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Paper Abstract and Keywords
Presentation 2016-06-11 15:20
Extensions of Blank Element Selection Algorithm for Java Programming Learning Assistant System
Khin Khin Zaw, Nobuo Funabiki, Minoru Kuribayashi (Okayama Univ.) ET2016-17
Abstract (in Japanese) (See Japanese page) 
(in English) To assist Java programming educations, we have developed a Web-based Java Programming Learning Assistant System (JPLAS). JPLAS provides fill-in-blank problems to let students study Java grammar and basic programming skills by flling the blanked elements in a given Java code. To generate the feasible problems, we have proposed a blank element selection algorithm using the constraint graph to select as many blanks as possible such that they are grammatically correct and unique answers. In this paper, we extend this algorithm by 1) adding operators in conditional expressions for blank candidates, 2) improving the edge generation method in the constraint graph to increase the number of blanks, and 3) introducing the two parameters to change the frequency of selecting blanks. To verify the effectiveness, we apply our extended algorithm to 55 Java codes for fundamental data structure or algorithms, and confirm that our extensions can increase the number of blanks and control the problem difficulty.
Keyword (in Japanese) (See Japanese page) 
(in English) Java programming / JPLAS / fill-in-blank problem / blank element selection / graph / clique / algorithm /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 85, ET2016-17, pp. 53-58, June 2016.
Paper # ET2016-17 
Date of Issue 2016-06-04 (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 ET2016-17

Conference Information
Committee ET  
Conference Date 2016-06-11 - 2016-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Programming Education, etc. 
Paper Information
Registration To ET 
Conference Code 2016-06-ET 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extensions of Blank Element Selection Algorithm for Java Programming Learning Assistant System 
Sub Title (in English)  
Keyword(1) Java programming  
Keyword(2) JPLAS  
Keyword(3) fill-in-blank problem  
Keyword(4) blank element selection  
Keyword(5) graph  
Keyword(6) clique  
Keyword(7) algorithm  
1st Author's Name Khin Khin Zaw  
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 Minoru Kuribayashi  
3rd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2016-06-11 15:20:00 
Presentation Time 25 minutes 
Registration for ET 
Paper # ET2016-17 
Volume (vol) vol.116 
Number (no) no.85 
Page pp.53-58 
Date of Issue 2016-06-04 (ET) 

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