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Multi-stage optimisation towards transformation pathways for municipal energy systems 城市能源系统转型路径的多阶段优化
Pub Date : 2023-11-20 DOI: arxiv-2311.11576
Paul Maximilian Röhrig, Nils Körber, Julius Zocher, Andreas Ulbig
An essential facet of achieving climate neutrality by 2045 is thedecarbonization of municipal energy systems. To accomplish this, it isnecessary to establish implementation concepts that detail the timing,location, and specific measures required to achieve decarbonization. Thisrestructuring process involves identifying the measures that offer the mostcompelling techno-economic and ecological advantages. In particular, measuresthat contribute to the interconnection of energy vectors and domains, e.g.heating, cooling, and electricity supply, in the sense of decentralizedmulti-energy systems are a promising future development option. Due to the highcomplexity resulting from a multitude of decision options as well as a temporalcoupling across the transformation path, the use of optimization methods isrequired, which enable a bottom-up identification of suitable transformationsolutions in a high spatial resolution. For the design of reasonable concepts,we develop a multistage optimization problem for the derivation oftransformation pathways in the context of a multi-location structure,expansion, and operation problem. The results show that the heat supply in thefuture will mainly be provided by heat pumps with a share of 60%. It can alsobe shown that an early dismantling of the gas network will lead to the need fortransitional technologies such as pellet heating. Overall, the conversion ofthe municipal energy system can significantly reduce emissions (97%).
到2045年实现气候中和的一个重要方面是城市能源系统的脱碳。为了实现这一目标,有必要建立实施概念,详细说明实现脱碳所需的时间、地点和具体措施。这一重组过程包括确定能够提供最引人注目的技术经济和生态优势的措施。特别是,在分散的多能系统意义上,有助于能源矢量和领域(如加热、冷却和电力供应)互联的措施是一个有前途的未来发展选择。由于大量决策选项以及跨转换路径的时间耦合导致的高度复杂性,需要使用优化方法,从而能够在高空间分辨率下自下而上地识别合适的转换解决方案。为了设计合理的概念,我们开发了一个多位置结构、扩展和运行问题背景下的转换路径推导的多阶段优化问题。结果表明,未来供热将以热泵供热为主,热泵供热占比将达到60%。还可以表明,天然气网络的早期拆除将导致对颗粒加热等过渡技术的需求。总体而言,城市能源系统的转换可以显著减少排放(97%)。
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引用次数: 0
Workforce pDEI: Productivity Coupled with DEI 劳动力pDEI:生产力与DEI相结合
Pub Date : 2023-11-19 DOI: arxiv-2311.11231
Lanqing Du, Jinwook Lee
Ranking pertaining to the human-centered tasks -- underscoring theirparamount significance in these domains such as evaluation and hiring process-- exhibits widespread prevalence across various industries. Consequently,decision-makers are taking proactive measurements to promote diversity,underscore equity, and advance inclusion. Their unwavering commitment to theseideals emanates from the following convictions: (i) Diversity encompasses abroad spectrum of differences; (ii) Equity involves the assurance of equitableopportunities; and (iii) Inclusion revolves around the cultivation of a senseof value and impartiality, concurrently empowering individuals. Data-driven AItools have been used for screening and ranking processes. However, there is agrowing concern that the presence of pre-existing biases in databases may beexacerbated, particularly in the context of imbalanced datasets or theblack-box-schema. In this research, we propose a model-driven recruitmentdecision support tool that addresses fairness together with equity in thescreening phase. We introduce the term ``pDEI" to represent the output-inputoriented production efficiency adjusted by socioeconomic disparity. Taking intoaccount various aspects of interpreting socioeconomic disparity, our goals are(i) maximizing the relative efficiency of underrepresented groups and (ii)understanding how socioeconomic disparity affects the cultivation of aDEI-positive workplace.
与以人为中心的任务相关的排名——强调了它们在评估和招聘过程等领域的最重要意义——在各个行业都很普遍。因此,决策者正在采取积极措施促进多样性,强调公平,推进包容性。他们对这些理想的坚定承诺源于以下信念:(i)多样性包括各种各样的差异;公平包括保证公平的机会;(三)包容围绕着价值观和公正性的培养,同时赋予个人权力。数据驱动的ai工具已用于筛选和排序过程。然而,越来越多的人担心,数据库中存在的预先存在的偏见可能会加剧,特别是在不平衡的数据集或黑盒模式的背景下。在本研究中,我们提出了一个模型驱动的招聘决策支持工具,该工具解决了筛选阶段的公平和公平问题。我们引入“pDEI”一词来表示经社会经济差异调整的产出投入导向的生产效率。考虑到解释社会经济差异的各个方面,我们的目标是(i)最大限度地提高代表性不足群体的相对效率,(ii)了解社会经济差异如何影响adei积极工作场所的培养。
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引用次数: 0
AI Use in Manuscript Preparation for Academic Journals 人工智能在学术期刊稿件准备中的应用
Pub Date : 2023-11-19 DOI: arxiv-2311.14720
Nir Chemaya, Daniel Martin
The emergent abilities of Large Language Models (LLMs), which power toolslike ChatGPT and Bard, have produced both excitement and worry about how AIwill impact academic writing. In response to rising concerns about AI use,authors of academic publications may decide to voluntarily disclose any AItools they use to revise their manuscripts, and journals and conferences couldbegin mandating disclosure and/or turn to using detection services, as manyteachers have done with student writing in class settings. Given these loomingpossibilities, we investigate whether academics view it as necessary to reportAI use in manuscript preparation and how detectors react to the use of AI inacademic writing.
大型语言模型(llm)的新兴能力,为ChatGPT和Bard等工具提供了动力,让人既兴奋又担心人工智能将如何影响学术写作。为了应对对人工智能使用的日益关注,学术出版物的作者可能会决定自愿披露他们用于修改手稿的任何人工智能工具,期刊和会议可能会开始强制披露和/或转向使用检测服务,就像许多教师在课堂上对学生写作所做的那样。鉴于这些迫在眉睫的可能性,我们调查了学者是否认为有必要报告人工智能在手稿准备中的使用,以及探测器如何对人工智能在学术写作中的使用做出反应。
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引用次数: 0
Architecting the Future: A Model for Enterprise Integration in the Metaverse 架构未来:一个用于企业集成的模型
Pub Date : 2023-11-19 DOI: arxiv-2311.11406
Amirmohammad Nateghi, Maedeh Mosharraf
Although it has a history that goes back about three decades, Metaverse hasgrown to be one of the most talked-about subjects today. Metaverse graduallyincreased its influence in the realm of business discourse after initiallybeing restricted to discussions about entertainment. Before getting deep intothe Metaverse, it should be noted that failure and deviating from the businesspath are highly likely for an enterprise that relies heavily on informationtechnology (IT) because of improper use and thinking about IT. The idea ofenterprise architecture (EA) emerged as a management strategy to address thisissue. As the first school of thought of EA, it sought to transform IT from anunnecessary burden in an enterprise to a guiding and supporting force. Then anextended EA model is suggested as a result of the attempt made in this paper touse the idea of EA to steer virtual enterprises on Metaverse-based platforms.Finally, to evaluate the conceptual model and demonstrate that the Metaversecan support businesses, three case studies Decentraland, Battle Infinity, andRooom were utilized.
虽然它的历史可以追溯到大约30年前,但Metaverse已经成为今天最受关注的话题之一。在最初仅限于娱乐话题的讨论之后,虚拟世界在商业话语领域的影响力逐渐增强。在深入了解元界之前,应该注意到,对于严重依赖信息技术(it)的企业来说,由于对it的使用和思考不当,失败和偏离业务路径的可能性很大。企业架构(EA)的概念作为解决这个问题的管理策略而出现。作为EA的第一个思想流派,它试图将it从企业中不必要的负担转变为指导和支持力量。在此基础上,提出了一种扩展的EA模型,尝试用EA的思想来指导基于meta平台的虚拟企业。最后,为了评估概念模型并证明Metaversecan能够支持企业,我们使用了三个案例研究:Decentraland, Battle Infinity和andRooom。
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引用次数: 0
"Centralized or Decentralized?": Concerns and Value Judgments of Stakeholders in the Non-Fungible Tokens (NFTs) Market “中心化还是去中心化?”:不可替代代币(nft)市场中利益相关者的担忧和价值判断
Pub Date : 2023-11-18 DOI: arxiv-2311.10990
Yunpeng Xiao, Bufan Deng, Siqi Chen, Kyrie Zhixuan Zhou, Ray LC, Luyao Zhang, Xin Tong
Non-fungible tokens (NFTs) are decentralized digital tokens to represent theunique ownership of items. Recently, NFTs have been gaining popularity and atthe same time bringing up issues, such as scams, racism, and sexism.Decentralization, a key attribute of NFT, contributes to some of the issuesthat are easier to regulate under centralized schemes, which are intentionallyleft out of the NFT marketplace. In this work, we delved into thiscentralization-decentralization dilemma in the NFT space through mixedquantitative and qualitative methods. Centralization-decentralization dilemmais the dilemma caused by the conflict between the slogan of decentralizationand the interests of stakeholders. We first analyzed over 30,000 NFT-relatedtweets to obtain a high-level understanding of stakeholders' concerns in theNFT space. We then interviewed 15 NFT stakeholders (both creators andcollectors) to obtain their in-depth insights into these concerns and potentialsolutions. Our findings identify concerning issues among users: financialscams, counterfeit NFTs, hacking, and unethical NFTs. We further reflected onthe centralization-decentralization dilemma drawing upon the perspectives ofthe stakeholders in the interviews. Finally, we gave some inferences to solvethe centralization-decentralization dilemma in the NFT market and thought aboutthe future of NFT and decentralization.
不可替代代币(nft)是分散的数字代币,代表物品的唯一所有权。最近,nft越来越受欢迎,同时也引发了诸如诈骗、种族主义和性别歧视等问题。去中心化是NFT的一个关键属性,它导致了一些在中心化方案下更容易监管的问题,这些问题被故意排除在NFT市场之外。在这项工作中,我们通过定量和定性混合的方法深入研究了NFT空间中的这种集中-分散困境。集权-分权困境是分权的口号与利益相关者的利益冲突所造成的困境。我们首先分析了超过30,000条与nft相关的推文,以获得对nft空间中利益相关者关注点的高层次理解。然后我们采访了15个NFT利益相关者(创建者和收集者),以获得他们对这些问题和潜在解决方案的深入见解。我们的研究结果确定了用户关注的问题:金融诈骗、伪造的nft、黑客攻击和不道德的nft。我们在访谈中借鉴了利益相关者的观点,进一步反思了集权-分权的困境。最后给出了解决NFT市场集中-分散困境的一些推论,并对NFT和分散的未来进行了思考。
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引用次数: 0
Optimal Investment and Fair Sharing Rules of the Incentives for Renewable Energy Communities 可再生能源社区激励的最优投资与公平分担规则
Pub Date : 2023-11-18 DOI: arxiv-2311.12055
Almendra Awerkin, Paolo Falbo, Tiziano Vargiolu
The focus on Renewable Energy Communities (REC) is fastly growing after theEuropean Union (EU) has introduced a dedicated regulation in 2018. The idea ofcreating local groups of citizens, small- and medium-sized companies, andpublic institutions, which self-produce and self-consume energy from renewablesources is at the same time a way to save money for the participants, increaseefficiency of the energy system, and reduce CO$_2$ emissions. Member statesinside the EU are fixing more detailed regulations, which describe, how publicincentives are measured. A natural objective for the incentive policies is ofcourse to promote the self-consumption of a REC. A sophisticated incentivepolicy is that based on the so called 'virtual framework'. Under this frameworkall the energy produced by a REC is sold to the market, and all the energyconsumed must be paid to retailers: self-consumption occurs only 'virtually',thanks a money compensation (paid by a central authority) for every MWhproduced and consumed by the REC in the same hour. In this context, twoproblems have to be solved: the optimal investment in new technologies and afair division of the incentive among the community members. We address theseproblems by considering a particular type of REC, composed by a representativehousehold and a biogas producer, where the potential demand of the community isgiven by the household's demand, while both members produce renewable energy.We set the problem as a leader-follower problem: the leader decide how to sharethe incentive for the self-consumed energy, while the followers decide theirown optimal installation strategy. We solve the leader's problem by searchingfor a Nash bargaining solution for the incentive's fair division, while thefollower problem is solved by finding the Nash equilibria of a staticcompetitive game between the members.
在欧盟(EU)于2018年推出专门法规后,对可再生能源社区(REC)的关注正在迅速增长。建立由当地居民、中小企业和公共机构组成的团体,自行生产和使用可再生能源,同时为参与者节省资金,提高能源系统的效率,减少二氧化碳排放。欧盟成员国正在制定更详细的法规,描述如何衡量公共激励。激励政策的自然目标当然是促进REC的自我消费。一个复杂的激励政策是基于所谓的“虚拟框架”。在这个框架下,REC生产的所有能源都出售给市场,所有消耗的能源都必须支付给零售商:由于REC在同一小时内生产和消耗的每兆瓦电力都有货币补偿(由中央当局支付),因此自我消费只发生“虚拟”。在此背景下,必须解决两个问题:对新技术的最优投资和社区成员之间激励的公平分配。我们通过考虑一种特定类型的REC来解决这些问题,该REC由一个有代表性的家庭和一个沼气生产商组成,其中社区的潜在需求由家庭的需求给出,而双方成员都生产可再生能源。我们将问题设置为一个领导-追随者问题:领导者决定如何分享自己消耗的能量的激励,而追随者决定自己的最优安装策略。我们通过寻找激励公平分配的纳什议价解来解决领导者问题,而通过寻找成员之间静态竞争博弈的纳什均衡来解决追随者问题。
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引用次数: 0
Research on the Dynamic Evolution and Influencing Factors of Energy Resilience in China 中国能源弹性的动态演化及影响因素研究
Pub Date : 2023-11-18 DOI: arxiv-2311.10987
Tie Wei, Youqi Chen, Zhicheng Duan
Energy security is the guarantee for achieving the goal of carbon peaking andcarbon neutrality, and exploring energy resilience is one of the important waysto promote energy security transition and adapt to changes in international anddomestic energy markets. This paper applies the combined dynamic evaluationmethod to measure China's energy resilience level from 2004-2021, analyses thespatio-temporal dynamic evolution of China's energy resilience through thecenter of gravity-standard deviation ellipse and kernel density estimation, andemploys geo-detectors to detect the main influencing factors and interactionsof China's energy resilience. The study finds that:(1)China's energy resiliencelevel generally shows a zigzagging forward development trend, and the spatialimbalance characteristic of China's energy resilience is more obvious.(2)Thespatial dynamics of China's energy resilience level evolves in anortheast-southwest direction, and the whole moves towards the southwest, withan overall counterclockwise trend of constant offset.(3)When the energyresilience level of neighboring provinces is too low or too high, it has littleeffect on the improvement of the energy resilience level of the province; whenthe energy resilience level of neighboring provinces is 1-1.4, it has apositive spatial correlation with the energy resilience level of the province,and the synergistic development of the provinces can improve the energyresilience level together.(4)GDP, the number of employees, the number ofemployees enrolled in basic pension and medical insurance, and the number ofpatent applications in high-tech industries have a more significant impact onChina's energy resilience, while China's energy resilience is affected by theinteraction of multiple factors.
能源安全是实现碳调峰和碳中和目标的保障,探索能源弹性是促进能源安全转型、适应国际国内能源市场变化的重要途径之一。本文采用联合动态评价方法对2004-2021年中国能源弹性水平进行测度,通过重心-标准差椭圆和核密度估计分析中国能源弹性的时空动态演变,并利用地球探测器探测中国能源弹性的主要影响因素及其相互作用。研究发现:(1)中国能源弹性水平总体呈“之”字形向前发展趋势,中国能源弹性的空间不平衡特征更为明显;(2)中国能源弹性水平的空间动态呈东北-西南方向演进,整体向西南方向移动,总体呈逆时针方向恒定偏移;对全省能源弹性水平的提高影响不大;当邻近省份的能源弹性水平为1 ~ 1.4时,与该省的能源弹性水平存在正空间相关性,且各省之间的协同发展可以共同提升能源弹性水平。(4)GDP、从业人员数量、参加基本养老和医疗保险的员工数量、高技术产业专利申请量对中国能源弹性的影响更为显著。而中国的能源弹性受多种因素的相互作用影响。
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引用次数: 0
Religious Competition, Culture and Domestic Violence: Evidence from Colombia 宗教竞争、文化与家庭暴力:来自哥伦比亚的证据
Pub Date : 2023-11-17 DOI: arxiv-2311.10831
Hector Galindo-Silva, Guy Tchuente
This paper studies how religious competition, as measured by the emergence ofreligious organizations with innovative worship styles and cultural practices,impacts domestic violence. Using data from Colombia, the study estimates atwo-way fixed-effects model and reveals that the establishment of the firstnon-Catholic church in a predominantly Catholic municipality leads to asignificant decrease in reported cases of domestic violence. This effectpersists in the long run, indicating that religious competition introducesvalues and practices that discourage domestic violence, such as householdstability and reduced male dominance. Additionally, the effect is morepronounced in municipalities with less clustered social networks, suggestingthe diffusion of these values and practices through social connections. Thisresearch contributes to the understanding of how culture influences domesticviolence, emphasizing the role of religious competition as a catalyst forcultural change.
本文研究了宗教竞争如何影响家庭暴力,以具有创新崇拜风格和文化习俗的宗教组织的出现为衡量标准。利用哥伦比亚的数据,该研究估计了双向固定效应模型,并揭示了在一个以天主教为主的城市建立第一个非天主教教堂导致报告的家庭暴力案件显著减少。这种影响长期存在,表明宗教竞争引入了阻止家庭暴力的价值观和做法,例如家庭稳定和减少男性主导地位。此外,这种影响在社会网络聚集较少的城市中更为明显,这表明这些价值观和做法通过社会关系传播。这项研究有助于理解文化如何影响家庭暴力,强调宗教竞争作为文化变革催化剂的作用。
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引用次数: 0
First, Do No Harm: Algorithms, AI, and Digital Product Liability 第一,不伤害:算法、人工智能和数字产品责任
Pub Date : 2023-11-17 DOI: arxiv-2311.10861
Marc J. Pfeiffer
The ethical imperative for technology should be first, do no harm. Butdigital innovations like AI and social media increasingly enable societalharms, from bias to misinformation. As these technologies grow ubiquitous, weneed solutions to address unintended consequences. This report proposes a modelto incentivize developers to prevent foreseeable algorithmic harms. It doesthis by expanding negligence and product liability laws. Digital productdevelopers would be incentivized to mitigate potential algorithmic risks beforedeployment to protect themselves and investors. Standards and penalties wouldbe set proportional to harm. Insurers would require harm mitigation duringdevelopment in order to obtain coverage. This shifts tech ethics from move fastand break things to first, do no harm. Details would need careful refinementbetween stakeholders to enact reasonable guardrails without stiflinginnovation. Policy and harm prevention frameworks would likely evolve overtime. Similar accountability schemes have helped address workplace,environmental, and product safety. Introducing algorithmic harm negligenceliability would acknowledge the real societal costs of unethical tech. Thetiming is right for reform. This proposal provides a model to steer the digitalrevolution toward human rights and dignity. Harm prevention must be prioritizedover reckless growth. Vigorous liability policies are essential to stoptechnologists from breaking things
技术的伦理责任应该放在第一位,不要造成伤害。但人工智能和社交媒体等数字创新越来越多地造成社会危害,从偏见到错误信息。随着这些技术变得无处不在,我们需要解决方案来解决意想不到的后果。本报告提出了一个模型来激励开发人员防止可预见的算法危害。它通过扩大过失和产品责任法来做到这一点。数字产品开发人员将受到激励,在部署之前降低潜在的算法风险,以保护自己和投资者。标准和处罚将与损害成正比。保险公司将要求在开发过程中减少损害,以便获得保险。这将把技术伦理从快速行动和打破事物转变为首先,不伤害。细节需要在利益相关者之间进行仔细的完善,以便在不扼杀创新的情况下制定合理的保护措施。政策和预防伤害框架可能会随着时间的推移而演变。类似的问责制有助于解决工作场所、环境和产品安全问题。引入算法损害可忽略性将承认不道德技术的真正社会成本。这一提议提供了一个模式,引导数字革命走向人权和尊严。必须优先考虑危害预防,而不是不计后果的增长。强有力的责任政策对于阻止技术人员破坏东西至关重要
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引用次数: 0
Unveiling spatial patterns of population in Italian municipalities 揭示意大利城市人口的空间格局
Pub Date : 2023-11-17 DOI: arxiv-2311.10520
Davide Fiaschi, Angela Parenti, Cristiano Ricci
We study the evolution of population density across Italian municipalities onthe based of their trajectories in the Moran space. We find evidence of spatialdynamical patterns of concentrated urban growth, urban sprawl, agglomeration,and depopulation. Over the long run, three distinct settlement systems emerge:urban, suburban, and rural. We discuss how estimating these demographic trendsat the municipal level can help the design and validation of policiescontrasting the socio-economic decline in specific Italian areas, as in thecase of the Italian National Strategy for Inner Areas (Strategia Nazionale perle Aree Interne, SNAI).
我们在莫兰空间的轨迹基础上研究了意大利各城市人口密度的演变。我们发现了城市集中增长、城市蔓延、集聚和人口减少的空间动态模式的证据。从长期来看,出现了三种不同的定居系统:城市、郊区和农村。我们将讨论如何在城市层面估计这些人口趋势,以帮助设计和验证政策,对比意大利特定地区的社会经济衰退,如意大利内陆地区国家战略(SNAI)。
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引用次数: 0
期刊
arXiv - QuantFin - Economics
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