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2018 5th International Conference on Advanced Informatics: Concept Theory and Applications (ICAICTA)最新文献

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Development of High-Definition 3D Mapping System for Water Resources Management 水资源管理高清晰三维制图系统的开发
Anocha Yaemjaem, N. Sutthisangiam, Amnat Sompan, Nattakit Sa-ngiam, Pongsak Jindasee
This paper is the develop of a high-definition 3D mapping system for use in topographic surveys and management of water resources by using MMS technology (Mobile mapping System) as a tool survey information on the topography, such as canal width, water level, bank level, road height and water regulating building structure. This information is the important in analyzing water situation and finding solutions for water resources management. This research uses 4 part type of devices: GPS, IMU, camera and 3D laser scanner. All devices are designed to be mounted on vehicles. The results of the test run of land vehicles in the area frequently flooded are Chai Nat and Nakhon Sawan Thailand and provide high-definition 3D maps from system. The system can generate high-definition 3D maps, measuring 9 centimeters in horizontal accuracy and 20 centimeters in vertical accuracy.
本文是利用MMS (Mobile mapping system)技术作为工具,对运河宽度、水位、堤岸高度、道路高度、调水建筑结构等地形信息进行测量,开发用于地形调查和水资源管理的高清三维测绘系统。这些信息对于分析水资源状况和寻找水资源管理的解决办法具有重要意义。本研究使用4部分类型的设备:GPS, IMU,相机和3D激光扫描仪。所有的设备都设计安装在车辆上。陆地车辆在泰国Chai Nat和Nakhon Sawan频繁淹水地区的测试结果,并提供了系统的高清3D地图。该系统可以生成高清晰度的3D地图,水平精度为9厘米,垂直精度为20厘米。
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引用次数: 2
Classifying Positive or Negative Text Using Features Based on Opinion Words and Term Frequency - Inverse Document Frequency 基于意见词和词频的特征正反文本分类——逆文档频率
Sasiporn Tongman, N. Wattanakitrungroj
The contents in website and social networks are rapidly generated. The opinions and reviews can be analyzed and classified into two classes, positive or negative opinions, by machine learning methods. However, the main issue is how to representing each text as a proper set of variables, a p-feature vector, so that the successful classifiers can be obtained by one of the supervised learning approaches with its suitable parameter setting. In this study, a two-feature vector representing positive and negative moods in each text was prepared by using lists of positive and negative words, and then combined with term frequency - inverse document frequency (TF-IDF) features. kNN and SVM classifiers were comparatively built by this set and also other baseline set to predict each test vector and measure their effectiveness. Data of text Reviews from Yelp, Amazon and IMDB, were experimented with 10-fold cross validation in parameter variation and feature set reduction using PCA. The best Accuracy results across these three datasets, ~0.81-0.87, were yielded by SVM classifiers with each size of the reduced feature sets that is very smaller than the original size.
网站和社交网络中的内容生成迅速。通过机器学习方法,这些意见和评论可以被分析并分为两类,积极的或消极的意见。然而,主要问题是如何将每个文本表示为一组适当的变量,即p-特征向量,以便通过一种具有适当参数设置的监督学习方法获得成功的分类器。在本研究中,利用正负词列表,结合词频-逆文档频率(TF-IDF)特征,构建了代表文本中积极情绪和消极情绪的双特征向量。通过该集和其他基线集对比构建kNN和SVM分类器,预测每个测试向量并衡量其有效性。对来自Yelp、Amazon和IMDB的文本评论数据进行了10倍交叉验证,使用主成分分析法对参数变化和特征集约简进行了验证。在这三个数据集上,SVM分类器产生的最佳精度结果为~0.81-0.87,每个约简特征集的大小都比原始大小小得多。
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引用次数: 7
Non-overlapping Counting of String Using Suffix Array 使用后缀数组对字符串进行非重叠计数
Kyoji Umemura, Yuto Kohara, Nudtawon Yusuk, Ayaka Takamoto, Mitsuo Yoshida
There are two counting methods of "aa" in "aaa". The first method is overlapping count and this method count two "aa" in "aaa". The overlapping count uses the middle "a" twice. The other method is non-overlapping count which can count only one "aa" in "aaa". Non-overlapping counting uses each character once; therefore, there is only one "aa" in "aaa". In this paper, we provide the formulas to compute non-overlapping count of a string from the overlapping count of the related strings. Because a suffix array is known to be an efficient data structure, to obtain overlapping count of any string we can use suffix array to obtain the non-overlapping count of the given string by the formula which is presented in this paper.
“aaa”中的“aa”有两种计数方法。第一种方法是重叠计数,该方法在“aaa”中计数两个“aa”。重叠计数使用中间的“a”两次。另一种方法是非重叠计数,它只能计数“aaa”中的一个“aa”。非重叠计数使用每个字符一次;因此,“aaa”中只有一个“aa”。本文给出了由相关字符串的重叠计数计算字符串的非重叠计数的公式。由于后缀数组是一种有效的数据结构,为了得到任意字符串的重叠计数,我们可以利用本文给出的公式来得到给定字符串的非重叠计数。
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引用次数: 1
Response Collector: A Video Learning System for Flipped Classrooms 响应收集器:翻转课堂的视频学习系统
Hayato Okumoto, Mitsuo Yoshida, Kyoji Umemura, Yuko Ichikawa
The flipped classroom has become famous as an effective educational method that flips the purpose of classroom study and homework. In this paper, we propose a video learning system for flipped classrooms, called Response Collector, which enables students to record their responses to preparation videos. Our system provides response visualization for teachers and students to understand what they have acquired and questioned. We performed a practical user study of our system in a flipped classroom setup. The results show that students preferred to use the proposed method as the inputting method, rather than naive methods. Moreover, sharing responses among students was helpful for resolving individual students' questions, and students were satisfied with the use of our system.
翻转课堂作为一种有效的教育方法,翻转了课堂学习和家庭作业的目的而闻名。在本文中,我们提出了一个翻转课堂的视频学习系统,称为响应收集器,它使学生能够记录他们对准备视频的反应。我们的系统为老师和学生提供了可视化的回答,让他们了解他们所获得的和提出的问题。我们在翻转教室的设置中对我们的系统进行了实际的用户研究。结果表明,学生更倾向于使用提出的方法作为输入法,而不是幼稚的方法。此外,在学生之间分享回答有助于解决个别学生的问题,学生们对我们的系统的使用感到满意。
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引用次数: 5
User Emotion and Personality in Context-aware Travel Destination Recommendation 情境感知旅游目的地推荐中的用户情感和个性
U. P. Ishanka, Takashi Yukawa
At present, many recommendation systems focus on adapting psychological parameters, such as user emotion and personality, in recommendation algorithms in order to enhance the accuracy of recommendation lists according to user needs. Since users with different personalities tend to prefer items with different features, the personality of a user provides valuable information in exploiting personalized recommendations. Among personality models, the five-factor model appears to be suitable for applying recommendation systems, as it can be quantitatively measured. Moreover, emotion has also been widely adapted to a wide variety of recommendation domains, although few studies have examined tourist destination recommendation. In the present study, we use Plutchick’s emotion classification for emotion acquisition in the recommendation process. In addition, personality traits can be directly related to user emotions in decision making and exploring the relationship between emotion and personality in recommending items is also important. In order to incorporate user emotion in the recommendation process together with user personality, we propose a travel recommendation system that incorporated user personality and emotion. Thus, we compare and clarify the effectiveness of using emotion and personality in the recommendation process together with collaborative filtering techniques.
目前,许多推荐系统都注重在推荐算法中适应用户情感、个性等心理参数,以根据用户需求提高推荐列表的准确性。由于具有不同个性的用户倾向于选择具有不同功能的物品,因此用户的个性为开发个性化推荐提供了有价值的信息。在人格模型中,五因素模型似乎适合应用推荐系统,因为它可以定量测量。此外,情感也被广泛地适应于各种推荐领域,尽管很少有研究对旅游目的地的推荐进行研究。在本研究中,我们使用了Plutchick的情绪分类来研究推荐过程中的情绪习得。此外,在决策过程中,人格特质可以直接影响用户的情绪,探索用户在推荐商品时的情绪与人格之间的关系也很重要。为了在推荐过程中融入用户情感和用户个性,我们提出了一种结合用户个性和情感的旅行推荐系统。因此,我们比较并阐明了在推荐过程中使用情感和个性以及协同过滤技术的有效性。
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引用次数: 5
Software Measurement for E-Commerce CMS by Using OO Metrics and Quality Factor Parameters Based on JAVA 基于JAVA的面向对象度量和质量因子参数的电子商务CMS软件度量
S. Masruroh, Syifa Fauzia, Nashrul Hakiem
Software measurement has been used to analyse software quality in order to provide information for improving software processes and products. The objective of this research is to measure e-commerce Content Management System (CMS) based open source: Magento, OsCommerce, Prestashop, Zencart, and Opencart. The measurement uses two parameters, Object Oriented Metrics (OO Metrics) esspecially in CK Metrics Suite and Quality Factor with the Analytical Hierarchy Process method as the completion step of the parameters used. By using OO Metrics and Quality Factor as a benchmark this will give a ranking in form of CMS e-commerce recommendations which have the best software quality criteria. The CK Metrics Suite that is implemented consists of Weighted Method per Class (WMC), Depth of Inheritance Tree (DIT), Number of Children (NOC), and Coupling Between Objects (CBO). The Quality Factor parameter consists of Maintainability, Efficiency, Understandability, and Reusability. The system development uses is the Rapid Application Development (RAD) method by building JAVA applications. The result found that Magento is the best CMS based on Object Oriented Metrics and Quality Factor parameters.
软件度量已被用于分析软件质量,以便为改进软件过程和产品提供信息。本研究的目的是衡量基于开源的电子商务内容管理系统(CMS): Magento, OsCommerce, Prestashop, Zencart和Opencart。测量使用两个参数,面向对象的度量(OO度量),特别是在CK度量套件和质量因子与分析层次过程方法作为参数使用的完成步骤。通过使用OO度量和质量因子作为基准,这将以CMS电子商务推荐的形式给出具有最佳软件质量标准的排名。实现的CK度量套件由每个类加权方法(WMC)、继承树深度(DIT)、子节点数(NOC)和对象间耦合(CBO)组成。质量因子参数包括可维护性、效率、可理解性和可重用性。系统开发使用的是通过构建JAVA应用程序的快速应用程序开发(RAD)方法。结果表明,基于面向对象度量和质量因子参数,Magento是最好的CMS。
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引用次数: 0
Data-Driven News Generation for Indonesian Municipal Election 数据驱动的印尼市政选举新闻生成
Steffi Indrayani, M. L. Khodra
In order to fulfill the needs of journalistic automation, we develop automatic news generator that accepts structured data and user query and generates Indonesian news article. This paper employs template-based natural language generation in generating Indonesian municipal elections. Based on evaluation using Indonesian news characteristics as the evaluation metric by 15 linguistic experts and 25 active news readers, the average score of the generated news was 3.292 out of 4.
为了满足新闻自动化的需要,我们开发了自动新闻生成器,它接受结构化数据和用户查询,生成印尼语新闻文章。本文采用基于模板的自然语言生成来生成印度尼西亚市政选举。根据15位语言学专家和25位活跃新闻读者以印尼语新闻特征为评价指标的评价,生成的新闻的平均得分为3.292分(满分4分)。
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引用次数: 2
Designing Interaction for Chatbot-Based Conversational Commerce with User-Centered Design 以用户为中心设计基于聊天机器人的会话商务交互
Catherine Pricilla, D. Lestari, Dody Dharma
Chatbot-based conversational commerce which allows buyers to do online shopping by conversing with chatbot through messaging application has been growing in the e-commerce industry. However, based on studies conducted in this paper, findings show that interaction design of the existing conversational commerce are still lacking in various areas. Therefore, an interaction and interface design for chatbot-based conversational commerce are developed in this study using user-centered design. The outcome of this study is a prototype that fulfills the usability goal and the user experience goal defined for chatbot-based conversational commerce on mobile platform especially for Indonesian users. We conduct usability testing to evaluate the prototype. The results show that the prototype fulfills the defined usability goals and user experience goals as 100% users agree that the prototype is effective to use, efficient to use, easy to learn, enjoyable and helpful, although only 83.3% users agree that the prototype is safe to use.
以聊天机器人为基础的对话商务,允许买家通过消息传递应用程序与聊天机器人进行在线购物,在电子商务行业得到了发展。然而,通过本文的研究发现,现有会话式商务的交互设计在很多方面还存在不足。因此,本研究采用以用户为中心的设计,开发了一种基于聊天机器人的会话商务交互和界面设计。本研究的结果是一个原型,实现了可用性目标和用户体验目标,为移动平台上基于聊天机器人的会话商务定义,特别是针对印度尼西亚用户。我们进行可用性测试来评估原型。结果表明,尽管只有83.3%的用户认为原型是安全的,但100%的用户认为原型是有效的、高效的、易学的、令人愉快的和有用的,原型实现了定义的可用性目标和用户体验目标。
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引用次数: 34
Development of a Thermal/Visible Image Fusion System for Situation Awareness 用于态势感知的热/可见图像融合系统的开发
P. Bamrungthai, Prasatporn Wongkamchang
The development of an image fusion system is described in this paper. The system consists of thermal and visible (color) cameras. Image alignment between two camera views is performed by using homography. The homography was estimated from four pairs of corresponding points on a planar object in the captured images that was manually selected by the user. Then, the user-defined region of interest (ROI) is used to adjust scale and position of the two images. Finally, the image fusion algorithm is applied to create the fused image. By thresholding the thermal image at a specified intensity level, the pixel values in the color image will be replaced with a predefined color if the corresponding pixels in the thermal image exceed the threshold value. This technique can provide thermal information of possible targets to be fused with original color image. This makes the system suitable for situation awareness. The experimental results show that the system can operate in real-time with satisfactory results.
本文介绍了一种图像融合系统的研制过程。该系统由热摄像机和可见光(彩色)摄像机组成。两个相机视图之间的图像对齐是通过使用单应性来实现的。从用户手动选择的捕获图像中平面物体上的四对对应点估计出单应性。然后,使用用户定义的感兴趣区域(ROI)来调整两幅图像的比例和位置。最后,应用图像融合算法生成融合图像。通过在指定的强度级别对热图像进行阈值处理,如果热图像中相应的像素超过阈值,则彩色图像中的像素值将被替换为预定义的颜色。该技术可以提供可能目标的热信息与原始彩色图像融合。这使得该系统适合于态势感知。实验结果表明,该系统能够实时运行,并取得了满意的效果。
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引用次数: 1
Air Passenger Estimation Using Gravity Model and Learning Approaches: Case Study of Thailand 基于重力模型和学习方法的航空旅客估计:以泰国为例
Supaporn Erjongmanee, Navatasn Kongsamutr
Air passenger estimation is essential since air-travel demand continuously grows. This work proposes to derive an air-passenger estimation model using three forms of gravity model and two machine learning approaches, regression and neural network. Data used in this work are Thailand’s domestic air-passengers and affecting factors on air-travel demand collected from publicly available sources. The results show that both regression and neural network with one hidden layer provide low error. Gross domestic product and number of tourists change in the same direction with air-passenger demand. The outcomes of this work give more understandings in employing machine learning to estimate air passengers in Thailand and can be developed for more complex forecast models in the future.
由于航空旅行需求不断增长,航空旅客估计是必不可少的。这项工作提出了一个航空乘客估计模型,使用三种形式的重力模型和两种机器学习方法,回归和神经网络。这项工作中使用的数据是从公开来源收集的泰国国内航空乘客和影响航空旅行需求的因素。结果表明,单隐层神经网络和回归算法均具有较低的误差。国内生产总值和游客数量随航空客运需求的变化方向相同。这项工作的结果为使用机器学习来估计泰国的航空乘客提供了更多的理解,并且可以在未来开发更复杂的预测模型。
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引用次数: 2
期刊
2018 5th International Conference on Advanced Informatics: Concept Theory and Applications (ICAICTA)
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