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Despite the dangers associated with drink walking, limited research is currently available regarding the factors which influence individuals to engage in this risky behaviour. This study examined the influence of psychosocial factors upon individuals’ intentions to drink walk across four experimental scenarios (and a control condition). Specifically, a 2 × 2 repeated measures design was utilised in which all of the scenarios incorporated a risky pedestrian crossing situation (i.e., a pedestrian crossing against a red man signal) but differed according to the level of group identity (i.e., low/strangers and high/friends) and conformity (low and high). Individuals were assessed for their intentions to drink walk within each of these different scenarios. Undergraduate students (N = 151), aged 17–30 years, completed a questionnaire. Overall, most of the study's hypotheses were supported with individuals reporting the highest intentions to drink walk when in the presence of friends (i.e., high group identity) and their friends were said to be also crossing against the red man signal (i.e., high conformity). The findings may have significant implications for the design of countermeasures to reduce drink walking. For instance, the current findings would suggest that potentially effective strategies may be to promote resilience to peer influence as well as highlight the negative consequences associated with following the behaviour of other intoxicated pedestrians who are crossing against a red signal.  相似文献   
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This study focuses on the relationship and identity changes within and between a project team and its organization following top management intervention in the context of a large international construction project. The study follows the project-as-practice orientation, examining the actions and behaviors of the project team through participant ethnography in the “praxis” of the project site over its entire duration. The longitudinal case allows the examination of the way the transition process established a new governance culture undermining the initial trust-based one and changed it from a virtual absence of mechanisms toward far more potent mechanisms of control, monitoring, and punishment. Simultaneously, the initial stewardship relationships and collectivist identity of the project team shifted toward agency relationships and individualistic identity. The triggers for the transformation process were identified as CEO succession, project failure, top management intervention driven changes in governance mechanisms, and perception of organizational betrayal of the project team.  相似文献   
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本文对银行系统WLAN部署方案进行了深入研究,根据银行系统营业网点场景和业务特点,结合业务模型和计算公式,分析了该场景下的无线覆盖、业务承载、业务安全、认证及运营等方案,旨在指导银行系统WLAN部署实际工程规划和建设.  相似文献   
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This paper explores the use of deep belief networks for authorship verification model applicable for continuous authentication (CA). The proposed approach uses Gaussian units in the visible layer to model real‐valued data on the basis of a Gaussian‐Bernoulli deep belief network. The lexical, syntactic, and application‐specific features are explored, leading to the proposal of a method to merge a pair of features into a single one. The CA is simulated by decomposing an online document into a sequence of short texts over which the CA decisions happen. The experimental evaluation of the proposed method uses block sizes of 140, 280, 500 characters, on the basis of the Twitter and Enron e‐mail corpuses. Promising results are obtained, which consist of an equal error rate varying from 8.21% to 16.73%. Using relatively smaller forgery samples, an equal error rate varying from 5.48% to 12.3% is also obtained for different block sizes.  相似文献   
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How human beings think about, talk about, and organize around sexuality is changing. Growing social legitimization for sexual minority relationships and a more fluid social understanding of sexual identities has shifted how we bound “normal” sexuality. In the workplace, these shifting norms affect employees of all sexual identities who must make sense of new policies and complex daily practices. This paper introduces the concept of co-sexuality, the push-and-pull process of communicatively organizing around sexuality. Using this concept, we take a grounded theory approach to exploring how employees of various sexualities and in different occupations understand “normal” sexuality and subsequently organize around it. Ultimately, participants described being silenced or silencing another to maintain sexual “norms” at work.  相似文献   
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The present work, through an ethnographic study of MySpace (N = 96), examines the ways in which authenticity is accomplished within a labor-exposing space. To maintain authenticity, actors must make invisible the extensive labor of self-presentation. Certain online spaces, such as social network sites and personal interactive homepages, can be thought of as labor-exposing spaces, in that they give actors clear and explicit control over self-representations, making impressions of spontaneity difficult to accomplish ( ,  and ). I discuss and delineate several strategies used by participants to maintain authenticity on MySpace. I conclude that while the priorities of identity processes remain stable over time, the ways in which we accomplish identity are culturally, historically and materially contingent.  相似文献   
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Advanced metering infrastructure (AMI) provides 2‐way communications between the utility and the smart meters. Developing authenticated key exchange (AKE) and broadcast authentication (BA) protocols is essential to provide secure communications in AMI. The security of all existing cryptographic protocols is based on the assumption that secret information is stored in the nonvolatile memories. In the AMI, the attackers can obtain some or all of the stored secret information from memories by a great variety of inexpensive and fast side‐channel attacks. Thus, all existing AKE and BA protocols are no longer secure. In this paper, we investigate how to develop secure AKE and BA protocols in the presence of memory attacks. As a solution, we propose to embed a physical unclonable function (PUF) in each party, which generates the secret values as required without the need to store them. By combining PUFs and 2 well‐known and secure protocols, we propose PUF‐based AKE and BA protocols. We show that our proposed protocols are memory leakage resilient. In addition, we prove their security in the standard model. Performance analysis of both protocols shows their efficiency for AMI applications. The proposed protocols can be easily implemented.  相似文献   
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The worldwide consumption of meat is increasing, especially in developing countries. Many studies have correlated a diet characterised by high intake of processed red meats with a risk of colorectal cancer, stroke, coronary heart diseases and diabetes. Moreover, the quality and safety of meat products may be compromised by several admitted and not admitted procedures (i.e. addition of food additives and/or foreign proteins). For these reasons, the topic ‘meat products’ quality and safety’ has gained much in importance during last few years. In this review, the recent advances in the field of analytical methods for the evaluation of meat adulteration due to the addition of foreign proteins and food additives are reported, compared and critically evaluated. Moreover, the most representative monitoring practices, developed worldwide, related to meats adulteration are described and discussed.  相似文献   
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