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Diogene-CT: tools and methodologies for teaching and learning coding

INTERNATIONAL JOURNAL OF EDUCATIONAL TECHNOLOGY IN HIGHER EDUCATION 2021年第1期18卷 1-26页

作者： Mecca, Giansalvatore Santoro, Donatello Sileno, Nazzareno Veltri, Enzo Univ Basilicata Potenza Italy

Computational thinking is the capacity of undertaking a problem-solving process in various disciplines (including STEM, i.e. science, technology, engineering and mathematics) using distinctive techniques that are typical of computer science. It is nowadays considered a fundamental skill for students and citizens, that has the potential to affect future generations. At the roots of computational-thinking abilities stands the knowledge of computer programming, i.e. coding. With the goal of fostering computational thinking in young students, we address the challenging and open problem of using methods, tools and techniques to support teaching and learning of computer-programming skills in school curricula of the secondary grade and university courses. This problem is made complex by several factors. In fact, coding requires abstraction capabilities and complex cognitive skills such as procedural and conditional reasoning, planning, and analogical reasoning. In this paper, we introduce a new paradigm called ACME ("Code Animation by Evolved Metaphors") that stands at the foundation of the Diogene-CT code visualization environment and methodology. We develop consistent visual metaphors for both procedural and object-oriented programming. Based on the metaphors, we introduce a playground architecture to support teaching and learning of the principles of coding. To the best of our knowledge, this is the first scalable code visualization tool using consistent metaphors in the field of the Computing Education Research (CER). It might be considered as a new kind of tools named as code visualization environments.

关键词： coding tools and techniques Learning environments Educational support Computers and education

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Deep learning based optimised data transmission over 5G networks with Lagrangian encoder

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COMPUTERS & ELECTRICAL ENGINEERING 2022年 102卷

作者： Shilpa, B. Budati, Anil Kumar Rao, L. Koteswara Goyal, S. B. KLEF Dept ECE Hyderabad India GRIET Dept ECE Hyderabad India City Univ Fac Informat Technol Kuala Lumpur Malaysia

Video data transmission without buffering is ubiquitous for all contemporary appliances. The increased consumption of video content has created the demand for more efficient video compression algorithms for high-resolution videos. In this study, a video compression technique is presented that uses a Lagrangian encoder (LE) with H.265 protocol. This architecture provides compression with less bandwidth compared to contemporary encoders, and it is compatible with 5 G network transmission speed and latency. Adding LE in the H.265 protocol architecture reduced the buffering delay and increased the efficiency. Along with these parameters, this study focused on the quality of video streaming, which was measured by metrics such as peak signal to noise ratio (PSNR), structural similarity index (SSIM), and video multi-method assessment fusion (VMAF). A comparison of the values of compression ratio and latency with and without H.264 architecture showed improved performance in the architecture. Thus, deep learning-based optimised data transmission can improve accuracy and reduce computational complexity.

关键词： coding tools and techniques Compression technologies Video coding Wireless communication Deep neural networks Learning-based Lagrangian encoder Video transmission High-efficiency video coding (HEVC) Low latency High resolution

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Lessons in Persisting Object Data Using Object-Relational Mapping

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IEEE SOFTWARE 2019年第6期36卷 43-52页

作者： Vial, Gregory HEC Montreal Dept Informat Technol Montreal PQ Canada

In this article, object-relational mapping (ORM) engines in object-oriented programming are introduced. The tradeoffs that must be considered when using ORM are discussed and four lessons that will help software devel... 详细信息

关键词： Object Oriented Programming Transaction Processing Object Data Object Relational Mapping Engines ORM Object Oriented Programming Transaction Processing Scenarios Databases Software Development Management Object Recognition Java Object Oriented Programming Information Technology Information Technology And Systems Database Management Systems Relational Databases Object Oriented Programming coding tools and techniques Software Engineering Software

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Mercem: Method Name Recommendation Based on Call Graph Embedding 26

Mercem: Method Name Recommendation Based on Call Graph Embed...

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26th Asia-Pacific Software Engineering Conference (APSEC)

作者： Yonai, Hiroshi Hayase, Yasuhiro Kitagawa, Hiroyuki Univ Tsukuba Grad Sch Syst & Informat Engn Tsukuba Ibaraki Japan Univ Tsukuba Fac Engn Informat & Syst Tsukuba Ibaraki Japan Univ Tsukuba Ctr Computat Sci Tsukuba Ibaraki Japan

ISBN: (纸本)9781728146485

Software developers must provide meaningful but short names to identifiers because they strongly affect the comprehensibility of source code. On the other hand, identifier naming can be a difficult and time-consuming task, even for experienced developers. To support identifier naming, several techniques to recommend candidate names have been proposed. These techniques have challenges on the goodness of suggested candidates and limitations of applicable situations. This paper proposes a new approach to recommend method names by applying graph embedding techniques to the call graph. An experiment confirms that the proposed technique can suggest more appropriate name candidates in difficult situations than the state-of-the-art approach.

关键词： coding tools and techniques Maintainability Graphs and networks

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Class Name Recommendation based on Graph Embedding of Program Elements 26

Class Name Recommendation based on Graph Embedding of Progra...

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26th Asia-Pacific Software Engineering Conference (APSEC)

作者： Kurimoto, Shintaro Hayase, Yasuhiro Yonai, Hiroshi Ito, Hiroyoshi Kitagawa, Hiroyuki Univ Tsukuba Tsukuba Ibaraki Japan

ISBN: (纸本)9781728146485

In software development, the quality of identifier names is important because it greatly affects program comprehension for developers. However, naming identifiers that appropriately represent the nature or behavior of program elements such as classes and methods is a difficult task requiring rich development experience and software domain knowledge. Although several studies proposed techniques for recommending identifier names, there are few studies targeting class names and they have limited availability. This paper proposes a novel class name recommendation approach widely available in software development. The key idea is to represent quantitatively the nature or behavior of classes by leveraging embedding technology for heterogeneous graphs. This makes it possible to recommend class names even where a previous approach cannot work. Experimental results suggest that the proposed approach can produce more accurate class name recommendation regardless of whether classes are used. In addition, a further experiment reveals a situation where the proposed approach is particularly effective.

关键词： coding tools and techniques Maintainability Graphs and networks

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Software Support for Multitouch Interaction: The End-User Programming Perspective

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IEEE PERVASIVE COMPUTING 2016年第1期15卷 78-86页

作者： Bellucci, Andrea Romano, Marco Aedo, Ignacio Diaz, Paloma Univ Carlos III Madrid Escuela Politecn Super E-28903 Getafe Spain Univ Carlos III Madrid E-28903 Getafe Spain DEI Res Grp Millersville PA USA

Empowering users with tools for developing multitouch interaction is a promising step toward the materialization of ubiquitous computing. This survey frames the state of the art of existing multitouch software develop... 详细信息

关键词： Software tools Programming Profession Graphics Complexity Theory Sensors Mobile coding tools and techniques Ubiquitous Computing End User Programming Pervasive Computing Software Engineering Graphics

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Coderetreats: Reflective Practice and the Game of Life

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IEEE SOFTWARE 2014年第4期31卷 58-64页

作者： Parsons, David Mathrani, Anuradha Susnjak, Teo Leist, Arno Massey Univ Palmerston North New Zealand

A coderetreat is an event where software developers gather to spend a day exploring their craft in an informal yet intellectually challenging environment. It encourages reflective practice by addressing a single programming problem from different perspectives, with multiple coding partners, freed from the daily pressures of deadlines and the need to deliver completed artifacts. This article describes an experiment in which a coderetreat was run with a group of final-year undergraduates studying software architecture. The authors gathered qualitative and quantitative data to explore the ways in which the activity contributed to the participants' reflective practice. The results suggest that coderetreats are an excellent vehicle for reflective practice in software development, providing a context within which multiple aspects of self-reflection and motivation can be developed. The Web extra at http://***/racyZfkbgnQ is an audio recording in which author David Parsons expands on the article 'Coderetreats: Reflective Practice and the Game of Life,' discussing how coderetreats can encourage self-reflection in software engineers. [ABSTRACT FROM PUBLISHER]

关键词： coding tools and techniques Educational institutions Electronic mail Information technology pervasive computing Programming profession project management Reflection self-assessment Software software engineering software psychology test design

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Recommendation Systems for Software Engineering

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IEEE SOFTWARE 2010年第4期27卷 80-86页

作者： Robillard, Martin P. Walker, Robert J. Zimmermann, Thomas McGill Univ Sch Comp Sci Montreal PQ H3A 2T5 Canada Univ Calgary Dept Comp Sci Calgary AB T2N 1N4 Canada

The article presents an overview of recommendation systems for software engineering (RSSEs). It mentions that software engineering continues to be a challenging task due to the emergence of new technologies, components and ideas. It adds that people tend to find information and come up with decisions in areas where they lack experience or cannot take all data at hand into consideration with the help of various recommendation systems. RSSEs examined include the eRose plug-in, Strathcona system and Suade plug-in.

关键词： Data mining Navigation Engines Design engineering design tools and techniques software engineering development tools programming environments software construction tools coding tools and techniques

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A Monolithic Program vs. Modifiability: Enhancing a Visual Data Flow Program with Object-Oriented techniques

A Monolithic Program vs. Modifiability: Enhancing a Visual D...

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4th International Conference on Software Engineering Advances

作者： Marttila-Kontio, Maija Hassinen, Marko Kontio, Mikko Univ Kuopio Dept Comp Sci FIN-70211 Kuopio Finland Softera Oy Kuopio Finland

ISBN: (纸本)9781424447794

In this paper, we discuss how object-oriented techniques, such as, data encapsulation and inheritance can enhance modifiability and maintainability of a system that is implemented with a visual data flow programming language (VDFL). The paper is written in the light of our recent research on automated documentation system. A visual data flow program can easily suffer from monolithic program structure. A concept of monolithic program is an opposite to the modularity. Modularity is a well-known approach for improving modifiability and maintainability of systems. Another problem appears when modifying the program code. For example, when adding or removing a program part, several modifications have to be done to other places on the program as well. As a result, the object-oriented techniques can reduce the latter problem but they can not reduce the risk of monolithic program structure.

关键词： visual programming data flow languages maintainability coding tools and techniques

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Modular information hiding and type-safe linking for C

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IEEE TRANSACTIONS ON SOFTWARE ENGINEERING 2008年第3期34卷 357-376页

作者： Srivastava, Saurabh Hicks, Michael Foster, Jeffrey S. Jenkins, Patrick Univ Maryland Dept Comp Sci College Pk MD 20742 USA

This paper presents CMOD, a novel tool that provides a sound module system for C. CMOD works by enforcing a set of four rules that are based on principles of modular reasoning and on current programming practice. CMOD's rules flesh out the convention that. h header files are module interfaces and. c source files are module implementations. Although this convention is well known, existing explanations of it are incomplete, omitting important subtleties needed for soundness. In contrast, we have formally proven that CMOD's rules enforce both information hiding and type-safe linking. To use CMOD, the programmer develops and builds their software as usual, redirecting the compiler and linker to CMOD's wrappers. We evaluated CMOD by applying it to 30 open source programs, totaling more than one million lines of code. Violations to CMOD's rules revealed more than a thousand information hiding errors, dozens of typing errors, and hundreds of cases that, although not currently bugs, make programming mistakes more likely as the code evolves. At the same time, programs generally adhere to the assumptions underlying CMOD's rules and, so, we could fix rule violations with a modest effort. We conclude that CMOD can effectively support modular programming in C: It soundly enforces type-safe linking and information hiding while being largely compatible with existing practice.

关键词： coding tools and techniques C modules/packages information hiding type-safe linking CMOD software reliability

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