Racialized Sexual Discrimination (RSD) and Psychological Wellbeing among Young Sexual Minority Black Men (YSMBM) Who Seek Intimate Partners Online

Introduction Online dating is widespread among young adults, and particularly young sexual minority men. Racialized sexual discrimination (RSD), also known as “sexual racism,” is frequently reported to occur within these digital spaces and may negatively impact the psychological wellbeing of young sexual minority Black men (YSMBM). However, the association between RSD and psychological wellbeing is not well understood. Methods Using data (collected between July 2017–January 2018) from a cross-sectional web-survey of YSMBM (N = 603), six multivariable regression models were estimated to examine the association between five RSD subscales and depressive symptoms and feelings of self-worth. RSD subscales were derived from the first preliminarily validated scale of sexual racism. Results Analyses revealed that White superiority (β = .10, p < .01), same-race rejection (β = .16, p < .001), and White physical objectification (β = .14, p < .01) were all significantly associated with higher depressive symptoms, and White physical objectification (β = -.11, p < .01) was significantly associated with lower feelings of self-worth. Conclusions This study is among the first to examine the relationship between multiple, distinct manifestations of RSD and depressive symptoms and self-worth using quantitative analyses and provides evidence that RSD is negatively associated with psychological wellbeing. Policy Implications Site administrators should institute robust anti-racism policies on their platforms and hold users accountable for discriminatory behavior. Activists may also consider forming coalitions and/or developing campaigns to bring about greater awareness of RSD, in an effort to influence site administrators to enact policy change.

Deploying a new realtime XRootD-v5 based monitoring framework for GridPP

To optimise the performance of distributed compute, smaller lightweight storage caches are needed which integrate with existing grid computing workflows. A good solution to provide lightweight storage caches is to use an XRootD-proxy cache. To support distributed lightweight XRootD proxy services across GridPP we have developed a centralised monitoring framework. With the v5 release of XRootD it is possible to build a monitoring framework which collects distributed caching metadata broadcast from multiple sites. To provide the best support for these distributed caches we have built a centralised monitoring service for XRootD storage instances within GridPP. This monitoring solution is built upon experiences presented by CMS in setting up a similar service as part of their AAA system. This new framework is designed to provide remote monitoring of the behaviour, performance, and reliability of distributed XRootD services across the UK. Effort has been made to simplify ease of deployment by remote site administrators. The result of this work is an interactive dashboard system which enables administrators to access real-time metrics on the performance of their lightweight storage systems. This monitoring framework is intended to supplement existing functionality and availability testing metrics by providing detailed information and logging from a site perspective.

Security Challenges Behind the Development and Increased Use of Open Source Web Content Management Systems

Nowadays the IT market is enriched with free Open Source Web Content Systems offers that are available to all users. No system is perfect, and some of them have better solutions in one segment but are more vulnerable in others and vice versa, all in order to be more user-friendly. The most common form of Content Management System (CMS) implemented on the Internet today is the Web Content Management System(WCMS). This solution includes numerous advantages for site administrators as well as communication with the site designer for all users in order to improve the content, through written remarks, opinions and evaluations of the site content, resulting in a more dynamic and interactive site. This modern approach offers users with a poor IT background the opportunity to be independent and creative in creating their own website. In this paper we present data collected from several websites monitored for various cyber-attacks. Moreover, we will describe and analyze security challenges that follow cyber-attacks. During the monitoring process we followed 15 web addresses over a period of nine months and collected 520 reports of various cyber-attacks. The following analysis presents the different kinds of attacks, their frequency and some of the ways to reduce cyber-attacks to the lowest possible level.

Anomaly detection using Unsupervised Machine Learning for Grid computing site operation

A Grid computing site is composed of various services including Grid middleware, such as Computing Element and Storage Element. Text logs produced by the services provide useful information for understanding the status of the services. However, it is a time-consuming task for site administrators to monitor and analyze the service logs every day. Therefore, a support framework has been developed to ease the site administrator’s work. The framework detects anomaly logs using Machine Learning techniques and alerts site administrators. The framework has been examined using real service logs at the Tokyo Tier2 site, which is one of the Worldwide LHC Computing Grid sites. In this paper, a method of the anomaly detection in the framework and its performances at the Tokyo Tier2 site are reported.

A Lightweight Submission Frontend Toolkit HepJob

A typical HEP Computing Center normally runs at least one batch system. As an example, at IHEP (Institute of High Energy Physics, Chinese Academy of Sciences), we’ve used three batch systems: PBS, HTCondor and SLURM. After running PBS as a local batch system for 10 years, we replaced it by HTCondor (for HTC) and SLURM (for HPC). During that period, problems came up on both user and admin sides. Introduction of the new batch systems implies necessity for users to acquire additional knowledge specific for every batch system, in particular, batch commands. In some cases, users have to use both HTCondor and SLURM in parallel. Furthermore, HTCondor and SLURM provide more functionality, which means more complicated usage mode, compared to the simple PBS commands. On admin side, HTCondor gives more freedom to users, which brings an additional challenge to site administrators. Site administrators have to find the solutions for many problems: preventing users from requesting the resources they are not allowed to use, checking if the required attributes are correct, deciding where requested resources are located (SLURM cluster, the cluster of the virtual machines, the remote sites, etc). To meet the above requirements, HepJob was designed and developed. HepJob provides a set of simple user commands, for example: hep_sub, hep_q, hep_rm, etc. In the submission process, HepJob checks all the attributes and ensures all attributes are correct; assigns proper resources to users (the user and group info is obtained from the management database); routes jobs to the target site; performs other steps as required. Users can start with HepJob very easily and administrators can take the necessary management actions in HepJob.

Phytoremediation with Eichhornia crassipes and Cyperus papyrus in the Llano Dam in the Municipality of Villa del Carbón, State of Mexico

The Llano dam is a body of surface water that has been used as a source of water for irrigation and tourist activities such as rowing and fishing tournaments; This dam is located in the municipality of Villa del Carbón in the State of Mexico and there is a history of contamination by enterobacteria and phosphorus (Razo J. et al; 2016). Due to the mentioned importance of this body of water, the objective of this work was to carry out phytoremediation through the use of islands based on recyclable material (PET) and with the plant species Eichhornia crassipes and Cyperus papyrus. The phytoremediation evaluation was performed over a period of three months considering 3 arm, center and curtain sampling zones. The presence of enterobacteria was evaluated as indicators of microbiological contamination and in terms of physicochemical parameters, temperature, dissolved oxygen, pH, hardness, sulfates, nitrates and phosphates were evaluated. The microbiological results showed absence of enterobacteria in the central area of the body in the last sampling, it should be noted that the behavior of the physicochemical parameters is very variable, the values of nitrates and phosphates are related to the presence of enterobacteria, when modified it has an effect on the microorganisms mentioned above. It is important to note that the lack of environmental education in both site administrators and visitors affected the efficiency of the islands as they were moved to the banks of the dam reducing the contact of the phytoremediation islands with water.

Proposal for Evaluating Workers’ Work Characteristics – Case Study on Business Machinery Production Line –

The General Aptitude Test Battery (GATB) is widely used to evaluate a subject’s cognitive ability for the purpose of selecting appropriate employment. The results of the GATB have been used to place staff in departments ranging from clerical departments to assembly lines. However, at actual manufacturing and assembly sites, workers receive mixed evaluations of “slow work” and “fast work” from the site administrators even though they all have high GATB scores for their jobs. In this study, with the aim of improving job design and employment selection, we do a detailed analysis of the existing GATB method of evaluating work characteristics and worker capacities. We conduct inspection ratings to measure each worker’s ability to adjust their working speeds and analyze the relationship between the GATB score and the worker evaluations. Next, we discover specific motions that explain the evaluation of workers by analyzing worker motions during the GATB. Lastly, we propose a method of determining whether an employee can work quickly in the field.

Securing Financial Transactions on the Internet

Securing payment information on the Internet is challenging work. With proper care, attention to detail, and selection and use of the right tools, e-commerce site administrators can indeed ensure privacy and integrity of data for both their employers and customers alike. Remember that any security solution requires constant attention or it risks becoming a problem in and of itself. Secure payment processing environments rely on careful separation of activities where a “defense in depth” approach can help to shield you from threats coming from the Internet.