack) that may disguise the occurrence of an event as that of another event by intruding sensor communication channels. To solve the problem, we introduce non-deterministic supervisors in the paper, which associate to every observed sequence a set of possible control actions offline and choose a control action from the set randomly online to control the system. Specifically, given a bounded Petri net(PN) as the reference formalism and an SMattack, an algorithm that synthesizes a liveness-enforcing nondeterministic supervisor tolerant to the SM-attack is proposed for the first time.

Synthesis of Petri net supervisors enforcing general constraints

This paper deals with the synthesis of Petri net supervisor enforcing the more expressive constraints including marking terms, firing vector terms and Parikh vector terms. The method is developed to handle uncontrollable and unobservable transitions existing in the constraints. The “greater-than or equal” general constraints can also be transformed into “less-than or equal” Parikh constraints. An example is analyzed to show how the problem is solved. General constraint is first transformed into Parikh vector constraints, and Matrix-Transformation is proposed to obtain the admissible constraints without uncontrollable and unobservable transitions. Then the supervisor can be constructed based on constraints only consisting of Parikh vector terms. The method is proved to be more concise and effective than the method presented by Iordache and Moody especially when applied to large scale systems.

The Design of Supervisory Institutions in the Ming Dynasty and Its Enlightenment to Modern Society

The supervisory system and the examination system are two indigenous political systems of China,and the former has a longer history than the latter when it comes to the origin.Having inherited the essence of the supervisory system since the Qin Dynasty,the supervisory rules in the Ming Dynasty opened a new chapter of legal thoughts of monitoring.This paper started with the design of the supervisory institutions in the Ming Dynasty recorded in the historical materials such as the Memoir of Ming Dynasty and The Interpretive Supplements to"The Great Learning",to get a glimpse of the main content of the legal thoughts of supervisory at that time,and tried to"take history as a mirror"to provide insights and lessons of the legal thoughts of supervisory in the Ming Dynasty for the later generations.

A Study on"Fengqiao Experience"from the Perspective of People's Livelihood

The"Fengqiao Experience"has risen from the"local experience"in the early days to the"national experience"now.Although it has gone through twists and turns,it is full of exuberant and strong vitality.Fengqiao Experience is the experience of grass-roots mass governance based on people's livelihood and other factors,so this paper studies the challenges faced by the application of"Fengqiao Experience"and the internal relationship between the experience and people's livelihood from the perspective of people's livelihood and summarizes the realization path of carrying forward the"Fengqiao Experience"from the perspective of people's livelihood.Strengthening the construction of grass-roots Party organizations,taking the mass line and implementing autonomy,rule by virtue and rule by law are the ways to carry forward the"Fengqiao Experience"in the new era,which has certain guiding significance for reality.

The role of trust in supervisor in participative budgeting systems

This study examined the relationship between budget participation and managerial performance as mediated by trust in supervisor and explored the moderating role of budget-goal difficulty on budget participation, trust in supervisor, and managerial performance. One-hundred-fifty-eight useful responses were drawn at random from subordinate managers of manufacturing companies listed on the Taiwan Stock Exchange. The mediating effect of trust in supervisor was examined by path analysis. Subgroup analysis was used to examine the contingency effect of budget-goal difficulty on the mediating role of trust in supervisor between budget participation and performance. The findings support our hypotheses and demonstrate the mediating effect of trust in supervisor and the moderating effect of budget-goal difficulty.

The Effect of Customer Verbal Aggression on Burnout in Frontline Employees in Hotels and Travel Agencies: The Moderating Role of Perceived Supervisor Support

This study aimed to assess the effect of customer verbal aggression(CVA)on job burnout(JB)in frontline employee in both hotels and travel agencies,trying to reveal if there is a difference between both sectors in this context.The study additionally tested the moderation role of perceived supervisor support(PSS)in the relation between customer verbal aggression and burnout in hotels and travel agencies.Two versions of the questionnaire were distributed online.The first among hotels employees and the second was addressed to travel agencies employees;613 were retrieved and analyzed using the version of Spss 23.0.The results showed a significant difference among the level of customer verbal aggression,job burnout,and perceived supervisor support in hotels and travel agencies.Although there was a significant relation between customer verbal aggression and job burnout among frontline employees in both settings,this relationship was moderated by PSS in hotels but not in travel agencies.Eventually,the study concludes with recommendations and practical managerial implications in this regard and it can be considered as a first step for helping practitioners to efficiently manage such a phenomenon.

Research on the Influence of Early Experience on the Growth Rate of Science and Engineering Graduate Supervisors

This research is based on three northeastern double first-class polytechnic universities.A total of 1628 science and engineering graduate supervisors?resumes were referred to from an official website by the random sampling method,of which only 500 supervisors were included in consideration of complete information,key events,and time in terms of the educational background(undergraduate school,graduate school,doctoral school,number of masters,number for Dr.),early work background(number of postdocs,number of overseas visits,numbers of research work),and the growth rate(period from graduation to associate professor title).The higher education background and early work background were defined as early experience,and the database of these 500 science and engineering graduate supervisors with complete resume information from three double first-class universities in northeastern China was established.In this study,the growth rate of the growth period was divided into two at the critical period:the growth rate of the graduate supervisor to associate professors.Through stepwise multiple regression analysis,it was found that higher education background(undergraduate schools,graduate schools,doctoral schools,as well as the number of master's and doctorate degrees)as well as early work background(number of postdoctoral work,research work,and overseas visits)have a significant impact on the growth rate of graduate supervisors to associate professors.

Human Rights Connotations and Its Legal Protection in the Harmonious Coexistence between Humans and Nature

Promoting the unity of human nature and sociality in practice is a fundamental path dependence for achieving people's well-rounded development.Within the context of harmonious coexistence between humans and nature,the practice of the unity of human nature and sociality is allowed to be truly implemented,and people's well-rounded development moves from possibility to reality.Strengthening the protection of human rights for people's well-rounded development in the harmonious coexistence between humans and nature not only requires the expansion of the connotations of environmental rights from“the right to a healthy environment”to“the right to a beautiful environment”,but also necessitates the formation of a collaborative framework between environmental rights and development rights.For legal responses to the expansion of the connotations of environmental rights,it is necessary to implement such expansions in environmental legislation,enhance the underlying principles,and make progress in the development of systematic environmental legislation simultaneously.Regarding the legal promotion of the synergy between environmental rights and development rights,it is essential to follow the guidance of the“Two Mountains Theory,”take the coordinated functions of environmental and traditional legal departments as the basis,and build a legal mechanism for the realization of the value of ecological products and services.

工作不安全感如何影响工作-生活平衡?——一个被调节的链式中介模型

基于资源保存理论,考察工作不安全感对工作-生活平衡的影响机制。对346名企业员工进行两阶段纵向追踪调查,结果表明:(1)工作不安全感对工作-生活平衡有直接负向影响;(2)工作认知失败和消极工作反刍在工作不安全感对工作-生活平衡的负面影响间起到中介作用以及链式中介作用;(3)主管支持感强化工作认知失败与消极工作反刍之间的关系从而调节以上链式中介。研究结果有助于为改善由工作不安全感引发的工作和生活失衡提供启发和对策。

上下级工作与私人关系对员工越轨创新行为的差异性研究

在整合人情-面子理论和资源保存理论的基础上,通过Bootstrapping和RWA-Web两种方法对7家企业的257份多时点追踪调查数据进行分析,比较领导-成员交换关系和上下级私人关系影响员工越轨创新行为的直接效应和中介效应的差异。研究结果表明:领导-成员交换关系正向影响员工越轨创新行为;心理资本分别在领导-成员交换关系或上下级私人关系与员工越轨创新行为间发挥部分或完全中介作用;两类关系对员工越轨创新行为的积极影响存在差异,领导-成员交换关系的效应更强。

护理硕士专业学位研究生双导师制管理方案的构建

为建立护理硕士专业学位双导师制管理方案,对42名教育专家、临床护理专家、研究生导师进行两轮德尔菲专家咨询,最终确立一、二级指标。两轮德尔菲专家咨询的专家积极系数分别为100%(n=42)和90%(n=38),专家权威系数为0.965(>0.70),重要性赋值均数>3.5,第二轮问卷函询所有指标的变异系数为0.11~0.24(<0.25)。最终双导师制管理方案分为5个一级指标、34个二级指标。构建的指标代表性和可信度较高,可为护理硕士专业学位双导师制管理提供标准。

提振士气还是制造焦虑?数字化转型对员工敬业度的双刃剑效应

文章从资源保存理论出发,构筑数字化转型对员工敬业度的影响模型,分析工作成就动机、工作不安全感的中介作用和上级发展性反馈的调节作用。通过对417份企业微观调研数据进行多元线性回归分析与Bootstrap检验发现:第一,数字化转型可以激活工作成就动机,从而提升员工敬业度;第二,数字化转型亦会诱发工作不安全感,从而降低员工敬业度;第三,上级发展性反馈强化了数字化转型与工作成就动机之间的关系,弱化了数字化转型与工作不安全感之间的关系;第四,上级发展性反馈强化了数字化转型通过工作成就动机影响员工敬业度的间接路径,弱化了数字化转型通过工作不安全感影响员工敬业度的间接路径。研究结论揭示了数字化转型对员工情感的双刃剑效应,有助于企业员工的敬业度管理,并为数字化转型战略提供了有益的启示。

论博士研究生教育中导师组机制与导师转换制的实施

近年来,随着博士研究生规模的不断扩大,博士研究生培养质量遇到挑战,一些问题便突显出来,如博士生延期毕业率逐年攀升。在博士研究生培养过程中,学校、学院与导师形成培养共同体,其中导师应是博士研究生培养的第一责任人与具体培养政策执行人。基于博士研究生培养的现状,目前很多实施单一导师制,形成导师与研究生之间的导学共同体,该文通过研究发现师生初始互选的信息错位从而引起导师与学生产生矛盾。为解决这一问题,该文提出以两位及以上导师组成导师组,有利于更加科学地培养具有复合特性的博士生人才,也有利于将导师对博士生第一责任进行分置,减轻导师责任;最后但同样重要的是,实施导师转换制用以解决导师组也无法克服的导学矛盾,以避免引发学校、学院、导师与学生之间产生更严重的矛盾,避免可控的导学问题演化为不可控的恶性纠纷,给学校乃至社会造成恶劣影响。

研究生导学关系现状及其对学业自我效能感的影响

导学关系的建立是人才培养过程中的重要环节,文章以天津市3所高校786名硕士、博士研究生为研究对象进行调查,结果发现:1)自编的用于测量导学关系的《师生亲近度量表》具有较好的信度和效度,运用该量表测量出当前研究生导学关系处于略高于中等的水平,距离构建紧密和谐的师生关系还有一定的发展空间。2)当前研究生的学业自我效能感整体而言处于略高于中等的水平,与理想的研究生学习状态还有较大的差距。3)导学关系的亲近水平对研究生的学业自我效能感有显著影响。结合前两条结论,提示导学关系的亲近水平对研究生的学业自我效能感的影响机制需要进一步研究,以便探明如何通过导学关系亲近度的促进来改善学业状态,提升学业自我效能感。

某三甲医院导师学术领导力评价现状及影响因素研究

目的采用量表法调查某医院导师学术领导力及导学关系现状,并进一步分析此二者之间的关系。方法2020年1-2月间,采用学术导师领导力、苛责行为及“领导-下属”交换关系量表抽样调查该医院在读研究生,组间差异比较采用独立样本t检验、方差分析进行,组间的相关性采用Pearson或Spearman等级相关分析及多元线性回归分析。结果158名在读学生参与调查,受调查者学术导师领导力量表(ASLS)、苛责行为量表(ABMS)、“领导-下属”交换关系量表(LMXS)评分分别为(112.23±19.01)分、(16.26±5.55)分、(29.80±4.94)分,得分率分别为89.80%、21.70%、85.10%。分组比较后发现,不同指导频次导师在ASLS发展和激励维度及LMXS得分差异有统计学意义。导师指导频次与ASLS发展和激励维度及LMXS得分正相关,ABMS与ASLS及LMXS评分负相关,LMXS与ASLS评分正相关。可拟出回归方程ASLS=40.422-0.816ABMS+2.799LMXS(F=52.031、P<0.001、R2=0.722)。结论不同指导频次导师在ASLS发展和激励维度及LMXS得分差异有统计学意义。指导频次正向影响、苛责行为负向影响学术导师领导力及导学关系评分,导学关系正向影响学术领导力评分。呼吁高校相关部门高度重视对导师学术领导力的认识、评价和培养,组织导师培训项目,促进良好导学关系的建立,提高导师的学术领导力。

托幼机构管理者自主选学式培训的作用:以加拿大阿尔伯塔省为例

赋予教育工作者以专业发展自主权被认为是影响培训质量和教育质量的重要一环。在高质量发展背景下托幼机构管理者在参与专业培训时能否实现赋权增能至关重要。基于人力资源管理的AMO理论模型,加拿大阿尔伯塔省的托幼机构管理者自主选学式培训从能力提升、动机激发、机会保障三个维度保障了托幼机构管理者的培训自主权:常态化的培训模式与灵活多样的培训内容与形式,帮助托幼机构管理者提升了专业素养和自主选学能力;自我晋升制度与自我评估机制,帮助托幼机构管理者实现了专业发展的自我驱动力;AECEA专业协会为自主选学式培训提供了规范引领和组织保障,专项经费投入与管理保障了托幼机构管理者自主专业发展的必要条件。自主选学式培训对提升托幼机构管理者专业培训的积极性和有效性具有一定的借鉴意义。

导师视角下博士生培养过程中的挑战与质量控制——基于C大学博士生导师的问卷调查研究

本研究通过对C大学33位博士生导师进行问卷调查,收集博士生导师对博士生科研、学位论文写作、导师指导论文以及论文质量流程控制的评价,分析博士生导师在博士学位论文指导和论文质量控制方面所遇到的挑战,并探讨如何提高博士生培养质量。研究结果表明,导师对博士研究生的科研情况基本认可,但学生科研能力仍存在提升的空间;学生在科研兴趣、理解课题关键问题的能力、创新能力以及知识结构方面需要改进和提升;多数导师认为应完善论文质量控制流程及其相关制度。本研究为进一步提高博士生培养质量提供了有益的参考。

研究生导师在研究生创新能力培养过程中的作用

从研究生导师在研究生创新能力培养中的指导内容、指导时间及频率、导师自身能力等方面,分析了目前我国研究生导师在研究生创新能力培养过程中的作用及存在的主要问题,并分析了这些因素对研究生创新能力形成的影响。针对这些问题和因素,分别在指导内容、指导时间及频率、导师自身业务能力和职业素养能力等方面提出了导师在研究生创新能力培养过程中的作用的建议和启示。同时,对于研究生本身在创新能力提高过程中的作用,给出了相应的建议,为研究生创新能力培养提供了一定的指导。

区域督学队伍建设思考

教育督导是我国教育法规定的一项基本教育制度,督学队伍是开展教育督导工作的最根本和最重要的依靠力量。面对新的历史形势和教育督导体制机制的深化改革情况,分析督学队伍建设的现状与挑战,从任用、管理、培训、角色四个方面,就如何进行督学队伍建设提出建议。

员工跨界何以影响上司支持:上司信任与向上建议寻求的作用

在鼓励合作创新的背景下,员工跨界已然成为组织创新的源泉。尽管既有研究基于行为者视角检验了员工跨界对自身的影响,但其对上司影响如何鲜有研究关注。为此,本研究基于积极人际互动视角,采用情景实验(研究1)与多时点上下级匹配问卷调查(研究2),探讨员工跨界何时以及如何影响上司支持。研究1(N=220)结果表明,员工向上建议寻求水平越高,上司会对跨界员工产生更高程度的认知信任和情感信任,从而给予员工更高水平的人际支持。研究2(N=406)再次表明员工向上建议寻求正向调节员工跨界对上司情感信任的直接作用及其通过情感信任对上司支持的间接作用,但不支持向上建议寻求对上司认知信任路径的调节作用。以上研究结果有助于全面揭示员工跨界对上司支持的影响效应,从而为组织管理员工跨界与维持和谐上下级关系提供理论依据和决策借鉴。