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The Good, the Ugly and the Bad Situation Awareness in the Big Data: A Cognitive Architecture for Social Forecasting 大数据中的好、丑、坏情境意识:一种社会预测的认知架构
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040102
E. D’Avanzo, G. Pilato
Situation awareness the Good is a challenging approach aiming at realizing artifacts being aware of what happens in the environment around them. Big data the Ugly includes datasets whose magnitude is far away of being processed by traditional techniques. The Bad is the authors' framework that, even knowing about the ideal situation, represented by the Good, they realize the presence of the Ugly and face a decision, even knowing that it will not be the best but it is still important in order to mine nuggets from the cache of gold. As in every successful story, the authors' mission is to make the 'Bad' increasingly 'Good'. To make their artifact increasingly aware of, it is needed the domain expert's contribution, as argued by the methodology analysis to which there is mention.
情境感知是一种具有挑战性的方法,旨在实现工件能够意识到周围环境中发生的事情。丑陋的大数据包括那些规模远远超出传统技术处理能力的数据集。坏的是作者的框架,即使知道理想的情况,以好为代表,他们意识到丑陋的存在,并面临一个决定,即使知道它不会是最好的,但它仍然是重要的,以便从黄金的缓存中开采金块。正如每一个成功的故事一样,作者的使命是让“坏”变得越来越“好”。为了使他们的工件越来越被人意识到,就需要领域专家的贡献,正如所提到的方法论分析所论证的那样。
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引用次数: 6
Resource Optimization Routing and Scatternet Formation Protocols for Bluetooth Networks 蓝牙网络的资源优化、路由和散射网形成协议
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040106
S. T. Bakhsh, S. Tahir, A. Altalhi, F. Subhan, M. Sheikh
Limited resources and network dynamicity are challenging issues in Bluetooth networks. Therefore, scatternet formation improvement and efficient routing algorithms are required that can efficiently construct a short route between a source and destination. As of today, many protocols have been proposed, mostly researchers focusing on simplicity and reliability, but only few of them fulfill the Bluetooth scatternet scenario. Therefore, it opens new doors for scatternet formation and inter-piconet routing for the Bluetooth scatternet. This paper presents a review of Bluetooth routing and scatternet formation protocols for inter-piconet communication. First, Bluetooth operation is explained followed by important applications and topologies are discussed. Then, inter-piconet routing and network formation protocols are critically analyzed. Finally, Bluetooth problems and open research issues are highlighted.
有限的资源和网络的动态性是蓝牙网络中具有挑战性的问题。因此,需要改进散射网的形成和高效的路由算法,以便在源和目的之间有效地构建短路由。到目前为止,已经提出了许多协议,大多数研究人员关注的是简单性和可靠性,但只有少数协议能够满足蓝牙散射网场景。因此,它为蓝牙散射网的形成和网间路由打开了新的大门。本文综述了蓝牙路由协议和用于piconet间通信的散射网形成协议。首先,介绍了蓝牙的工作原理,然后讨论了重要的应用和拓扑结构。然后,详细分析了piconet间路由协议和网络形成协议。最后,提出了蓝牙技术存在的问题和有待研究的问题。
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引用次数: 1
Aligning Relational Schema and OWL Ontologies with Hidden Markov Model 用隐马尔可夫模型对齐关系模式和OWL本体
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040101
A. Pipitone, R. Pirrone
The problem of bridging the gap between relational schema and ontologies is actively investigated in the Semantic Web and business communities. The main motivations are the OBDA scenario, where a domain ontology allows to hidden the technical details of the db to end-users; and the persistent storage of ontologies in db for facilitating search and retrieval keeping the benefits of DBMSs such as security and integrity. In these cases, the ABox is usually stored into a db, and the TBox is maintained in an ontology; for this reason, schema alignment is a more significant problem than the instance matching one. The use of manual mappings is hard and expensive, especially for large representations. This paper proposes an innovative approach for solving this problem based on a HMM; it estimates the most likely sequence of symbols describing the structures in the relational schema corresponding to the axioms in the ontology to be aligned. The theoretical background nd the models are described in detail. Finally, the system is compared to the most widespread tools in literature.
在语义Web和业务社区中,正在积极研究在关系模式和本体之间架起桥梁的问题。主要动机是OBDA场景,其中领域本体允许向最终用户隐藏数据库的技术细节;以及在数据库中持久存储本体,以方便搜索和检索,同时保持dbms的优点,如安全性和完整性。在这些情况下,ABox通常存储在数据库中,而TBox则保存在本体中;由于这个原因,模式对齐是一个比实例匹配更重要的问题。使用手动映射是困难和昂贵的,特别是对于大型表示。本文提出了一种基于HMM的创新方法来解决该问题;它估计描述关系模式中与本体中公理相对应的结构的最可能的符号序列。详细介绍了理论背景和模型。最后,将该系统与文献中最广泛使用的工具进行了比较。
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引用次数: 2
Media Mediate Sentiments: Exploratory Analysis of Tweets Posted Before, During, and After the Great East Japan Earthquake 媒体调解情绪:对东日本大地震前、中、后推文的探索性分析
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040104
N. Matsumura, A. Miura, Masashi Komori, K. Hiraishi
When the Great East Japan Earthquake occurred, Twitter was used as an infrastructure for sharing information carried by other media. In other words, Twitter is considered as a "meta medium." Earthquake-related tweets included information that was of questionable veracity, contained vicious rumors, and propagated matters of controversy that often gave rise to various discussions and arguments. In this research, the authors analyzed 89,351,242 tweets posted from December 11, 2010 to April 16, 2012. They then extracted 9,816,625 URLs and classified the top 100 domains of these URLs into 19 media categories. The emotional reactions of Twitter users were investigated by counting the terms conveying positive and negative emotions included in the body of tweets along with the media URLs. The authors' findings revealed differences in terms of the frequency with which terms expressing emotions were evoked and differences in the patterns of their surges, across the various media. The authors also considered the usage of various terms appearing in tweets concurrently with the terms expressing emotion.
当东日本大地震发生时,Twitter被用作共享其他媒体传播的信息的基础设施。换句话说,Twitter被认为是一种“元媒体”。与地震有关的推文包括真实性可疑的信息,包含恶意谣言,并传播经常引起各种讨论和争论的争议事项。在这项研究中,作者分析了2010年12月11日至2012年4月16日发布的89,351,242条推文。然后,他们提取了9816625个url,并将这些url的前100个域名分为19个媒体类别。通过统计推文正文中包含的表达积极和消极情绪的术语以及媒体url来调查Twitter用户的情绪反应。作者的发现揭示了在不同的媒体中,表达情感的词语被唤起的频率和其激增模式的差异。作者还考虑了与表达情感的术语同时出现在推文中的各种术语的使用情况。
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引用次数: 2
Sensitivity Mining in Social Pulses to Address Cultural Heritage Competitive Intelligence 敏感性挖掘在社会脉动中解决文化遗产竞争情报
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040103
A. Chianese, F. Marulli, F. Piccialli
The remarkable opportunities of discovering interesting knowledge from Big Data can be exploited in the Cultural Heritage CH domain, where Social Data Mining could advantage cultural organizations and operators with strategical elements for enjoying and attracting and enjoy visitors, as well as to support knowledge sharing and diffusion processes. A challenging and profitable direction may be combining Social Media Pulses Mining with Business Intelligence, to reveal the underlying key performance indicators, so leading to a 'competitive intelligence' whose application well fits with CH. The main contribution of the proposed research is the application of a Multidimensional Text Mining over multiple dimensions for social media pulses analysis. A set of exploratory studies were performed on textual messages Twitter to explore multiple kind of relations between terms, their compliance with CH, and finally estimating the Social Sensitivity Indicator to this domain and its polarity. Advanced technologies for Big Data processing were exploited.
从大数据中发现有趣知识的绝佳机会可以在文化遗产CH领域得到利用,在这个领域,社会数据挖掘可以为文化组织和运营商提供战略元素,以享受、吸引和享受游客,并支持知识共享和传播过程。一个具有挑战性和有利可图的方向可能是将社交媒体脉冲挖掘与商业智能相结合,以揭示潜在的关键绩效指标,从而导致“竞争情报”,其应用非常适合CH。拟议研究的主要贡献是多维文本挖掘在多维社交媒体脉冲分析中的应用。本文对Twitter文本信息进行了一系列探索性研究,探讨了术语之间的多种关系及其对CH的遵从性,并最终估计了该领域的社会敏感性指标及其极性。利用先进的大数据处理技术。
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引用次数: 1
Arabic Rumours Identification By Measuring The Credibility Of Arabic Tweet Content 通过衡量阿拉伯语Tweet内容的可信度来识别阿拉伯语谣言
Pub Date : 2016-04-01 DOI: 10.4018/IJKSR.2016040105
A. Floos
Twitter enjoys the fame of the most popular and widely used as a platform for socializing, including all aspects of life current affairs, religious ideas, political issues, scientific research, and general knowledge. Every single activity of day to day life and human behavior and values is lodged at this platform. Sending and receiving messages on Twitter (tweets) with is limited to 140 characters, In this research the author attempts to understand the characteristics of those Arabic rumour (falsified information stream) patterns. False tweets could be a rumour which is mostly recognized as a representative whose legitimacy, authenticity, precision and significance is either unverifiable or unreliable. Arabic rumours may propagate misinformation on social networks. In this research, the author illustrates the difficulty of Arabic rumour identification in twitter social platform by studying the impact based on Arabic tweet content. Furthermore, the author explains how these content features are too influential in measuring the credibility of those Arabic tweets.
Twitter享有最受欢迎和广泛使用的社交平台的美誉,包括生活的方方面面,时事,宗教思想,政治问题,科学研究,以及一般知识。日常生活中的每一项活动、人类的行为和价值观都存在于这个平台上。在Twitter (tweets)上发送和接收消息的限制为140个字符。在本研究中,作者试图了解这些阿拉伯谣言(伪造信息流)模式的特征。虚假推文可能是一种谣言,它通常被认为是一种代表,其合法性、真实性、准确性和重要性要么无法验证,要么不可靠。阿拉伯语的谣言可能会在社交网络上传播错误信息。在本研究中,作者通过研究基于阿拉伯语tweet内容的影响来说明twitter社交平台中阿拉伯语谣言识别的难度。此外,作者解释了这些内容特征如何在衡量这些阿拉伯语推文的可信度方面具有太大的影响力。
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引用次数: 15
Brain Tumor Segmentation and Classification using Intelligent Hybrid Morphology and Diffusion 基于智能混合形态学和扩散的脑肿瘤分割与分类
Pub Date : 2015-10-01 DOI: 10.4018/IJKSR.2015100103
M. Jaffar
Noise present in the images degrades the image quality as well as the performance of tumor detection from images. The main objective of this research work is to improve the image quality and develop an accurate and effective automated computer-aided diagnosis system for tumor detection from brain MR images. Contourlet transform is used for image enhancement. Thresholding and morphological operators are used for detecting tumor segment. After segmentation, features extraction and classification has been performed by using Support Vector Machine and Neural Networks. The proposed method is tested on various brain MR images and this system generates good and accurate results.
图像中存在的噪声会降低图像质量以及从图像中检测肿瘤的性能。本研究的主要目的是提高脑磁共振图像的图像质量,开发一种准确有效的脑磁共振图像肿瘤自动诊断系统。Contourlet变换用于图像增强。采用阈值分割和形态学算子对肿瘤片段进行检测。分割后,利用支持向量机和神经网络进行特征提取和分类。该方法在多种脑磁共振图像上进行了测试,结果良好、准确。
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引用次数: 1
Methodology for Record Linkage: A Medical Domain Case Study 记录链接的方法:一个医学领域的案例研究
Pub Date : 2015-10-01 DOI: 10.4018/IJKSR.2015100102
M. Vargas-Vera
This paper presents a methodology for linking records from several sources each source might contain, missing information. This assumption of missing values has been made, without loss of generality, as the authors has observed that missing information is part of the nature of data in the health domain and also in other domains such as social sciences. The author's methodology is an attempt to deal with the linkage of records of the same patient in several databases. The first phase in her methodology is called homogenization. The homogenization of the databases/datasets is performed by applying a method which fills-in the missing values with the predicted values. The second phase of her methodology is called linking of records. It assesses the similarity between records and implements the linkage of the pairs of records with high level of similarity. Finally, the author presents an evaluation of our methodology. The evaluation of the homogenization phase was carried out using multinomial regression while, the evaluation of the aggregated similarities were performed using Jaccard, Jaro-Winkler and Monge-Elkan similarity metrics.
本文提出了一种链接来自多个来源的记录的方法,每个来源可能包含缺失信息。正如作者所观察到的那样,缺失的信息是健康领域以及其他领域(如社会科学)数据性质的一部分,这一缺失值的假设是在不丧失一般性的情况下做出的。作者的方法是试图处理在几个数据库中同一病人的记录的联系。她的方法论的第一阶段被称为均质化。数据库/数据集的均质化是通过应用一种用预测值填充缺失值的方法来实现的。她的方法的第二阶段被称为记录链接。它评估记录之间的相似度,并实现高相似度记录对的链接。最后,作者对我们的研究方法进行了评价。均质阶段采用多项回归评价,聚合相似度采用Jaccard、Jaro-Winkler和Monge-Elkan相似度指标评价。
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引用次数: 0
The Impact of Quality Assessment Systems on Teaching, Learning and Curriculum: A Case Study of a Non-Profit Private Higher Education Institution in Greece 质量评估系统对教、学和课程的影响:以希腊一所非营利性私立高等教育机构为例
Pub Date : 2015-10-01 DOI: 10.4018/IJKSR.2015100101
Emmanuel Varouchas
This case study describes the dispute on private higher education in Greece which is not seen favorably at all under the Greek legal environment. It also provides with contrast between quality assurance systems in Greek higher education institutions and DEREE-The American College of Greece, a private, non-profit tertiary educational institution located in Athens, Greece. It also aims at exploring quality systems in higher education institutions in the EU and in Greece and investigates why and how these influence the quality system, assessment policy and practices at DEREE. Additionally, it contributes with a valued proposition on the development of a hybrid quality system which will affect teaching, learning and assessment processes and eventually lead to curricular enhancement and probably reforms. The subsequent step deriving from this study is knowledge sharing with policy makers and practitioners for the advancement of the education delivered to students in higher education. Keywords: Assessment, Case Study, Curriculum, Higher Education, Learning, Non-profit, Quality Assurance, Teaching
本案例研究描述了希腊私立高等教育的争议,这在希腊的法律环境下根本不被看好。它还提供了希腊高等教育机构的质量保证体系与位于希腊雅典的私立非营利性高等教育机构希腊美国学院(deee)之间的对比。它还旨在探索欧盟和希腊高等教育机构的质量体系,并调查这些机构为什么以及如何影响DEREE的质量体系、评估政策和实践。此外,它还提出了发展混合质量体系的宝贵建议,这将影响教、学和评估过程,并最终导致课程改进和可能的改革。本研究的后续步骤是与政策制定者和实践者分享知识,以促进高等教育对学生的教育。关键词:评估,案例研究,课程,高等教育,学习,非营利性,质量保证,教学
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引用次数: 0
The Behavioural Relationships Between Industrial R&D and University R&D in India 印度产业研发与大学研发的行为关系
Pub Date : 2015-10-01 DOI: 10.4018/IJKSR.2015100105
Manoj Kumar, Jyoti Singh, Priya Singh
During the years, a large number of formal studies have presented evidences of a positive impact of university R&D on firm performance in general and on the location of industrial R&D, in particular. The question is does it also work the other way around? Does industrial R&D function as an attractor for university R&D? What are the behavioural relationships between industrial R&D and university R&D and vice versa? The authors argue that spatial proximity should be measured using accessibility measures. Fur-thermore, accessibility measures can be used to model interaction opportunities at dif-ferent spatial scales: local, intra-regional and inter-regional. Against this background, the purpose of this paper is to analyse the locational relationship between industry R&D and university R&D in India using a simultaneous equation approach. The authors' results indicate that the location of industrial R&D is quite sensitive to the location of university R&D, and that the location of university R&D is sensitive to the location of industrial R&D.
多年来,大量的正式研究已经证明了大学研发对企业绩效的积极影响,特别是对产业研发的区位影响。问题是反过来也一样吗?产业研发对大学研发有吸引力吗?产业研发与大学研发之间的行为关系是什么?作者认为,应该使用可达性指标来衡量空间接近性。此外,可达性指标可用于模拟不同空间尺度(地方、区域内和区域间)的相互作用机会。在此背景下,本文采用联立方程方法分析了印度工业研发与大学研发的区位关系。研究结果表明,产业研发区位对高校研发区位具有较高的敏感性,高校研发区位对产业研发区位具有较高的敏感性。
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引用次数: 0
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