The Crowd Wisdom for Location Privacy of Crowdsensing Photos

2021 ◽  
Vol 5 (3) ◽  
pp. 1-23
Author(s):  
Tongqing Zhou ◽  
Zhiping Cai ◽  
Fang Liu
Keyword(s):  
Location Privacy ◽  
Negative Effects ◽  
Ring Signature ◽  
Visual Sensing ◽  
Crowd Wisdom ◽  
Location Inference ◽  
And Performance ◽  
Protection Capability ◽  
Inference Techniques ◽  
Gains And Losses

The incorporation of the mobile crowd in visual sensing provides a significant opportunity to explore and understand uncharted physical places. We investigate the gains and losses of the involvement of the crowd wisdom on users' location privacy in photo crowdsensing. For the negative effects, we design a novel crowdsensing photo location inference model, regardless of the robust location protection techniques, by jointly exploiting the visual representation, correlation, and geo-annotation capabilities extracted from the crowd. Compared with existing retrieval-based and model-based location inference techniques, our proposal poses more pernicious threats to location privacy by considering the no-reference-photos situations of crowdsensing. We conduct extensive analyses on the model with four photo datasets and crowdsourcing surveys for geo-annotation. The results indicate that being in a crowd of photos will, unfortunately, increase one's risk to be geo-identified, and highlights that the model can yield a considerable high inference accuracy (48%~70%) and serious privacy exposure (over 80% of users get privacy disclosed) with a small portion of geo-annotated samples. In view of the threats, we further propose an adaptive grouping-based signing model that hides a user's track with the camouflage of a crowd of users. Wherein, ring signature is tailored for crowdsensing to provide indistinguishable while valid identities for every user's submission. We theoretically analyze its adjustable privacy protection capability and develop a prototype to evaluate the effectiveness and performance.

Undesirable Effects of Goal Setting on Perceived Fairness, Commitment, and Unethical Behavior

2018 ◽  
Vol 62 (2) ◽  
pp. 97-107 ◽  
Author(s):  
Nina Keith
Keyword(s):  
Goal Setting ◽  
Unethical Behavior ◽  
The United States ◽  
Goal Commitment ◽  
Management Technique ◽  
Long Term Effects ◽  
Perceived Fairness ◽  
Negative Effects ◽  
Positive Effects ◽  
And Performance

Abstract. The positive effects of goal setting on motivation and performance are among the most established findings of industrial–organizational psychology. Accordingly, goal setting is a common management technique. Lately, however, potential negative effects of goal-setting, for example, on unethical behavior, are increasingly being discussed. This research replicates and extends a laboratory experiment conducted in the United States. In one of three goal conditions (do-your-best goals, consistently high goals, increasingly high goals), 101 participants worked on a search task in five rounds. Half of them (transparency yes/no) were informed at the outset about goal development. We did not find the expected effects on unethical behavior but medium-to-large effects on subjective variables: Perceived fairness of goals and goal commitment were least favorable in the increasing-goal condition, particularly in later goal rounds. Results indicate that when designing goal-setting interventions, organizations may consider potential undesirable long-term effects.

scholarly journals Interactive effects of incentive value and valence on the performance of discrete action sequences

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Tyler J. Adkins ◽  
Bradley S. Gary ◽  
Taraz G. Lee
Keyword(s):  
Motor Learning ◽  
Large Body ◽  
Interactive Effects ◽  
Motor Tasks ◽  
Skill Retention ◽  
Incentive Value ◽  
Discrete Action ◽  
On Line ◽  
And Performance ◽  
Gains And Losses

AbstractIncentives can be used to increase motivation, leading to better learning and performance on skilled motor tasks. Prior work has shown that monetary punishments enhance on-line performance while equivalent monetary rewards enhance off-line skill retention. However, a large body of literature on loss aversion has shown that losses are treated as larger than equivalent gains. The divergence between the effects of punishments and reward on motor learning could be due to perceived differences in incentive value rather than valence per se. We test this hypothesis by manipulating incentive value and valence while participants trained to perform motor sequences. Consistent with our hypothesis, we found that large reward enhanced on-line performance but impaired the ability to retain the level of performance achieved during training. However, we also found that on-line performance was better with reward than punishment and that the effect of increasing incentive value was more linear with reward (small, medium, large) while the effect of value was more binary with punishment (large vs not large). These results suggest that there are differential effects of punishment and reward on motor learning and that these effects of valence are unlikely to be driven by differences in the subjective magnitude of gains and losses.

scholarly journals Bacillus subtilis-Based Probiotic Improves Skeletal Health and Immunity in Broiler Chickens Exposed to Heat Stress

Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1494
Author(s):  
Sha Jiang ◽  
Fei-Fei Yan ◽  
Jia-Ying Hu ◽  
Ahmed Mohammed ◽  
Heng-Wei Cheng
Keyword(s):  
Bacillus Subtilis ◽  
Heat Stress ◽  
Broiler Chickens ◽  
Heat Waves ◽  
Stress Sensitivity ◽  
Current Data ◽  
Negative Effects ◽  
Skeletal Health ◽  
Welfare Issue ◽  
And Performance

The elevation of ambient temperature beyond the thermoneutral zone leads to heat stress, which is a growing health and welfare issue for homeothermic animals aiming to maintain relatively constant reproducibility and survivability. Particularly, global warming over the past decades has resulted in more hot days with more intense, frequent, and long-lasting heat waves, resulting in a global surge in animals suffering from heat stress. Heat stress causes pathophysiological changes in animals, increasing stress sensitivity and immunosuppression, consequently leading to increased intestinal permeability (leaky gut) and related neuroinflammation. Probiotics, as well as prebiotics and synbiotics, have been used to prevent or reduce stress-induced negative effects on physiological and behavioral homeostasis in humans and various animals. The current data indicate dietary supplementation with a Bacillus subtilis-based probiotic has similar functions in poultry. This review highlights the recent findings on the effects of the probiotic Bacillus subtilis on skeletal health of broiler chickens exposed to heat stress. It provides insights to aid in the development of practical strategies for improving health and performance in poultry.

scholarly journals A survey of location inference techniques on Twitter

2015 ◽  
Vol 41 (6) ◽  
pp. 855-864 ◽  
Author(s):  
Oluwaseun Ajao ◽  
Jun Hong ◽  
Weiru Liu
Keyword(s):  
Location Inference ◽  
Inference Techniques

Dealing with organizational silos with communities of practice and human resource management

2017 ◽  
Vol 29 (6) ◽  
pp. 473-489 ◽  
Author(s):  
Riitta Forsten-Astikainen ◽  
Pia Hurmelinna-Laukkanen ◽  
Tuija Lämsä ◽  
Pia Heilmann ◽  
Elina Hyrkäs
Keyword(s):  
Communities Of Practice ◽  
Organizational Structures ◽  
Energy Sector ◽  
Negative Effects ◽  
Organizational Boundaries ◽  
Content Type ◽  
Competence Management ◽  
And Performance ◽  
Hr Managers ◽  
Hr Function

Purpose Organizational silos that build on the existing organizational structures are often considered to have negative effects in the form of focus on private narrow objectives and organizational fragmentation. To avoid such harmful outcomes, competence management is called for, and in this, the human resources (HR) function takes a key role. Among other things, it can provide basis for emergence and utilization of communities of practice (CoPs) that build on common interests and effectively cross organizational boundaries. These features of CoPs allow them to carry competences and ease knowledge transfer and to break down the harmful isolation. Quite paradoxically, the challenge is that CoPs can also form within silos, thereby strengthening isolation, and HR as a utility department can itself be particularly prone to the silo effects. Examination of boundaries and silos through an original study conducted in a Finnish energy sector company suggests that HR managers need competences outside their own expertise area and courage to augment their CoPs across the functional boundaries to break out of the HR silo and to assist other functions to do the same. Design/methodology/approach The study is based on qualitative research data gathered in four focus group interviews with HR personnel from an energy sector company in November 2012. Totally, 19 professionals were interviewed (five HR partners, five talent development and performance managers, five vice presidents of HR and four HR managers) in the four focus groups. The company’s HR personnel represented units from Finland, Sweden, Poland and Estonia. Findings Examination of boundaries and silos in the Finnish energy sector suggests that HR managers need competences outside their own field (e.g. knowledge of the business and offerings of the firm) and courage to augment their CoPs across the functional boundaries to break out of the HR silo and to assist other functions to do the same. Originality/value Research provided that CoPs can have different effects on silos. As they are capable of crossing organizational and functional boundaries, they may effectively mitigate adverse silo effects; however, if CoPs are formed within silos, they may strengthen isolation and fragmentation. In addition, utility departments and supporting functions are particularly prone to the risk of CoPs forming within silos. The HR function is one manifestation of this. Paradoxically, it also has the potential to enhance the other type of effects that CoPs can exert, as competence management can be used to foster intentional and self-organizing CoPs that counter silo effects.

scholarly journals Data Control Wars: Collaborative Fiction, Transition Design and Technological Sovereignty

2020 ◽  
pp. 208-239
Author(s):  
Andreu Belsunces Gonçalves ◽  
Grace Polifroni Turtle ◽  
Antonio Calleja ◽  
Raul Nieves Pardo ◽  
Bani Brusadin ◽  
...  
Keyword(s):  
Negative Effects ◽  
Social Imagination ◽  
Sociology Of Expectations ◽  
Data Control ◽  
The Social ◽  
Transition Strategies ◽  
And Performance ◽  
Using Data ◽  
Research Action ◽  
Political Economic

Data Control Wars seeks to explore the development of different futures regarding the extraction, management and exploitation of data and its political, economic and cultural consequences. It has been designed as a research-action device through play, generative conflict, collaborative fiction and performance with three specific objectives: to observe social expectations regarding the relationship between industry, democracy, citizenship and data; to stimulate social imagination through the simulation of sociotechnical scenarios, thus decolonising imaginaries captured by techno-capitalist logic; and to rehearsal transition strategies towards technological sovereignty. This article presents the Data Control Wars case study and explains its functioning. Moreover, it sets out the theoretical scaffolding – which goes from post-human philosophy to critical design passing through the sociology of expectations – that supports it and presents some of the results. After three activations in three different contexts, Data Control Wars has proven useful as an educational tool to address the potential positive and negative effects of using data, as a space for testing strategies on transition design, as a method to identify some of the myths articulated by the social perception of the technological industry and the power of agency that we hold over it and, finally, as a device to question techno-capitalist cultural hegemony through the construction of other stories about what the technosocial body can be.

Performance of Mid-Size Internationalized Indian Firms: Evaluating the Role of Family Control

2019 ◽  
Vol 9 (12) ◽  
pp. 387-400
Author(s):  
Faisal M Ahsan ◽  
Ajay Singal
Keyword(s):  
Multinational Firms ◽  
International Expansion ◽  
Negative Effects ◽  
Family Control ◽  
Listed Firms ◽  
And Performance ◽  
Performance Heterogeneity ◽  
The Impact ◽  
Degree Of Internationalization

The rapidly growing and gradual emergence of multinational firms from the Indian sub-continent now calls for thorough re-understandings of extant theories and existing ideologies of the ‘internationalization’ process. We would initially assess the three-stage model of internationalization in the context of mid-size Indian firms and intend to investigate the relationship between performance and degree of internationalization. Based on the longitudinal dataset (2005-12) of publicly listed firms, our findings suggested that mid-size firms remained stuck up in the first stage of internationalization and accordingly exhibit a downward-sloping relationship between internationalization’s degree and performance. Most of the mid-size firms continued to show a predominantly family-controlled stance, and the impact of family ownership shows negative effects on the degree of internationalization. By examining the performance heterogeneity in family-owned firms towards internationalization, this paper enriches the existing body of research and assume it to be a prolific addition in the literature on international expansion.

Policy Uncertainty and Accounting Quality

2020 ◽  
Author(s):  
Sadok El Ghoul ◽  
Omrane Guedhami ◽  
Yongtae Kim ◽  
Hyo Jin Yoon
Keyword(s):  
Discretionary Accruals ◽  
Policy Uncertainty ◽  
Accounting Quality ◽  
Trading Behavior ◽  
Negative Effects ◽  
Media Freedom ◽  
Market Participants ◽  
Alternative Measures ◽  
And Performance ◽  
Using Data

Using data from 19 countries over the 1990-2015 period, we examine how economic policy uncertainty (EPU) affects accounting quality. We find that accounting quality, measured based on Nikolaev's (2018) model, increases during periods of high policy uncertainty. This relation is confirmed by the negative association between EPU and performance-adjusted discretionary accruals in a multivariate setting, and it extends to various alternative measures of earnings properties. We also find that the positive relation between EPU and accounting quality is more pronounced for government-dependent firms and firms with higher political risk. Additional analyses based on institutional investors' trading behavior, media freedom, and press circulation suggest that market participants' attention is a mechanism through which EPU affects accounting quality. Further, we find evidence that high accounting quality can mitigate the negative effects of EPU on corporate investment and valuation.

Embracing Organizational Trauma

2017 ◽  
pp. 1526-1542
Author(s):  
Mike Szymanski ◽  
Erik Schindler
Keyword(s):  
Organizational Culture ◽  
Organizational Behavior ◽  
Case Studies ◽  
Traumatic Experiences ◽  
Negative Effects ◽  
Organizational Behaviour ◽  
And Performance ◽  
Organizational Trauma ◽  
Near Death Experiences

Organizational trauma is traditionally associated with negative effects on organizational behavior and performance. In this chapter the authors seek to answer the question how organizational trauma, and in particular near-death experiences, can positively influence organizational culture in the long term. In doing so, the authors briefly review the recent literature on organizational trauma and near death experiences, and discuss how these negative traumatic experiences can turn into prosocial organizational behaviour. The authors then present three case studies to illustrate how an organization can manage to incorporate near death experiences into its organizational culture in a positive way.

Business Environment as Key Driver of SME Performance

2021 ◽  
pp. 239-263
Author(s):  
Olalekan Asikhia ◽  
Vannie Naidoo
Keyword(s):  
Organizational Performance ◽  
Performance Management ◽  
Business Environment ◽  
The Body ◽  
Environmental Turbulence ◽  
Market Environment ◽  
Negative Effects ◽  
Body Of Knowledge ◽  
Validated Questionnaire ◽  
And Performance

The chapter established the effects of Nigerian market environment on SMEs performance. An empirical study was conducted with survey research design of 21,444 firms and a sample size of 1,102 was arrived at scientifically. Probability sampling methods were employed. An adapted validated questionnaire, and a 0.82-0.96 reliability coefficients range was used. Inferential statistics were used to analyse the data using SPSS software version 22.0. The findings reveal that Nigerian market environment had significant negative effects on the SME performance. The different components of the Nigerian market environment have different effects on the SME performance. The results imply that the environmental turbulence could be responsible for the high failure rate of SMEs in Nigeria. The study contributes to the body of knowledge on environmental and performance management by noting the criticality of the industry market environment in facilitating organizational performance.

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