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Paper Abstract and Keywords
Presentation 2020-09-10 11:30
A Study of Grammar-Concept Understanding Problem for Java Programming Learning Assistant System
Soe Thandar Aung, Nobuo Funabiki, Yan Watequlis Syaifudin, Minoru Kuribayashi (Okayama Univ) ET2020-15
Abstract (in Japanese) (See Japanese page) 
(in English) Nowadays, Java has been broadly used in societies as a reliable and portable object-oriented programming language. To assist Java programming studies, we have developed a Web-based Java Programming Learning Assistant System (JPLAS). JPLAS provides several types of exercise problems to cover different study levels for students. However, none questions grammar concepts of a source code directly. In this paper, we propose a Grammar-Concept Understanding Problem (GUP) as a new type in JPLAS. A GUP instance gives questions about grammar concepts or behaviors of a code using simple natural language. Each answer can be a number, a word, or a short sentence, whose correctness is marked through string matching with the correct answer. Besides this, we present the algorithm to automatically generate a GUP instance from a given source code by: 1) extracting the registered keywords in the code, 2) selecting the registered question corresponding to each keyword, and 3) finding the data required in the correct answer from the code. For evaluation, we generate 20 GUP instances with a total of 99 questions from simple codes on fundamental Java grammar, and assign them to 100 undergraduate students in a university in Indonesia. The results show that the proposal is effective in finding 13 students among them who do not understand Java programming well and need the care of the teacher.
Keyword (in Japanese) (See Japanese page) 
(in English) Java / JPLAS / code understanding problem / automatic generation / evaluation / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 167, ET2020-15, pp. 29-34, Sept. 2020.
Paper # ET2020-15 
Date of Issue 2020-09-03 (ET) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ET2020-15

Conference Information
Committee ET  
Conference Date 2020-09-10 - 2020-09-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Japan Advanced Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Learning Platform, etc. 
Paper Information
Registration To ET 
Conference Code 2020-09-ET 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Grammar-Concept Understanding Problem for Java Programming Learning Assistant System 
Sub Title (in English)  
Keyword(1) Java  
Keyword(2) JPLAS  
Keyword(3) code understanding problem  
Keyword(4) automatic generation  
Keyword(5) evaluation  
1st Author's Name Soe Thandar Aung  
1st Author's Affiliation Okayama University (Okayama Univ)
2nd Author's Name Nobuo Funabiki  
2nd Author's Affiliation Okayama University (Okayama Univ)
3rd Author's Name Yan Watequlis Syaifudin  
3rd Author's Affiliation Okayama University (Okayama Univ)
4th Author's Name Minoru Kuribayashi  
4th Author's Affiliation Okayama University (Okayama Univ)
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Date Time 2020-09-10 11:30:00 
Presentation Time 20 
Registration for ET 
Paper # IEICE-ET2020-15 
Volume (vol) IEICE-120 
Number (no) no.167 
Page pp.29-34 
#Pages IEICE-6 
Date of Issue IEICE-ET-2020-09-03 

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