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DOI: 10.14569/IJACSA.2020.0110701
PDF

Dependency Evaluation and Visualization Tool for Systems Represented by a Directed Acyclic Graph

Author 1: Sobitha Samaranayake
Author 2: Athula Gunawardena

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 11 Issue 7, 2020.

  • Abstract and Keywords
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Abstract: There is a dearth of data visualization tools for displaying college degree-planning information, especially course prerequisite and complex academic requirement information. The existing methods for exploring degree plans involve a painstaking what-if analysis of static data presented in a convoluted format. In this paper, we present a data visualization tool, named as Dependency Evaluation and Visualization (DEV) chart, to visualize course prerequisite structure and a dynamic flowchart to guide students and advisors through all possible degree requirement completions. DEV chart uses an adjacency matrix of a directed acyclic graph to store a course structure for a degree into a database. Since DEV chart is created dynamically by updating data associated with each node of the directed graph, it provides a mechanism for adding an alert system when prerequisite conditions are not met, and hence the user can visualize the available courses at each step. Similarly, DEV chart can be used with project planning where nodes represent tasks and edges represent their dependencies.

Keywords: Data visualization; degree planning; dynamic flowchart; prerequisite structure; adjacency matrix

Sobitha Samaranayake and Athula Gunawardena, “Dependency Evaluation and Visualization Tool for Systems Represented by a Directed Acyclic Graph” International Journal of Advanced Computer Science and Applications(IJACSA), 11(7), 2020. http://dx.doi.org/10.14569/IJACSA.2020.0110701

@article{Samaranayake2020,
title = {Dependency Evaluation and Visualization Tool for Systems Represented by a Directed Acyclic Graph},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2020.0110701},
url = {http://dx.doi.org/10.14569/IJACSA.2020.0110701},
year = {2020},
publisher = {The Science and Information Organization},
volume = {11},
number = {7},
author = {Sobitha Samaranayake and Athula Gunawardena}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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