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2018 Thirteenth International Conference on Digital Information Management (ICDIM)最新文献

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PediatricDB: Data Analytics Platform for Pediatric Healthcare 儿科医疗数据分析平台
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847072
Shantanu Deshmukh, Natalia Khuri
Many drugs prescribed to pediatric patients were never tested for use in children. Yet, there are multiple physiological and anatomical differences that lead to variations in therapeutic response and adverse side effects in children compared with adults. While some information about pediatric drug response is available on the World Wide Web, it is often disseminated in form of unstructured texts or web sites with limited analytics capabilities. In this work, we prototyped a data analytics platform called PediatricDB, to address an unmet need of integrating public data on safety and efficacy of drugs in pediatric patients. Our web portal provides a seamless access to these assessments for prescribers, drug developers, regulators, and researchers.
许多开给儿科病人的药物从未在儿童中使用过。然而,与成人相比,儿童在治疗反应和不良副作用方面存在多种生理和解剖学差异。虽然万维网上有一些关于儿童药物反应的信息,但这些信息通常以非结构化文本或分析能力有限的网站的形式传播。在这项工作中,我们建立了一个名为儿科数据库的数据分析平台的原型,以解决对儿科患者药物安全性和有效性的公共数据整合的未满足需求。我们的门户网站为处方医生、药物开发人员、监管机构和研究人员提供了对这些评估的无缝访问。
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引用次数: 2
Mining Trajectory Data and Identifying Patterns for Taxi Movement Trips 挖掘轨迹数据和识别出租车运动行程模式
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847135
Rami Ibrahim, M. O. Shafiq
In past years, trajectory data generated from Automatic Identification System (AIS) networks and taxi GPS devices increased significantly. There is a high demand for analyzing this data and extracting the knowledge from it. Large-scale taxi trajectory data is represented by a sequence of timestamped geographical locations, this sequence starts with the origin point and ends with the destination point. Applying data mining techniques such as clustering on trajectory data can provide useful information about the movement patterns and the behavior of people. Thus, can enhance the transportation management services in terms of urban planning and environment issues. In this paper, we propose a methodology which extracts movement patterns of taxi trips in Porto, Portugal. we cluster taxi trips using Hierarchical Density-Based Spatial Clustering of Applications with Noise (HDBSCAN) algorithm, each point in the trip is a pair of coordinates which consists of longitude and latitude values.
近年来,由自动识别系统(AIS)网络和出租车GPS设备生成的轨迹数据显著增加。对这些数据进行分析并从中提取知识的要求很高。大规模出租车轨迹数据由一系列带时间戳的地理位置表示,该序列从原点开始,以目的地结束。在轨迹数据上应用聚类等数据挖掘技术可以提供关于人的运动模式和行为的有用信息。因此,可以加强交通管理服务在城市规划和环境方面的问题。在本文中,我们提出了一种方法,提取运动模式的出租车旅行在波尔图,葡萄牙。我们使用基于层次密度的带噪声应用空间聚类(HDBSCAN)算法对出租车行程进行聚类,行程中的每个点都是由经纬度值组成的一对坐标。
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引用次数: 4
Towards scalable standards for web content usability 面向web内容可用性的可扩展标准
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8846968
P. Pichappan, P. Vijayakumar
Measuring the value and quality of web page is a challenging issue. Research has produced many varying standards and the absence of a global framework is evident. In the current work we generated a few quality measures for judging the quality of web page content. We limit our exercise to the content quality and refrain from other web page features.
衡量网页的价值和质量是一个具有挑战性的问题。研究产生了许多不同的标准,显然缺乏一个全球框架。在目前的工作中,我们生成了一些质量度量来判断网页内容的质量。我们将练习限制在内容质量上,避免使用其他网页功能。
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引用次数: 0
Deep Learning in Classifying Sleep Stages 睡眠阶段分类中的深度学习
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8846973
Mohamed H. Al-Meer, M. Mamun
This paper presents a deep feed-forward neural network classifier to automatically classify the stages of sleep using raw data taken from a single electropalatogram channel (Fpz-Cz). No features are extracted at all from the data, and the network can classify the five sleep stages: waking, Nl, N2, N3, N4, and rapid eye movement. The network has three layers, takes as an input a l-s epochs to be classified, and requires no signal pre-processing nor feature extraction. We trained and evaluated our system using DeepLearning4J, the free Java framework for test data taken from PhysioNet’s Polysomnography Sleep database. An accuracy of 0.99 within a constrained environment has been reached.
本文提出了一种深度前馈神经网络分类器,该分类器利用单个电腭图通道(Fpz-Cz)的原始数据对睡眠阶段进行自动分类。没有从数据中提取任何特征,网络可以将睡眠分为清醒、n1、N2、N3、N4和快速眼动五个阶段。该网络有三层,以l-s个epoch作为输入进行分类,不需要信号预处理,也不需要特征提取。我们使用DeepLearning4J来训练和评估我们的系统,DeepLearning4J是一个免费的Java框架,用于从PhysioNet的Polysomnography Sleep数据库中获取测试数据。在受限环境下的精度达到了0.99。
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引用次数: 1
Visualization of Eye-Tracking Patterns in Autism Spectrum Disorder: Method and Dataset 自闭症谱系障碍眼动追踪模式的可视化:方法和数据集
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8846967
Romuald Carette, Mahmoud Elbattah, Gilles Dequen, Jean-Luc Guérin, Federica Cilia
Autism spectrum disorder (ASD) is a lifelong condition generally characterized by social and communication impairments. One of the characteristic hallmarks of ASD is the difficulty of making or maintaining eye contact. In this respect, the eye-tracking technology has come into prominence to support the study and analysis of autism. This paper develops a methodology to visualize the eye-tracking patterns of ASD-diagnosed individuals with particular focus on children at early stages of development. The key idea is to transform the dynamics of eye motion into a visual representation, and hence diagnosis-related tasks could be approached using image-based techniques. The visualizations produced are made publicly available in an image dataset to be used by other studies aiming to experiment the potentials of eye-tracking within the ASD context. It is believed that the dataset can allow for developing further useful applications or discovering interesting insights using Machine Learning or data mining techniques
自闭症谱系障碍(ASD)是一种以社交和沟通障碍为特征的终身疾病。ASD的特征之一是难以进行或保持眼神交流。在这方面,眼动追踪技术在支持自闭症的研究和分析方面已经崭露头角。本文开发了一种方法来可视化asd诊断个体的眼动追踪模式,特别关注早期发展阶段的儿童。关键思想是将眼球运动的动态转化为视觉表现,因此与诊断相关的任务可以使用基于图像的技术来处理。所产生的可视化图像将在图像数据集中公开,供其他旨在实验ASD背景下眼球追踪潜力的研究使用。人们相信,数据集可以允许开发进一步有用的应用程序,或使用机器学习或数据挖掘技术发现有趣的见解
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引用次数: 18
Unsupervised Topic Detection based on 2D Vector Space model using Apriori Algorithm and NLP 基于Apriori算法和NLP的二维向量空间模型无监督主题检测
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8846982
Michael George
Topic modelling is an approach in data mining, use machine learning methods to discover patterns in large amount of unstructured text. It takes a collection of documents and group the words into clusters of words that we call Bag of words, and identify topics by using process of similarity. Topic modelling provides us with methods to organize, understand and summarize large collections of textual information. There are a lot of approaches have been exposed for Topic modelling, the most in use are Latent Semantic Analysis (LSA), Latent Dirichlet Allocation (LDA) and explicit semantic analysis (ESA). In our study we describing an approach to refine Topic detection based on 2d vector space model VSM by using Apriori algorithm along with Natural language processing, to form a better connected terms in vector space for clean engagement with the query.
主题建模是数据挖掘中的一种方法,利用机器学习方法在大量非结构化文本中发现模式。它采用一组文档,并将这些词分组成词簇,我们称之为词包,并利用相似度过程来识别主题。主题建模为我们提供了组织、理解和总结大量文本信息的方法。主题建模有很多方法,使用最多的是潜在语义分析(LSA)、潜在狄利克雷分配(LDA)和显式语义分析(ESA)。在我们的研究中,我们描述了一种基于二维向量空间模型VSM的改进主题检测的方法,通过使用Apriori算法和自然语言处理,在向量空间中形成更好的连接词,以便与查询干净地接触。
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引用次数: 1
Improved TFIDF weighting techniques in document Retrieval 改进了文档检索中的TFIDF加权技术
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847156
Fadi Yamout, Rachad Lakkis
In information retrieval, documents are usually retrieved using lexical matching which matches where words in a user's query with words found in a set of documents. A significant model used in information retrieval is the vector space model where these words are represented as a vector in space and are assigned weights using a favorite weighting technique called TFIDF (Term Frequency Inverse Document Frequency). In this thesis, we have devised three new weighting techniques to improve the TFIDF weighting technique. The first technique is Dispersed Words Weight Augmentation (DWWA) which gives more weight to the words distributed in most of the document’s paragraphs; we consider that those words are more significant than words found in few paragraphs. The second technique is called Title Weight Augmentation (TWA) which gives more weight to the words found in the document’s title and first paragraphs. The third technique is called First Ranked Words Weight Augmentation (FRWWA) which increments further the weight of the most frequent words in a document. We tested the three techniques, and we found more relevant documents were retrieved in our system.
在信息检索中,通常使用词汇匹配来检索文档,它将用户查询中的单词与一组文档中找到的单词进行匹配。信息检索中使用的一个重要模型是向量空间模型,其中这些词被表示为空间中的向量,并使用称为TFIDF (Term Frequency Inverse Document Frequency)的最喜欢的加权技术分配权重。在本文中,我们设计了三种新的加权技术来改进TFIDF加权技术。第一种技术是分散词权增强(DWWA),它赋予分布在大多数文档段落中的词更多的权重;我们认为,这些词比在少数段落中发现的词更有意义。第二种技术被称为标题权重增强(TWA),它赋予文档标题和第一段中的单词更多权重。第三种技术被称为第一排名单词权重增强(FRWWA),它进一步增加文档中最频繁单词的权重。我们测试了这三种技术,我们发现在我们的系统中检索到更多相关的文档。
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引用次数: 4
Sensitivity of Estimators for Measuring Information Amount in Web-Based Medical Documents 基于网络的医学文献信息量估计器的灵敏度
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847005
Jolanta Mizera-Pietraszko
Nowadays, communication between patient and doctor during an appointment has changed significantly owning to the opportunity that medical portals provide. Whether or not necessarily appreciated by the doctors, the patients became more aware of the first symptoms’ suggesting a particular disease and the medical procedures that apply as a standard. Estimating amount of reliable factual medical information in a document is carried out by parametrizing space of digital documents and dividing it into subsequent layers that represent distribution of the system responses computed as random variables to a query about medical information. Analyzed are the following attributes: dynamism of decrease of query words numbers in the documents, precision, recall in the metric space layers, their mutual correlation and specifically the amount of reliable medical information in the documents. Sensitivity of estimators is explored in order to determine the final decision about further browsing digital documents of the metric space for more medical information that satisfies the user’s need. For identification of the true positive information in the space layer and then, in each document of this layer, matching of medical terminology with the document contents, is processed following binary Boolean search space model.
如今,由于医疗门户网站提供的机会,预约期间患者和医生之间的沟通发生了重大变化。无论是否得到医生的认可,患者都越来越意识到最初的症状表明了一种特定的疾病,以及作为标准的医疗程序。通过对数字文档的空间进行参数化,并将其划分为后续的层,这些层表示作为随机变量计算的系统响应对医疗信息查询的分布,从而估计文档中可靠的事实医学信息的数量。分析了文档中查询词数减少的动态性、度量空间层的查全率、查全率、查全率和查全率之间的相互关系,特别是文档中可靠医疗信息的数量。探讨了估计器的灵敏度,以确定是否进一步浏览度量空间的数字文档以获得更多满足用户需求的医疗信息的最终决策。为了识别空间层中的真正信息,然后在该层的每个文档中,按照二进制布尔搜索空间模型进行医学术语与文档内容的匹配。
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引用次数: 0
The importance of interaction mechanisms in blended learning courses involving problem solving e-tivities 在涉及解决问题的电子活动的混合学习课程中,互动机制的重要性
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847104
A. Venditti, F. Fasano, M. Risi, G. Tortora
Blended learning is widely adopted by education agencies and organizations, as it is a flexible model in which face-to-face classroom practices are combined with computer-mediated activities. To overcome the limits of the loss of interaction between teacher and students and among students in distance learning, researchers proposed several solutions, conducting experiments in several teaching areas. Our interest is aimed at studying blended learning with a specific focus on those courses involving problem solving activities, through collaboration among students.Modern Learning Management Systems (LMS) allow to define virtual classrooms and offer various functionalities to support the class. At the same time, they are not designed to fully support all type of activities. Thus, they provide the possibility of integrating other more useful systems for more specific activities. A standard LMS has to be integrated using specific tools when problem solving activities are planned, to ensure effective collaboration among students. In this regard, there is no convergence towards a specific tool that can be used to carry out problem solving activities in collaboration.This paper aims to propose a minimal set of requirements for interaction mechanisms to support problem solving activities in a collaborative environment, in order to obtain better quality artifacts. We also report the results of a three-month experimental course (12 weeks) entitled ”Project Management: a look ahead”, based on blended learning and problem solving activities. The minimal set of requirements for interaction mechanisms was implemented using GitHub, that is not a teaching software, but it is a global software development tool which has powerful communication mechanisms. The results show that the aid of the proposed minimal set of requirements for interaction mechanisms significantly improves the quality of artifacts when problem solving activities are carried out.
混合式学习被教育机构和组织广泛采用,因为它是一种灵活的模式,将面对面的课堂实践与计算机媒介活动相结合。为了克服远程教学中师生之间和学生之间缺乏互动的限制,研究人员提出了几种解决方案,并在几个教学领域进行了实验。我们的兴趣是通过学生之间的合作,研究混合学习,特别关注那些涉及解决问题活动的课程。现代学习管理系统(LMS)允许定义虚拟教室,并提供各种功能来支持课堂。同时,它们的设计并不是为了完全支持所有类型的活动。因此,它们提供了为更具体的活动整合其他更有用的系统的可能性。当计划解决问题的活动时,必须使用特定的工具集成标准的LMS,以确保学生之间的有效协作。在这方面,没有一个特定的工具可以用来在协作中执行解决问题的活动。本文旨在为协作环境中支持问题解决活动的交互机制提出一组最小的需求,以获得更高质量的工件。我们还报告了一个为期三个月的实验课程(12周)的结果,题为“项目管理:展望”,基于混合学习和解决问题的活动。交互机制的最小需求集是使用GitHub实现的,GitHub不是一个教学软件,而是一个具有强大通信机制的全球软件开发工具。结果表明,当执行解决问题的活动时,建议的交互机制的最小需求集的帮助显著地提高了工件的质量。
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引用次数: 5
Forecasting Financial Risk using Quantum Neural Networks 利用量子神经网络预测金融风险
Pub Date : 2018-09-01 DOI: 10.1109/ICDIM.2018.8847063
A. E. Bouchti, Younes Tribis, Tarik Nahhal, C. Okar
There has been enormous attention in quantum algorithms for reinforcing machine learning (ML) algorithms. In the current paper, we present quantum neural networks (QNNs) and a method of training which is well in quantum system and is improved with momentum accession and parameter self adaptive algorithm, and we build a new financial risk forecasting model. We apply this model to the empirical research on the financial risk forecasting of some Moroccan companies. Then we will compare the findings with the standard artificial neural network (ANNs).
用于强化机器学习(ML)算法的量子算法受到了极大的关注。在本文中,我们提出了量子神经网络(QNNs)和一种在量子系统中很好的训练方法,并通过动量加入和参数自适应算法进行改进,建立了一种新的金融风险预测模型。本文运用该模型对摩洛哥部分企业的财务风险预测进行了实证研究。然后我们将结果与标准人工神经网络(ANNs)进行比较。
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引用次数: 6
期刊
2018 Thirteenth International Conference on Digital Information Management (ICDIM)
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