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IEEE Frontiers in Education Conference (FIE)

作者： Hijon-Neira, Raquel Velazquez-Iturbide, Angel Pizarro-Romero, Celeste Carrico, Luis Univ Rey Juan Carlos Mostoles LITE Lab Informat Technol Educ Madrid Spain Univ Lisbon HCIM Human Comp Interact & Multimedia LaSIGE Large Scale Informat Syst Lab Lisbon Portugal

ISBN: (纸本)9781479939220

In Computer Science Education there is a tendency to implement active learning paradigms where students are the focus of the educational process. An instantiation of these learning methods are gaming environments. We present ProGames, a system for learning programming skills through a leveled set of visually-attractive and interactive programming games in Greenfoot, categorized by student's likes, offering them solutions to sets of problems that they really enjoy or like most. We present a combined evaluation of usability (first) done during the academic course 2012-13 in three Computer Science Degrees and an evaluation of appealing for the students (second) based on the organization in games categories done during the academic course 2013-14. The combination of both evaluations suggests that offering students a set of serious games that meets their likes really increases their appeal for the games and therefore for learning with them. We present this experience to encourage academia to propose their students learning materials which really are appealing to them and why not? Fun.

关键词： Game programming Greenfoot Introductory Computing Courses visual programming language Software Appealing

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DATA FLOW DIAGRAMS IN GEOGRAPHIC INFORMATION SYSTEMS: A SURVEY 14

DATA FLOW DIAGRAMS IN GEOGRAPHIC INFORMATION SYSTEMS: A SURV...

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14th International Multidisciplinary Scientific Geoconference (SGEM)

作者： Dobesova, Zdena Palacky Univ CR-77147 Olomouc Czech Republic

ISBN: (纸本)9786197105100

Data flow diagrams (DFD) are one of the oldest graphical representations in informatics. The data flow diagrams can be consider as visual programming language (VPL). Nowadays, geographic information systems (GIS) have some graphical environment that assists in the designing of flow chart model. The article brings an overview of notations and formal semantics for data flow diagrams in GIS. The survey contains software ArcGIS for Desktop 10.2, ERDAS IMAGINE 2013, IDRISI Selva and AutoCAD Map 3D 2014. Beside the commercial software, the open source QGIS 2.2 and its component Processing Modeler is mentioned. The article concerns more to the graphical notation than the amount of functionality. The graphical notation is important from the point of perception and cognition. The main task of data flow diagrams is to support the batch processing data. The next function is a "graphical report" of steps of processing. From the point of these two tasks, the graphical notation is important. For all that purposes, it is necessary to use cognitively effective visual notations. Cognitively effective means optimized for processing by the human mind. An optimized notation helps to user very quickly understand to the diagram [1].

关键词： geoinformatics notation visual programming language diagram cognition perception

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Automated Test Generation Based on a visual language Applicational Model

Automated Test Generation Based on a Visual Language Applica...

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IEEE Symposium on visual languages and Human-Centric Computing (VL/HCC)

作者： Cabeda, Mariana Santos, Pedro FCT UNL Lisbon Portugal OutSystems Linda A Velha Portugal

ISBN: (纸本)9781538642351

This showpiece presents a tool that aids OutSystems developers in the task of generating test suites for their applications in an efficient and effective manner. The OutSystems language is a visual language graphically represented through a graph that this tool will traverse in order to generate test cases. The tool is able to generate and present to the developer, in an automated manner, the various input combinations needed to reach maximum code coverage, offering a coverage evaluation according to a set of coverage criteria: node, branch, condition, modified condition-decision and multiple condition coverage.

关键词： Software test automation Software test coverage OutSystems language visual programming language OutSystems applicational model

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The design of an array visualization

The design of an array visualization

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IEEE Symposium on visual languages and Human-Centric Computing

作者： Robison, T Univ Washington Seattle WA 98195 USA

ISBN: (纸本)0769524435

We present the visualization of an array for a visual programming language, designed with the qualities of transparency, clarity, visual appeal and efficiency in mind. These qualities are essential to making the array useful to our target users, people without significant programming experience or computer-science background. We then implemented the visualization in the visual programming language known as the Data Factory, and ran a preliminary experiment to help us evaluate the design.

关键词： program visualisation visual languages Data Factory array visualization visual programming language visual languages visualization visual programming arrays

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A block based editor for Python 18

A block based editor for Python

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13th Workshop in Primary and Secondary Computing Education (WiPSCE)

作者： Strong, Glenn O'Carroll, Sean Bresnihan, Nina Trinity Coll Dublin Dublin Ireland

ISBN: (纸本)9781450365888

The transition from commonly used block-based environments to traditional text-based programming systems presents an educational challenge. Solutions to this problem tend to be either purely pedagogical, focusing on developing educational frameworks to assist learners in the transition, or technological and focused on innovative ways to organise the editing of text to support the transition to pure text editing. The difficulty of this transition is in part caused by the need for learners to tackle many changes at once. In this paper we propose a block based environment targeting learners transitioning to traditional programming languages which supports precisely the syntax of the desired text-based language while providing the supportive block-based affordances of the learning environment. In this way it is hoped that the learner can focus on the new syntactic and conceptual material while avoiding the need to also learn the nuances of syntax and text editing. A prototype implementation based on Blockly is described, and application areas are discussed.

关键词： Novice programming Block-based programming visual programming language Computer Science Education

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A visualization tool to support analyzing and evaluating Scratch projects 6

A visualization tool to support analyzing and evaluating Scr...

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6th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI)

作者： Chang, Chih-Kai Tsai, Yu-Tzu Chin, Ya-Lun Natl Univ Tainan Dept Informat & Learning Technol Tainan Taiwan

ISBN: (纸本)9781538606216

In this paper, we combined a visualization tool and Dr. Scratch website service to support instructors evaluating the Scratch projects on an online social networking forum: ***. Scratch is a visual programming language used by youth to design programs like animation, game, or music. Their computational thinking skills take place around program decompositions, program patterns, and data representation in the shared Scratch programs (called projects). Through the exploratory work, we found that some cues, such as deep nested iteration, may be successfully used as indicators of users' computational thinking skills. This suggests future directions for assessing youth's computational thinking skills development and educational opportunities emerging from shared Scratch projects.

关键词： visualization Dr. Scratch Scratch visual programming language computational thinking skill

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Exploring the influence of favorite projects on programming skill improvement: analyzing the longitudinal dataset of 5 years of public activity on scratch social media

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ETR&D-EDUCATIONAL TECHNOLOGY RESEARCH AND DEVELOPMENT 2023年第2期71卷 295-312页

作者： Lian, Erin Lin, Jiaju Zhang, Jiping East China Normal Univ 3663 Zhongshanbei Rd Shanghai 200062 Peoples R China

Scratch is widely used as an introductory educational tool for computer programming. However, little is known about how the action of adding favorite projects on Scratch social media influences programming skill improvement. On Scratch social media, learners select personally intriguing projects to view and learn from. Favorite projects both motivate users to participate on social media and serve as scaffolding material for learners. In this study, we analyzed a dataset of 50,786 users from 5 years of longitudinal activities on Scratch social media using the Zones of Proximal Flow theory. To understand how favorite projects influence learners, we compared the frequency of social media use and programming skill improvement between users who did and did not add favorite projects, and we found a significant difference in programming skill improvement. Among users with favorite projects, there is a proximal difference of two to five Dr. Scratch scores of the favorite project above users' capability level, which maximizes the frequency of social media use and programming skill improvement.

关键词： Educational social media Scratch visual programming language Zones of proximal flow Computational thinking

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Chaldene: Towards visual programming Image Processing in Jupyter Notebooks

Chaldene: Towards Visual Programming Image Processing in Jup...

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2022 IEEE Symposium on visual languages and Human-Centric Computing

作者： Chen, Fei Slusallek, Philipp Mueller, Martin Dahmen, Tim German Res Ctr Artificial Intelligence DFKI Saarbrucken Germany Saarland Univ Saarbrucken Germany

ISBN: (纸本)9781665442152;9781665442145

Jupyter Notebook [1] is an open source, interactive computing platform widely used in the scientific computing and artificial intelligence community [2], [3], [4], [5]. The popularity of the platform is a consequence of the generated single notebook document combining source code, markdown, and visualizations (Fig.1). This makes the platform ideal for tasks such as data analysis and scientific image processing, where repeatability and transparency of analysis tasks are just as important as functionality and performance. However, the obligatory use of code is an obstacle to acceptance of the platform in scientific communities where programming is not generally taught in the curriculum. Consequently, many experimental communities rely on manual image processing using graphical user interfaces [6], [7], [8]. The obvious disadvantages are the lack of repeatability, transparency, and precision in image processing and data analysis tasks. To solve these issues, we propose to extend Jupyter Notebook with visual programming cells. In each visual programming cell, users can create the program by assembling graphical nodes that represent computational instructions, and the textual program is automatically generated and executed by the environment. Cells will support version control aware serialization and deserialization. The core innovation of our proposed work lies in a change of workflow and the adaption of a jupyter-based workflow in experimental communities that have no culture of working with source code. The system can be adapted to multiple applications and domains by integrating new node types. We hereby present an early version of the system and provide one use case from microscopy image processing to demonstrate the integration of existing non-Python software.

关键词： VPL visual programming language graphical programming Jupyter Notebook image processing

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visual Learning Environments for Computer programming

Visual Learning Environments for Computer Programming

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IEEE Electronics, Robotics and Automotive Mechanics Conference (CERMA)

作者： Sandoval-Reyes, Sergio Galicia-Galicia, Pedro Gutierrez-Sanchez, Ivan Natl Polytech Inst Ctr Comp Res Mexico City 07734 DF Mexico

ISBN: (纸本)9780769545639

Almost from the start of computing as an academic discipline, educators have noted that teaching students how to program computers has never been easy. This paper describes four systems Scratch, Alice, Greenfoot and App inventor as tools to teach programming concepts to students of different ages with no previous computing experience, through creating applications that connect with their interests. This approach encourages self learning, experimentation and sharing, circumventing at the same time, the constraints of traditional programming languages.

关键词： visual programming language Scratch Alice Greenfoot App Inventor Android

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An End-User Interface for Behaviour Change Intervention Development 14

An End-User Interface for Behaviour Change Intervention Deve...

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12th International Working Conference on Advanced visual Interfaces (AVI)

作者： Rough, Daniel Quigley, Aaron Univ St Andrews Sch Comp Sci SACHI Res Grp St Andrews KY16 9AJ Fife Scotland

ISBN: (纸本)9781450327756

Traditional behaviour change interventions are typically delivered with a fixed set of components, providing identical content to all participants in a trial. The disregard of personal differences often leads to weak effects and inconclusive results. Tools are required that let researchers identify effective components for specific users and contexts. This paper presents a system design incorporating user models and a visual programming language to allow end-users with varying technical expertise to develop tailored interventions using feedback from a series of visual and non-visual interfaces.

关键词： visual programming language Behaviour Change Health Informatics User Models

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