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Probabilistic Graph Model Mining User Affinity in Social Networks 挖掘社交网络中用户亲和力的概率图模型
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021070102
Jie Su, Jun Li, Jifeng Chen
In social networks, discovery of user similarity is the basis of social media data analysis. It can be applied to user-based product recommendations and inference of user relationship evolution in social networks. In order to effectively describe the complex correlation and uncertainty for social network users, the accuracy of similarity discovery is improved theoretically for massive social network users. Based on the Bayesian network probability map model, network topological structure is combined with the dependency between users, and an effective method is proposed to discover similarity in social network users. To improve the scalability of the proposed method and solve the storage and computation problem of mass data, Bayesian network distributed storage and parallel reasoning algorithm is proposed based on Hadoop platform in this paper. Experimental results verify the efficiency and correctness of the algorithm.
在社交网络中,用户相似性的发现是社交媒体数据分析的基础。它可以应用于基于用户的产品推荐和社交网络中用户关系演变的推断。为了有效地描述社交网络用户的复杂相关性和不确定性,从理论上提高了大量社交网络用户相似度发现的准确性。基于贝叶斯网络概率图模型,将网络拓扑结构与用户之间的依赖关系相结合,提出了一种发现社交网络用户相似性的有效方法。为了提高所提方法的可扩展性,解决海量数据的存储和计算问题,本文提出了基于Hadoop平台的贝叶斯网络分布式存储和并行推理算法。实验结果验证了该算法的有效性和正确性。
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引用次数: 1
A Novel Reinforcement-Learning-Based Approach to Workflow Scheduling Upon Infrastructure-as-a-Service Clouds 基于强化学习的基础设施即服务云工作流调度新方法
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021010102
Peng Chen, Yunni Xia, Chunhua Yu
Recently, the cloud computing paradigm has become increasingly popular in large-scale and complex workflow applications. The workflow scheduling problem, which refers to finding the most suitable resource for each task of the workflow to meet user defined quality of service, attracts considerable research attention. Multi-objective optimization algorithms in workflow scheduling have many limitations (e.g., the encoding schemes in most existing heuristic-based scheduling algorithms require prior experts' knowledge), and thus, they can be ineffective when scheduling workflows upon dynamic cloud infrastructures with real time. A novel reinforcement-learning-based algorithm to multi-workflow scheduling over IaaS is proposed. It aims at optimizing make-span and dwell time and is to achieve a unique set of correlated equilibrium solution. The proposed algorithm is evaluated for famous workflow templates and real-world industrial IaaS by simulation and compared to the current state-of-the-art heuristic algorithms. The result shows that the algorithm outperforms compared algorithm.
近年来,云计算范式在大规模、复杂的工作流应用中越来越受欢迎。工作流调度问题是指为工作流的每个任务找到最合适的资源以满足用户定义的服务质量,引起了人们的广泛关注。工作流调度中的多目标优化算法存在许多局限性(例如,现有的大多数启发式调度算法的编码方案需要事先掌握专家知识),因此,在动态的云基础设施上实时调度工作流时,多目标优化算法可能是无效的。提出了一种基于强化学习的IaaS多工作流调度算法。它的目标是优化制造时间和停留时间,并获得一组唯一的相关平衡解。通过仿真对著名的工作流模板和现实工业IaaS进行了评估,并与当前最先进的启发式算法进行了比较。结果表明,该算法优于比较算法。
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引用次数: 3
Investigation on Blockchain Technology for Web Service Composition: A Case Study 面向Web服务组合的区块链技术研究:一个案例研究
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/ijwsr.20210101.oa1
S. Sridevi, G. R Karpagam, B. V. Kumar, J. Umamaheswari
The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value. Blockchain technology makes breakthroughs in business intelligence in many areas such as banking sector, finance, judiciary, commerce, and information technology. Web service compositions have a revolutionary impact on business intelligence by enabling loose coupling, data consolidation from diverse sources, consolidation of information under a single roof, easing ad-hoc querying and reporting. The objective of current work is to investigate the applicability of blockchain for the semantic web service composition process. The paper focuses on design of conceptual architecture and the algorithm for QoS-aware semantic web service composition (SWSC) using blockchain.
区块链是一种不可破坏的经济交易数字账本,可以通过编程不仅记录金融交易,还记录几乎所有有价值的交易。区块链技术在银行、金融、司法、商业、信息技术等诸多领域实现了商业智能的突破。Web服务组合通过支持松散耦合、来自不同来源的数据整合、在一个屋檐下的信息整合、简化临时查询和报告,对商业智能产生了革命性的影响。当前工作的目的是研究区块链在语义web服务组合过程中的适用性。本文重点研究了基于区块链的qos感知语义web服务组合(SWSC)的概念架构设计和算法。
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引用次数: 8
Web Service Clustering Approach Based on Network and Fused Document-Based and Tag-Based Topics Similarity 基于网络的Web服务聚类方法及基于文档和基于标签的主题相似度融合
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021070104
D. Ping, Guo Bing, Zheng Wen
To produce a web services clustering with values that satisfy many requirements is a challenging focus. In this article, the authors proposed a new approach with two models, which are helpful to the service clustering problem. Firstly, a document-tag LDA model (DTag-LDA) is proposed that considers the tag information of web services, and the tag can describe the effective information of documents accurately. Based on the first model, this article further proposes an efficient document weight and tag weight-LDA model (DTw-LDA), which fused multi-modal data network. To further improve the clustering accuracy, the model constructs the network for describing text and tag respectively and then merges the two networks to generate web service network clustered. In addition, this article also designs experiments to verify that the used auxiliary information can help to extract more accurate semantics by conducting service classification. And the proposed method has obvious advantages in precision, recall, purity, and other performance.
生成具有满足许多需求的值的web服务集群是一个具有挑战性的焦点。本文提出了一种包含两个模型的新方法,这有助于解决服务集群问题。首先,提出了一种考虑web服务标签信息的文档-标签LDA模型(DTag-LDA),该模型能够准确地描述文档的有效信息;在第一个模型的基础上,本文进一步提出了一种融合多模态数据网络的高效文档权值和标签权值lda模型(DTw-LDA)。为了进一步提高聚类精度,该模型分别构建描述文本和标签的网络,然后将两个网络合并生成聚类的web服务网络。此外,本文还设计了实验来验证所使用的辅助信息可以通过服务分类来帮助提取更准确的语义。该方法在精密度、召回率、纯度等性能上具有明显优势。
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引用次数: 3
Blockchain-Empowered Big Data Sharing for Internet of Things 区块链助力物联网大数据共享
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021010104
Ting Cai, Yuxin Wu, Hui-En Lin, Yuru Cai
A recent study predicts that by 2025, up to 75 billion internet of things (IoT) devices will be connected to the internet, in which data sharing is increasingly needed by massive IoT applications as a major driver of the IoT market. However, how to meet the interests of all participants in complex multi-party interactive data sharing while providing secure data control and management is the main challenge in building an IoT data sharing ecosystem. In this article, the authors propose a blockchain-empowered data sharing architecture that supports secure data monitoring and manageability in complex multi-party interactions of IoT systems. First, to build trust among different data sharing parties, the authors apply blockchain technologies to IoT data sharing. In particular, on-chain/off-chain collaboration and sharding consensus process are used to improve the efficiency and scalability of the large-scale blockchain-empowered data sharing systems. In order to encourage IoT parties to actively participate in the construction of shared ecology, the authors use an iterative double auction mechanism in the proposed architecture to maximize the social welfare of all parties as a case-study. Finally, simulation results show that the proposed incentive algorithm can optimize data allocations for each party and maximize the social welfare while protecting the privacy of all parties.
最近的一项研究预测,到2025年,多达750亿个物联网(IoT)设备将连接到互联网,其中数据共享越来越需要大规模物联网应用,作为物联网市场的主要驱动力。然而,如何在复杂的多方交互数据共享中满足所有参与者的利益,同时提供安全的数据控制和管理,是构建物联网数据共享生态系统的主要挑战。在本文中,作者提出了一种基于区块链的数据共享架构,该架构支持物联网系统复杂多方交互中的安全数据监控和可管理性。首先,为了在不同数据共享方之间建立信任,作者将区块链技术应用于物联网数据共享。特别是,链上/链下协作和分片共识过程用于提高大规模区块链授权数据共享系统的效率和可扩展性。为了鼓励物联网各方积极参与共享生态的建设,作者在提出的架构中采用迭代双拍卖机制作为案例研究,以最大化各方的社会福利。最后,仿真结果表明,所提激励算法能够在保护各方隐私的同时,优化各方的数据分配,实现社会福利最大化。
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引用次数: 1
Bottleneck-Aware Resource Allocation for Service Processes: A New Max-Min Approach 服务进程的瓶颈感知资源分配:一种新的Max-Min方法
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021070101
Shou-lu Hou, Wei Ni, Ming Wang, Xiulei Liu, Qiang Tong, Shiping Chen
In 5G systems and beyond, traditional generic service models are no longer appropriate for highly customized and intelligent services. The process of reinventing service models involves allocating available resources, where the performance of service processes is determined by the activity node with the lowest service rate. This paper proposes a new bottleneck-aware resource allocation approach by formulating the resource allocation as a max-min problem. The approach can allocate resources proportional to the workload of each activity, which can guarantee that the service rates of activities within a process are equal or close-to-equal. Based on the business process simulator (i.e., BIMP) simulation results show that the approach is able to reduce the average cycle time and improve resource utilization, as compared to existing alternatives. The results also show that the approach can effectively mitigate the impact of bottleneck activity on the performance of service processes.
在5G及以后的系统中,传统的通用业务模式不再适合高度定制化和智能化的业务。重塑服务模型的过程涉及到分配可用资源,其中服务流程的性能由具有最低服务率的活动节点决定。本文提出了一种新的感知瓶颈的资源分配方法,将资源分配表述为极大极小问题。该方法可以根据每个活动的工作负载分配资源,从而保证流程内活动的服务率相等或接近相等。基于业务流程模拟器(即BIMP)的仿真结果表明,与现有替代方案相比,该方法能够缩短平均周期时间并提高资源利用率。结果还表明,该方法可以有效地减轻瓶颈活动对服务流程性能的影响。
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引用次数: 0
Clustering Mashups by Integrating Structural and Semantic Similarities Using Fuzzy AHP 利用模糊层次分析法集成结构和语义相似性的聚类mashup
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2021-01-01 DOI: 10.4018/IJWSR.2021010103
Weifeng Pan, Xinxin Xu, Ming Hua, Carl K. Chang
Mashup technology has become a promising way to develop and deliver applications on the web. Automatically organizing Mashups into functionally similar clusters helps improve the performance of Mashup discovery. Although there are many approaches aiming to cluster Mashups, they solely focus on utilizing semantic similarities to guide the Mashup clustering process and are unable to utilize both the structural and semantic information in Mashup profiles. In this paper, a novel approach to cluster Mashups into groups is proposed, which integrates structural similarity and semantic similarity using fuzzy AHP (fuzzy analytic hierarchy process). The structural similarity is computed from usage histories between Mashups and Web APIs using SimRank algorithm. The semantic similarity is computed from the descriptions and tags of Mashups using LDA (latent dirichlet allocation). A clustering algorithm based on the genetic algorithm is employed to cluster Mashups. Comprehensive experiments are performed on a real data set collected from ProgrammableWeb. The results show the effectiveness of the approach when compared with two kinds of conventional approaches.
Mashup技术已经成为在web上开发和交付应用程序的一种很有前途的方式。自动将Mashup组织成功能相似的集群有助于提高Mashup发现的性能。尽管有很多方法都是针对Mashup集群的,但它们都只关注于利用语义相似性来指导Mashup集群过程,而无法同时利用Mashup配置文件中的结构和语义信息。本文提出了一种利用模糊层次分析法将结构相似度和语义相似度相结合的聚类方法。结构相似性是使用simmrank算法根据mashup和Web api之间的使用历史计算的。使用LDA (latent dirichlet allocation)从mashup的描述和标记计算语义相似度。采用基于遗传算法的聚类算法对mashup进行聚类。在programableweb上收集的一个真实数据集上进行了全面的实验。结果表明,该方法与两种传统方法相比是有效的。
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引用次数: 9
Olumsallık, Feminizm ve Siyaset 可能性、女权主义与政治
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-12-11 DOI: 10.33831/jws.v21i2.118
Seval Ünlü
Olumsallık, bir şeyin böyle olmak zorunda olmadığını ya da başka türlü olabileceğini ifade eder. Bir şeyin olumsal olması sadece zorunlu olmaması demek değil, aynı zamanda öngörülmüş amaçlarının gerçekleşmeme ya da öngörülmemiş sonuçlarının doğma olasılığı taşıdığı anlamına gelir. Bu özellikleriyle olumsallık, Hannah Arendt’in de vurguladığı, eylemin doğasına bağlı iki kısıtla maluldür: İlki eylemin geri döndürülemezliği, ikincisi ise belirsizlikler içinde meydana gelen eylemin öngörülemezliği. Feminizm, eylemin olumsallığını ehlileştirmeye yönelik erkek egemen siyaset biçimine karşı olumsallığa dayalı bir siyasal kuram ve pratik sunmaktadır. Öncelikle feminizm, temel savı itibariyle olumsaldır; kültürel olarak farklı biçimler alsa ve yüzyıllar içinde değişen farklı üretim ilişkileriyle eklemlense de ataerki, doğal ve zorunlu değildir. İkinci olarak feminizm, eylem biçimi açısından olumsaldır; gündelik hayatta ataerkiye karşı verilen her mücadele, büyük yapıların dönüştürülmesinde bir etki yaratır. Olumsallığa dayalı bir kuram ve hareket olarak feminizm, siyasete, feminist mücadelenin ötesinde daha doğrudan bir ilişkiyle bağlıdır. Feminist mücadele sadece ataerkiye karşı verilen bir mücadele değil, siyasal eylemin anlamına dair çağdaş bir deneyim kaynağıdır. Feminist kuram, sadece toplumlara kök salmış erkek egemenliğini değil, ortak yaşamın ortaklaşa düzenlenmesi anlamında genel olarak siyaseti de kuramlaştıracak araçlar sunar. Dolayısıyla feminizm bir yandan siyaset kuramından beslenirken, diğer yandan oluşturduğu deneyim mirasıyla siyaset kuramının ufkunun belirlenmesinde rol oynayan bir kaynaktır. Bu çalışmada, Arendt’in işaret ettiği tarzda olumsallığa dayalı bir siyasal eylemin pusulası olabilecek ilkeleri feminizmden doğru düşünmenin olanakları ve bunun geniş anlamda siyasal eyleme katkıları ele alınacaktır.
概率意味着事情不一定是这样的,或者它可以是不同的。这不仅意味着某些事情是积极的,也不仅仅意味着它很困难,还意味着预测的目标很可能发生或不可预测的后果很可能发生。有了这些特征,汉娜·阿伦特被认为是与行动性质相关的两个制约因素之一:第一个行动是不可逆转的,第二个是行动的不可预测性。女权主义是一种基于积极政治框架的政治制度和实践,强调行动的有效性。首先,我的女权主义者完全符合主要起诉的条件;kültürel olarak farklıbiçimler alsa ve yüzyıllar içinde değişen farklşüretim ilişkileriyle eklemlense de ataerki,doğal ve zorunlu değildir。其次,女性主义在行动形式上是积极的;当前生活中的每一场反恐斗争都会对大型结构的转型产生影响。根据概率法则,女权主义、政治和女权主义比女权主义斗争更直接。女权主义斗争不仅仅是与祖先的斗争,也是政治行动的复杂经验来源。女权主义法律不仅提供了男性统治的主导权,而且还提供了在共享生活方面建立政治的一般手段。因此,当我的女权主义者在另一方面进食时,它是一种经验来源,在识别小型政治结构方面发挥了作用。在这部作品中,我首先想到的是我的女权主义者,这可能是阿伦特所指出的积极方式的一部分,这将在很大程度上采取政治行动。
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引用次数: 1
Bir İktidar Aracı Olarak Ev: Geriye Kalan ve Öldüren Cazibe’de “Eril Tahakküm” ve “Öteki Kadınlar” 通过成为一种执行工具,这个家成为了《留下来杀死卡齐贝》中的“Eril Tahakküm”和“其他女人”。
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-12-11 DOI: 10.33831/jws.v21i2.183
Selda Tunç Subaşi
Bu çalışmada, Geriye Kalan (Çiğden Vitrinel, 2011) ve Öldüren Cazibe (Fatal Attraction, Adrian Lyne, 1987) filmlerindeki kadınların ev alanına ilişkin deneyimleri, Pierre Bourdieu’nın eril tahakküm kavramıyla bağlantı kuran bir kuramsal izlekte, feminist eleştirel söylem analizi perspektifinden yararlanılarak değerlendirilmiştir. Bourdieu, Eril Tahakküm (1998/2002) çalışmasında eril ve dişil olmak üzere cinsiyetlendirilmiş iki alanın iktidar ilişkileri içindeki sembolik yansımalarını inceler. Kadınlar, içselleştirdikleri toplumsal cinsiyet pratiklerini ev içi rutinlerle, aile kurumunda yeniden üretir. Her iki filmde de sembolik şiddet göstergesi evdir; bundan dolayı bu iki film çalışmada yan yana gelebilmiştir. Bu çalışmanın amacı, kadınlar farklı ilgi alanları ve hayat tarzlarına sahip olsalar da ev alanını farklı şekillerde deneyimleseler de kadınlar için evin eril tahakkümü güçlendiren bir yer olma özelliğini koruduğunu göstermektir. Bu bağlamda çalışmanın temel sorunsalı, kadın bedeninin bir uzantısına dönüşen ev alanının kadınlar arasındaki sınıfsal farklılıkların temel belirleyeni olduğu iddiasıdır. Ev alanı, kadınlar arasında asimetrik sınıfsal bir konum üretmekte ve kadın bedeni bu konuma göre “terbiye” edilmektedir. Temsillerde, birbirine düşmanlaştırılan kadınlar arasındaki ilişki kopmakta, bu ilişkiyi tekrar kurabilme ihtimali ise sembolik tahakkümün sorgulanmasıyla mümkün görünmektedir.
在这项研究中,阿德里安·林恩(Adrian Lyne),1987年,通过对皮埃尔·布迪厄(Pierre Bourdieu)的光容忍度的机构调查,评估了女性在《致命吸引力》(Fatal Attraction)中的家庭体验,这在女权主义批评的角度是有用的。Bourdieu调查了Eril Tahakim(1998/2002)作品中两个领域权力关系中的象征性参考,这两个领域被性化为轻和胖。妇女通过家庭常规和家庭机构恢复其社会性行为。在这两部电影中,象征性的暴力都是家;这就是为什么这两部电影可以在工作中并驾齐驱。这项工作的目的是表明,如果女性有不同的兴趣和生活方式,她们可以以不同的方式体验自己的家园,房屋的财产是加强女性光线稳定性的地方。在这方面,主要问题是,女性在身体部位的性别差距是基于性别差距。Ev alanı,kadınlar arasında asimetrik sınıfsal bir konumüretmekte ve kadın bedeni bu konuma göre“terbye”edilmektedir。在各位代表中,我象征性的宽容对重建彼此敌对的妇女之间这种关系的可能性提出了质疑。
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引用次数: 0
‘Şule Çet İçin Adalet’: Twitter Verisinin Eleştirel Söylem Çözümlemesi Modeli ile İncelenmesi “这个聊天中的正义”:用语音分析模型检验推特数据
IF 1.1 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-12-11 DOI: 10.33831/jws.v21i2.125
Zihniye Okray
Kadın cinayetleri sadece Türkiye’de değil dünya çapında çözülmeyi bekleyen önemli bir sorundur. Kadın cinayetleri femicide kavramının Türkçe alanyazın içerisinde kullanılan en yaygın tanımıdır. Kadın cinayeti denildiğinde en basit anlamda kadının sadece kadın olduğu için öldürülmesinin ifadesidir. Bu çalışmada Şule Çet cinayeti ardından mikro-blog olan sosyal paylaşım sitesi Twitter verilerinin geriye dönük olarak taranması ve eleştirel söylem çözümlemesi ile araştırılmasını kapsamaktadır. Şule çet için adalet hastag’i ile oluşturulan mikro-bloğun incelenmesi ve analizleri sonucunda elde edilen bulgular arasında Türkiye’deki adelet sisteminin eril bir adalet olduğu, kadınların cinsel hayatlarının, bekar ve çalışıyor olmalarının, ailelerinde uzak yaşıyor olmalarının, giyim tarzlarının tecavüzü ve cinayeti meşrulaştıran kavramlar olarak görüldüğü sonuçlarına ulaşılmıştır. Yapılan incelemeler sonucunda geçtiğimiz yıllarda yine Türkiye’de işlenen tecavüz ve cinayetlere göndermeler yapılmış ve adaletin sağlanması için çağrılar yapılmıştır. Ayrıca ayrıcalıklı gruplara uygulanan cinsel tacizler de kınanmıştır.
妇女谋杀不仅在土耳其,而且在全世界都是一个重要问题。谋杀妇女是土耳其最常见的杀害女性定义。当一个女人被称为谋杀时,意味着她只是一个女人。在这项研究中,这个社交分享网站是舒鲁帮谋杀案发生后的一个微博,它包括在推特上搜索数据作为回溯,并分析批评。Şuleçet için adalet hastag'i ile oluşturulan mikro bloğun incelenmesi ve analizleri sonucunda elde bulgular arasında土耳其,由于我的穿着方式遭到强奸和谋杀。近年来,土耳其对强奸和谋杀案进行了调查,以确保正义。此外,性骚扰也发生在不同的群体中。
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引用次数: 0
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International Journal of Web Services Research
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