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2020 15th International Conference on Computer Science & Education (ICCSE)最新文献

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Research on the knowledge hierarchy and practice teaching of operating system course under the background of emerging engineering 新兴工程背景下操作系统课程知识层次与实践教学研究
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201856
Xiangqun Chen, Weizhen Sun, Yu Luo, Lei Wang, Yong Xiang
For the construction of emerging engineering, this paper studies the construction of knowledge hierarchy and teaching practice of the operating system course, puts forward the project-centric comprehensive method of study to help students develop the necessary skills, knowledge and quality. Through the reform and innovation, this paper is committed to improving the quality of engineering personnel training with particular emphasis on the formation of the students' engineering thinking. At the same time, this paper aims to make an overall change of engineering education, especially focuses on the learning methods and learning content of college students to achieve the goal of training leading engineering talents who can lead the future development of industry and society.
针对新兴工程的建设,研究了操作系统课程知识层次的构建和教学实践,提出了以项目为中心的综合学习方法,帮助学生培养必要的技能、知识和素质。本文通过改革创新,致力于提高工程人才培养质量,特别注重学生工程思维的形成。同时,本文旨在对工程教育进行全面变革,尤其关注大学生的学习方法和学习内容,以达到培养能够引领行业和社会未来发展的领军工程人才的目标。
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引用次数: 1
Eye-tracking Based Performance Analysis in Error Finding Programming Test 基于眼动追踪的寻错编程测试性能分析
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201882
Lianzhen Liu, Wei Liu, Xinyu Li, Weiwei Wang, W. Cheng
Error finding is a widely-used kind of test to assess the students’ ability in program comprehension and debugging. Recently some eye-tracking based approaches have been proposed to analyze students’ cognitive process in programming, but few of them focused on the performance assessment in programming courses. In our previous work, an eye-tracking assisted framework was proposed to assess the overall performance of one student in a web-based error-find test. Aiming to provide individual diagnostics, we extend that work in this paper, and study 15 students’ performance in different phases of the online test. For each student, his performance is analyzed in two phases, i.e. the code overview phase and the subsequent phase. In the first phase, the behavior of first-time code browsing and first-time error finding is studied and compared. We find that the performance of first error-finding action has obvious correlation with the final test score. In the subsequent phase, the students’ performances are examined in activity sequence separated by the click events. We propose a new metric, namely matched ratio of program execution, to describe the proportion of gaze path matching with the program execution. Data analysis results show that, it is more helpful in interpreting students’ behavior and describing the students’ working efficiency in the test.
错误发现是一种广泛使用的测试,用来评估学生对程序的理解和调试能力。近年来,人们提出了一些基于眼动追踪的方法来分析学生在编程过程中的认知过程,但很少有人关注编程课程的成绩评估。在我们之前的工作中,我们提出了一个眼动追踪辅助框架来评估一个学生在基于网络的错误发现测试中的整体表现。为了提供个性化诊断,我们在本文中扩展了这一工作,并研究了15名学生在不同阶段的在线测试表现。对于每个学生,他的表现分析分为两个阶段,即代码概述阶段和后续阶段。在第一阶段,研究和比较了第一次浏览代码和第一次发现错误的行为。我们发现,第一次找错动作的表现与最终考试成绩有明显的相关性。在接下来的阶段,以点击事件为分隔的活动序列来考察学生的表现。我们提出了一个新的指标,即程序执行匹配率,来描述注视路径与程序执行匹配的比例。数据分析结果表明,它更有助于解释学生的行为和描述学生在测试中的工作效率。
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引用次数: 3
Automated Summarization of Bug Reports to speed-up software development/maintenance process by using Natural Language Processing (NLP) 使用自然语言处理(NLP)自动总结Bug报告以加速软件开发/维护过程
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201846
M. Irtaza Nawaz Tarar, Faizan Ahmed, Wasi Haider Butt
Bug reports can provide a great deal of assistance for developers during the process of development. But due to the large size of bug repositories, it is sometimes difficult to take advantage of these artifacts in the available time. One way of helping developers to provide summaries of these reports and provide relevant details only. Once it’s decided that this is the required report then one can study the details. As text mining technology advances, many substantial approaches have been proposed to generate optimized summaries for bug reports. In this paper, we have proposed an extractive based methodology for the generation of summaries of bug reports by using the sentence embedding. We achieved improved rouge-1 and rouge- 2 results than the previous state of the art systems for the bug report summary generation.
Bug报告可以在开发过程中为开发人员提供大量的帮助。但是由于bug存储库的规模很大,有时很难在可用的时间内利用这些构件。帮助开发人员提供这些报告的摘要并只提供相关细节的一种方法。一旦确定这是必需的报告,就可以研究细节。随着文本挖掘技术的进步,已经提出了许多实质性的方法来为bug报告生成优化的摘要。本文提出了一种基于句子嵌入的基于抽取的bug报告摘要生成方法。在bug报告摘要生成方面,我们获得了比以前的先进系统改进的rouge-1和rouge- 2结果。
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引用次数: 0
Multi-Scale Adaptive Graph Convolutional Network for Skeleton-Based Action Recognition 基于骨架的动作识别的多尺度自适应图卷积网络
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201897
Yiqi Fan, Xiaojuan Wang, Tianqi Lv, Lingrui Wu
Skeleton-based action recognition is a branch of action recognition which uses dynamic skeletons as input. Recent research based on graph convolutional networks (GCN) has achieved remarkable performance in this area. However, feature extraction and fusion at different physical scales have not been well studied. To solve these issues, we propose a novel MultiScale Adaptive Graph Convolutional Network (MSGCN) which contains a Multi-Scale Graph Convolutional Module and a MultiScale Selective Fusion Module. Extensive experiments on NTU- RGBD dataset demonstrate the effectiveness of our method, our method achieved competitive performance on NTU-RGBD dataset.
基于骨架的动作识别是使用动态骨架作为输入的动作识别的一个分支。近年来基于图卷积网络(GCN)的研究在该领域取得了显著的成绩。然而,不同物理尺度下的特征提取和融合尚未得到很好的研究。为了解决这些问题,我们提出了一种新的多尺度自适应图卷积网络(MSGCN),该网络包含一个多尺度图卷积模块和一个多尺度选择融合模块。在NTU-RGBD数据集上的大量实验证明了该方法的有效性,该方法在NTU-RGBD数据集上取得了具有竞争力的性能。
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引用次数: 3
Multi-record Matching Strategy in Assessment of Complex Information System Skills 复杂信息系统技能评估中的多记录匹配策略
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201824
Jimei Li, Ruohui Wang
Complex information system is widely used in modern society, and its skills assessment plays an important role in its practical work. Research on multi-record matching strategy benefits to the quality of assessment results on complex information system skills. This paper takes ERP software as an example and studies the multi-record matching strategy. It firstly designs and implements five record-matching methods, depending on the keywords, the local optimal accuracy, the local optimal scores, the global optimal accuracy and the global optimal scores, and then carries on the comparison to the effect of them. The keywords matching means that all the scoring fields in one record are matched, then the whole record is deemed to be matched. The optimal method refers to selecting the record with the maximum accuracy or scores as the matched record. The local way of matching relies on the order of the records, whereas the global one considers all the possible matches for the determination of the result. When using the accuracy as the optimal selection basis, the number of matching fields in one record must be counted. At the time if the scores are the criteria, the scores of matched fields need to be calculated before working out the final matched records. The paper is aim to help carry out the study in skills assessment and the practical work of complex information system.
复杂信息系统在现代社会中应用广泛,其技能评估在其实际工作中起着重要作用。研究多记录匹配策略有利于提高复杂信息系统技能评估结果的质量。本文以ERP软件为例,研究了多记录匹配策略。首先根据关键词、局部最优精度、局部最优分数、全局最优精度和全局最优分数,设计并实现了五种记录匹配方法,并对它们的效果进行了比较。关键字匹配是指一条记录中的所有得分字段都匹配,则认为整条记录都匹配。最优方法是指选择准确度或分数最高的记录作为匹配记录。局部匹配方法依赖于记录的顺序,而全局匹配方法考虑所有可能的匹配来确定结果。当以准确性作为最优选择依据时,必须计算一条记录中匹配字段的数量。如果分数是标准,则需要在计算最终匹配记录之前计算匹配字段的分数。本文旨在为开展复杂信息系统的技能评估研究和实际工作提供帮助。
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引用次数: 0
Design of Blending Teaching Mode for Software Testing Course 软件测试课程混合教学模式设计
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201740
Aili Liu
Software testing is a very practical course, in order to achieve the teaching requirements of professional ability training as the important target, this paper puts forward the design of blending teaching mode of software testing course from three aspects: teaching method, teaching content and teaching evaluation. Among them, online micro-video teaching is adopted before class, and offline teaching combined with the teaching mode of flipped classroom is adopted in class, running through the teaching methods of graded project-driven and case teaching, and that online recombination test paper is adopted to test students' learning effect after class. This will form a closed loop of pre-class, in-class and after-class learning, giving play to the advantages of online and offline teaching, promoting students' personalized independent learning and in-depth learning, so as to improve students' learning effect.
软件测试是一门实践性很强的课程,为了实现以专业能力培养为重要目标的教学要求,本文从教学方法、教学内容和教学评价三个方面提出了软件测试课程混合式教学模式的设计。其中,课前采用在线微视频教学,课堂上采用线下教学结合翻转课堂教学模式,贯穿分级项目驱动和案例教学的教学方式,课后采用在线重组试卷测试学生的学习效果。这将形成课前、课中、课后学习的闭环,发挥线上和线下教学的优势,促进学生个性化自主学习和深度学习,从而提高学生的学习效果。
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引用次数: 1
iSchood: a Tool Software for Identifying Suspicious Copied Homework Documents with Definitive Contents ischoood:一种识别具有明确内容的可疑复制作业文件的工具软件
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201869
Gang Lu, Jingyang Gao, Ruiqi Li
For the homework that has a definitive result, identifying suspicious copied homework documents from a mass of submitted ones is usually a laborious work. Because the documents have almost the same contents, it is impossible to discover copied ones by reading and comparing their contents in detail. However, copied documents will have similar or even the same file properties to the original ones. That makes it possible to identify the suspicious copied documents with similar file properties. We develop a tool software to process the comparisons automatically. It is based on an open source third-party library, and is developed in .NET as a Windows Form application. It simply reads the file properties, and calculates the hash strings from them. It is not necessary to compare every pair of hash strings. It is just needed to sort all the files by their hash strings, then the files with the same hash strings will be put together. The tool software is named iSchood, which means Identifying Suspicious Copied HOmewOrk Documents. By this software, the suspicious copied documents can be identified in a fast and lightweight way.
对于有明确结果的作业,从大量提交的作业文件中识别可疑的复制作业文件通常是一项艰苦的工作。由于文件的内容几乎相同,因此不可能通过详细阅读和比较内容来发现复制文件。但是,复制的文档将具有与原始文档相似甚至相同的文件属性。这使得识别具有相似文件属性的可疑复制文档成为可能。我们开发了一个工具软件来自动处理比较。它是基于一个开源的第三方库,并在。net中作为Windows窗体应用程序开发的。它只是读取文件属性,并从中计算散列字符串。没有必要比较每一对哈希字符串。只需要按散列字符串对所有文件进行排序,然后将具有相同散列字符串的文件放在一起。这个工具软件被命名为ischoood,意思是识别可疑的复制作业文件。通过该软件,可以快速、轻松地识别可疑的复制文件。
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引用次数: 1
Dynamic facial expression recognition model based on BiLSTM-Attention 基于bilstm -注意力的动态面部表情识别模型
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201892
Lingyu Chen, Y. Ouyang, Yawen Zeng, Yuan-Fang Li
It is common in most service industries to obtain customer satisfaction ratings in the form of questionnaires to improve services, an approach that suffers from sample acquisition difficulties, irrational distribution and subjective error due to customer willingness to participate. To address this issue, this article uses emotion recognition technology to analyze customer emotion expressions in videos instead of traditional questionnaires,but the task of this kind of dynamic facial expression recognition based on image sequences in the process of expression changes still faces huge challenges: traditional recognition methods ignore the relationship between expressions changes and keyframe information.Therefore, this paper proposes a network model based on BiLSTM-Attention structure in combination with VGG16. BiLSTM is used to obtain the contextual characteristics of pictures and capture the relationship between long-term emotional fluctuations. The application of attention mechanism assigns the importance of pictures representing short-term facial expressions of people, and make the model automatically learn information that is highly relevant to decision-making. Experiments show that this method can accurately determine people's comprehensive emotions over a period of time and has a good learning performance.
在大多数服务行业中,以问卷的形式获取顾客满意度评分来改善服务是很常见的,这种方式存在样本获取困难、分布不合理以及顾客参与意愿的主观误差等问题。为了解决这一问题,本文采用情绪识别技术来分析视频中的顾客情绪表情,而不是传统的问卷调查,但是这种基于图像序列的动态面部表情识别任务在表情变化过程中仍然面临着巨大的挑战:传统的识别方法忽略了表情变化与关键帧信息之间的关系。因此,本文提出了一种基于bilstm -注意力结构并结合VGG16的网络模型。BiLSTM用于获取图片的语境特征,捕捉长期情绪波动之间的关系。注意机制的应用为代表人们短期面部表情的图片分配重要性,使模型自动学习与决策高度相关的信息。实验表明,该方法能准确判断人在一段时间内的综合情绪,具有良好的学习性能。
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引用次数: 8
Active Learning in Online Computer Systems Course 联机计算机系统课程中的主动学习
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201692
Lida Huang, Huan Zhao, Kehua Yang, Yan Liu, Jingke She, Xiongren Xiao, Guoqi Xie, Wendan Yuan
Active learning has been proven to improve students learning outcomes effectively. An online active learning pedagogy model is designed and applied in online Computer Systems course this Spring. The model includes five cycle phases which cover online feedback between students and instructor before class, active discussion in the online class, and asynchronous interaction after class in the virtual education environment. Based on the data from students’ questionnaires and the test score ratio shows the active learning pedagogy model is efficient for online education.
主动学习已被证明能有效地提高学生的学习成果。设计了一种在线主动学习的教学模式,并将其应用于今年春季计算机系统在线课程。该模型包括五个循环阶段,包括课前学生与教师之间的在线反馈,在线课堂上的积极讨论,以及虚拟教育环境下的课后异步互动。从学生的问卷调查数据和考试分数率数据来看,主动学习教学法模式对网络教育是有效的。
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引用次数: 1
Design and Implementation of University Continuing Education Informatization Platform Based on SaaS Model 基于SaaS模式的高校继续教育信息化平台的设计与实现
Pub Date : 2020-08-01 DOI: 10.1109/ICCSE49874.2020.9201626
Boqin Liu, Hanrong Chen, He Junmei
With constant progress being made in informatization of network and continuing education, remote continuing education informatization infrastructure has reached certain scale in our school. Our construction capability has been enhanced steadily, while the number and quality of digital education resources has witnessed substantial improvement. Given the wide coverage of our external learning centers (311 off-campus learning centers in over 20 provinces, including municipalities and autonomous regions, and over 100 Aopeng off-campus learning centers), some centers, with limited funding, is facing problems like high software development costs and maintenance and upgrading difficulties. On-line software service based on SaaS is a newly-emerged software application mode and also one of the three cloud computing modes. In this thesis, the on-line learning platform based on SaaS mode, being practical, universally-applicable, flexible and extendable, transformed educational software from traditional products into service, which could greatly reduce software and hardware and thereby better serve the remote continuing education in our school.
随着网络和继续教育信息化的不断推进,我校远程继续教育信息化基础设施已形成一定规模。建设能力稳步提升,数字教育资源数量和质量大幅提升。由于我们的外部学习中心覆盖范围广(包括直辖市和自治区在内的20多个省311个校外学习中心,以及100多个奥朋校外学习中心),一些中心由于资金有限,面临着软件开发成本高、维护升级困难等问题。基于SaaS的在线软件服务是一种新兴的软件应用模式,也是云计算三大模式之一。本文采用基于SaaS模式的在线学习平台,将教育软件从传统的产品转化为服务,具有实用性、通用性、灵活性和可扩展性,大大减少了软件和硬件的使用,从而更好地服务于我校的远程继续教育。
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引用次数: 1
期刊
2020 15th International Conference on Computer Science & Education (ICCSE)
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