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Proceedings of the 2020 2nd Asia Pacific Information Technology Conference最新文献

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Prediction, Visualization, and Optimization of Resources Using Time-Series Forecasting Models and Simplex Linear Programming 使用时间序列预测模型和单纯形线性规划的资源预测、可视化和优化
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379315
Eugenia R. Zhuo, Jake Libed
Crime is one of the major problems of countries all over the world, and the Philippines is no exception. Crime prediction and prevention strategies are vital for police forces to face inevitable increases in the crime rate as a side effect of the growth of the urban population. This paper focuses on the prediction of crime rates. It also focuses on the development and testing of the effectiveness of the optimization model in reducing the crime rate score reduction considering the number of mobility using Simplex Linear Programming and regression analysis. Various time-series forecasting models were applied in the crime dataset using the SAS tool. Datasets were extracted from fourteen (14) municipal police stations of Rizal Province, which contains historical data of crime statistics from 2013 to 2017 and mobility resources for each Police station.. MAPE was used to determine the accuracy of each model. The prediction results can be useful for the police stations to identify problematic regions to patrol and the predicted values for mobility derived from the optimization model can be a valuable information in decision making specifically in the disposition of mobility for a given locality to suppress crime so that law and order can be maintained properly and there is a sense of safety and well-being among the citizens in the province.
犯罪是世界各国的主要问题之一,菲律宾也不例外。犯罪预测和预防策略对于警察部队面对不可避免的犯罪率上升是至关重要的,这是城市人口增长的副作用。本文的研究重点是犯罪率的预测。利用单纯形线性规划和回归分析方法,开发并检验了该优化模型在考虑交通工具数量的情况下降低犯罪率得分的有效性。使用SAS工具在犯罪数据集中应用了各种时间序列预测模型。数据集取自黎刹省14个市派出所,包含2013 - 2017年的犯罪统计历史数据和各派出所的机动资源。MAPE用于确定每个模型的准确性。预测结果可为派出所识别问题巡逻区域提供参考,优化模型得出的流动性预测值可为决策提供有价值的信息,特别是针对特定地区的流动性配置,以打击犯罪,从而维持适当的法律和秩序,并使该省公民有安全感和幸福感。
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引用次数: 0
BPTrends Redesign Methodology (BPRM) for the Development Disaster Management Prevention Information System 发展灾害管理预防信息系统的BPRM方法
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3381042
Anita Ratnasari, D. Fitrianah, W. H. Haji
Indonesia's forest fire disaster is still much happening and has become a national problem; if it is not handled thoughtfully, it can be a threat to worry about, and can disrupt the Indonesian economy. According to BMKG, Pekanbaru meteorological station declared a forest fire had struck 11 regencies in Riau Province on July 2019. Indications of the fire were detected from the existence of 38 hot spots in the area. Previous research has been conducted to develop the SI/TI framework for the mitigation of forest fire disaster using TOGAF, which result is a reference in business development to technology design for disaster management. This paper proposes a recommendation for business process development and the design of disaster management technology. BPTrends Redesign method outlines activity and improvement in business process consisting of activity, role, result, technique, and meta-model in the development of disaster management prevention information system, thus obtained a more comprehensive recommendation in its application development. The results of the discussion obtained technology architecture from the Organization Database to Emergency Management information System and overview of the business model in the form of Disaster integration and Safety Information system which explains about internal and external access.
印尼的森林火灾仍时有发生,已成为一个全国性的问题;如果处理不当,它可能会成为令人担忧的威胁,并可能破坏印尼的经济。据BMKG报道,北干巴鲁气象站宣布,2019年7月,廖内省11个县发生森林火灾。从该地区存在的38个热点中发现了火灾的迹象。以前的研究已经使用TOGAF来开发SI/TI框架以减轻森林火灾灾害,其结果是在业务开发中对灾害管理技术设计的参考。本文对业务流程的开发和灾害管理技术的设计提出了建议。BPTrends Redesign方法概述了灾害管理预防信息系统开发过程中由活动、角色、结果、技术和元模型组成的业务流程的活动和改进,从而在其应用开发中获得了更全面的建议。讨论的结果得到了从组织数据库到应急管理信息系统的技术架构和灾害集成与安全信息系统形式的业务模式概述,并对内部和外部访问进行了说明。
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引用次数: 2
Identifying Critical Success Factors for Information Technology Projects with an Analytic Hierarchy Process: A Case of a Telco Company in Indonesia 用层次分析法确定信息技术项目成功的关键因素:以印尼一家电信公司为例
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379326
Luthfi Azizi Gumay, B. Purwandari, T. Raharjo, Alfi Wahyudi, Mardiana Purwaningsih
A survey in a software development project revealed that 71% of the project failed or ended in challenges. A similar issue also occurred in a telecommunications company in Indonesia. The company performed its strategy in terms of initiating the growth of its new broadband business. Only 44% of projects ran on time, as planned. The rest failed to meet the target. Hence, this study was conducted to investigate the critical success factors and criteria for the broadband ordering project ran by the company. The qualitative method was performed to gather critical success factors and criteria. Besides, the quantitative method was conducted to calculate the rank of factors using the Analytic Hierarchy Process (AHP). Based on the pairwise comparison conducted by administering questionnaires to key stakeholders, the most important factors are customer involvement and effective communication, followed by the capability and motivation of the team. The lowest level is top-level management support and organizational culture. The critical success factors are compiled based on success-related criteria, which are scope, time, cost, quality, and user satisfaction.
一项针对软件开发项目的调查显示,71%的项目失败或以挑战告终。印度尼西亚的一家电信公司也发生了类似的问题。该公司在启动其新的宽带业务增长方面执行了其战略。只有44%的项目按计划按时完成。其余的没有达到目标。因此,本研究旨在探讨该公司经营的宽带订购项目的关键成功因素和标准。采用定性方法收集关键成功因素和标准。此外,采用层次分析法(AHP)进行了因子排序的定量计算。通过对关键利益相关者进行问卷调查的两两比较,发现最重要的因素是客户参与和有效沟通,其次是团队的能力和动机。最底层是高层管理支持和组织文化。关键的成功因素是根据与成功相关的标准编制的,这些标准包括范围、时间、成本、质量和用户满意度。
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引用次数: 11
Newton-Raphson Algorithm for Determination of SIFs and Crack-tip from Photoelastic Images 光弹性图像中SIFs和裂纹尖端的Newton-Raphson算法
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379311
Z. Lei, Jianchao Zou, R. Bai
The combination of multi-parameter stress field equations and photoelastic images, a nonlinear least-squares method was deduced and applied to determine the parameters in the stress field equations of crack tip by fitting the isochromatic phase field obtained by the ten-step phase-shifting in digital photoelasticity. Not only the parameters in the stress field equations but also the coordinates of crack tip were determined simultaneously and automatically by using the proposed method. A set of over-determined nonlinear equations were established to estimate the unknown parameters by an iterative procedure based on Newton-Raphson method. Simulation and experimental results validated the correctness of the proposed method.
结合多参数应力场方程和光弹性图像,推导出一种非线性最小二乘法,并通过拟合数字光弹性中十步相移得到的等色相场来确定裂纹尖端应力场方程中的参数。该方法不仅可以同时自动确定应力场方程中的参数,还可以自动确定裂纹尖端的坐标。基于牛顿-拉夫逊法,建立了一组超定非线性方程,通过迭代法对未知参数进行估计。仿真和实验结果验证了该方法的正确性。
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引用次数: 0
Measuring Impact of Academic Research in Computer and Information Science on Society 衡量计算机与信息科学学术研究对社会的影响
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379312
Kushwanth Koya, G. Chowdhury
Academic research in computer & information science (CIS) has contributed immensely to all aspects of society. As academic research today is substantially supported by various government sources, recent political changes have created ambivalence amongst academics about the future of research funding. With uncertainty looming, it is important to develop a framework to extract and measure the information relating to impact of CIS research on society to justify public funding, and demonstrate the actual contribution and impact of CIS research outside academia. A new method combining discourse analysis and text mining of a collection of over 1000 pages of impact case study documents written in free-text format for the Research Excellence Framework (REF) 2014 was developed in order to identify the most commonly used categories or headings for reporting impact of CIS research by UK Universities (UKU). According to the research reported in REF2014, UKU acquired 83 patents in various areas of CIS, created 64 spin-offs, generated £857.5 million in different financial forms, created substantial employment, reached over 6 billion users worldwide and has helped save over £1 billion Pounds due to improved processes etc. to various sectors internationally, between 2008 and 2013.
计算机与信息科学(CIS)的学术研究对社会的各个方面都做出了巨大贡献。由于今天的学术研究基本上是由各种政府来源支持的,最近的政治变化使学术界对研究资金的未来产生了矛盾心理。随着不确定性的逼近,重要的是要制定一个框架来提取和衡量与CIS研究对社会影响有关的信息,以证明公共资金的合理性,并展示CIS研究在学术界之外的实际贡献和影响。为了确定英国大学(UKU)报告CIS研究影响最常用的类别或标题,为2014年研究卓越框架(REF)开发了一种结合话语分析和文本挖掘的新方法,该方法收集了1000多页以自由文本格式编写的影响案例研究文件。根据REF2014的研究报告,UKU在CIS的各个领域获得了83项专利,创造了64项衍生产品,以不同的财务形式产生了8.575亿英镑,创造了大量就业机会,在全球范围内达到了60多亿用户,并通过改进流程等帮助节省了超过10亿英镑。
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引用次数: 1
Extended PrefixSpan for Efficient Sequential Pattern Mining in a Game-based Learning Environment 基于游戏的学习环境中有效序列模式挖掘的扩展前缀跨度
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3381044
R. S. Bermudez, Ariel M. Sison, Ruji P. Medina
This paper proposed an extended version of PrefixSpan as a better sequential pattern mining for a game-based learning environment (GBLE). The extended version of PrefixSpan evolved on integrating time interval constraints, clustering valued actions and extracting the closed sequences. These three concepts were derived after a previous work showed limitations of PrefixSpan in generating sequence patterns that can be used in tutoring services of a GBLE. The extended PrefixSpan underwent two phases of evaluation, performance evaluation and analyzing the quality of generated sequence patterns. The evaluation results showed that the extended versions provided a significant improvement in terms of execution time and the number of generated sequence patterns. Lastly, it shows significant improvement in the quality of sequence patterns generated as shown in better tutoring service it provided after integrating it to the GBLE.
本文提出了一个扩展版本的PrefixSpan,作为一个更好的基于游戏的学习环境(GBLE)的顺序模式挖掘。扩展版PrefixSpan在时间区间约束的积分、有值动作的聚类和封闭序列的提取等方面进行了改进。这三个概念是在先前的工作表明PrefixSpan在生成可用于GBLE辅导服务的序列模式方面的局限性之后衍生出来的。对扩展的PrefixSpan进行了性能评价和生成序列模式质量分析两个阶段的评价。评估结果表明,扩展版本在执行时间和生成的序列模式数量方面提供了显著的改进。最后,将其集成到GBLE后,生成的序列模式质量有了显著提高,这表明它提供了更好的辅导服务。
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引用次数: 3
Design Thinking Approach for Mobile Application Design of Disaster Mitigation Management 防灾管理移动应用设计的设计思维方法
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379324
A. Suzianti, A. Wulandari, Almer Hafiz Yusuf, Anggar Belahakki, Febe Monika
Effective disaster management lead to useful and reliable mitigation program. Mitigation program is an action to reduce the risk to life, property, social and economic activities, etc. from natural disasters. One of the most often disasters that occurred in Indonesia is a tsunami. Tsunami also had a lot of victims, including life victims, house, property, etc. This article focuses on using design thinking method as an approach to developing a mobile application for tsunami disaster management in Indonesia. The first step of the design thinking is empathizing with the user, which we have done by with the victims of the tsunami by interviewing one of the survivors. The second step is defining the user's needs. In the third step, ideation, we are doing brainstorming by using an affinity diagram. After that, we are developing the prototype by developing the beta version of the application to visualize the interfaces. Lastly, in the testing step in validating our mobile application prototype, we visited one of the schools in Banten which had experienced a tsunami disaster. In the end, we are discussing the results including from the pre-test and post-test results from students who had tried our application.
有效的灾害管理导致有用和可靠的减灾方案。减灾方案是减少自然灾害给生命、财产、社会和经济活动等带来的风险的一种行动。海啸是印尼最常发生的灾难之一。海啸也有很多受害者,包括生命受害者,房屋,财产等。本文的重点是将设计思维方法作为一种开发印尼海啸灾害管理移动应用程序的方法。设计思维的第一步是与用户产生共鸣,我们通过采访海啸的受害者来做到这一点。第二步是定义用户的需求。在第三步,构思中,我们使用亲和图来进行头脑风暴。在那之后,我们通过开发应用程序的测试版来开发原型,以使界面可视化。最后,在验证手机应用原型的测试步骤中,我们访问了万丹的一所遭受海啸灾难的学校。最后,我们讨论了使用我们应用程序的学生的测试结果,包括测试前和测试后的结果。
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引用次数: 7
Guiding the Illumination Estimation Using the Attention Mechanism 利用注意机制指导照度估计
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379329
Karlo Koščević, M. Subašić, S. Lončarić
Deep learning methods have achieved a large step forward in many computer vision applications. With mechanisms such as attention, deep models can now guide themselves to focus on parts of an image that are more significant for a given task. In computational color constancy, the most important step is to estimate the illumination vector as accurately as possible. Since illumination estimation algorithms can be sensitive to noise, such as ambiguous regions in the image, the ability to have a mechanism to look for specific regions in an image could be helpful. In this paper, a convolutional neural network with an attention mechanism is proposed. The attention mechanism helps the network to focus on regions that contain more content and to avoid regions where ambiguous estimations may occur. In the experimental results, it is shown that the attention mechanism does help the network to obtain more accurate estimations and puts the focus of the network on the regions in an image where gradients are high. The network with the attention mechanism achieves up to 10% increase in accuracy compared to the same network architecture without the attention mechanism.
深度学习方法在许多计算机视觉应用中取得了很大的进步。有了注意力等机制,深度模型现在可以引导自己专注于图像中对给定任务更重要的部分。在色彩常数计算中,最重要的一步是尽可能准确地估计光照向量。由于照明估计算法可能对噪声敏感,例如图像中的模糊区域,因此具有在图像中查找特定区域的机制的能力可能会有所帮助。本文提出了一种具有注意机制的卷积神经网络。注意机制帮助网络集中在包含更多内容的区域,并避免可能出现模糊估计的区域。实验结果表明,注意机制确实有助于网络获得更准确的估计,并将网络的焦点放在图像中梯度高的区域上。与没有注意机制的相同网络架构相比,具有注意机制的网络的准确率提高了10%。
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引用次数: 9
SSS 瑞士
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379313
John Cruz, Bryan Christian M. Galon, Jae Yeon J. Han, Leania Mahimer A. Mahimer, Eugenia R. Zhuo
As a developing country, the Philippines has widespread use of pesticides to control soil pests and weeds; however, these chemicals can contaminate soil and have an adverse effect on soil quality. Currently, other countries are already promoting the practice of organic agriculture in weed control, and one of them is soil solarization. This paper presents an experimental embedded system developed using evolutionary prototyping to aid in performing soil solarization. It used probes as sensors for measuring soil temperature, moisture, pH, and electrical conductivity, with Arduino and Raspberry Pi as mainboards, and a 100-watt incandescent lamp was used as for soil heating. Measurements can be seen on a liquid-crystal display screen and through a web application accessed remotely using a web browser from a device connected in the system's hotspot network. The system was used for a 3-day and 2-week solarization using containerized sample soil that was previously infested with weeds and two layers of 50μm transparent polyethylene plastic as mulch. The temperature and moisture of the soil were measured every 6 hours throughout the process. Based on the soil's determined pH and EC on pre- and post-solarization, information, if the soil is in optimal condition for plant growth, was displayed on the application. Soil solarization using the system for both instances entailed a significant increase in temperature and a decrease in moisture, but soil status and salinity cla'ss were retained as they were before solarization. Moreover, weed germination was not present weeks after using the system which determined its effectiveness and potential as a preventive method for weed management.
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引用次数: 0
Transforming Smart Vehicles and Smart Homes into Private Diagnostic Spaces 将智能汽车和智能家居转变为私人诊断空间
Pub Date : 2020-01-17 DOI: 10.1145/3379310.3379325
T. Deserno
The aging societies require disruptive technologies and digitization of health is one of these. Similar to the controller area network bus of (smart) cars we have developed a bus-based system for smart homes. We consider both, vehicles and homes as private spaces, which, in contrast to smart wearables or smart clothes, provide sufficient power supply, computer, and storage hardware. Today's homes and cars are already equipped with a variety of sensors that deliver data relevant with respect to health. The daily delay between opening of bedroom and bathroom doors, or the time between opening the car's door and starting its engine indicates mobility. We further empower eHealth if private spaces are equipped with medical sensors (Step I of the required transforms). However, unobtrusive continuous monitoring of vital signs and biosignals is no yet explored clinically, and data to train artificial intelligence is missing. We propose steering wheel integrated electrocardiography (ECG) recording in smart vehicles and capacitive ECG recording in the chair and bed of the smart home for stroke prevention due to early detection of latent atrial fibrillation. Furthermore, the processing unit needs data warehousing and analytics (Step II). The communication interface needs semantic operability and secure channels, which we propose to establish using the international standard accident number (ISAN) (Step III). Finally, the combination with a medical application such as stroke prevention (Step IV) turns smart environments into private diagnostic spaces.
老龄化社会需要颠覆性技术,医疗数字化就是其中之一。与智能汽车的控制器局域网总线类似,我们开发了一种基于总线的智能家居系统。我们将车辆和住宅都视为私人空间,与智能可穿戴设备或智能服装相比,它们提供了足够的电源、计算机和存储硬件。如今的家庭和汽车已经配备了各种各样的传感器,可以提供与健康相关的数据。每天打开卧室门和浴室门之间的时间差,或者打开车门和启动引擎之间的时间间隔,都表明了人们的流动性。如果私人空间配备医疗传感器(所需改造的第一步),我们将进一步增强电子卫生的能力。然而,临床尚未探索对生命体征和生物信号进行不显眼的连续监测,并且缺乏训练人工智能的数据。我们建议在智能车辆上进行方向盘综合心电图记录,在智能家居的椅子和床上进行电容式心电图记录,因为可以早期发现潜在的心房颤动,从而预防中风。此外,处理单元需要数据仓库和分析(第二步)。通信接口需要语义可操作性和安全通道,我们建议使用国际标准事故编号(ISAN)建立(第三步)。最后,与医疗应用(如中风预防)的结合(第四步)将智能环境变成私人诊断空间。
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引用次数: 17
期刊
Proceedings of the 2020 2nd Asia Pacific Information Technology Conference
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