A Courses Recommendation System based on Graph Clustering and Ant Colony Optimization in MOOC Environment

Shahla Havas, Nafiseh Imanian, P. Moradi
{"title":"A Courses Recommendation System based on Graph Clustering and Ant Colony Optimization in MOOC Environment","authors":"Shahla Havas, Nafiseh Imanian, P. Moradi","doi":"10.1109/ICeLeT55619.2022.9765436","DOIUrl":null,"url":null,"abstract":"Course recommendation is a tricky issue for many students. When they just have a limited information about the courses, they must rely on general course schedule systems for guidance, but the outcome are inadequate. In this research, we propose a course recommender system based on graph clustering and ant colony optimization to solve the problem. Graph representation, graph clustering, user weighting using ant colony optimization, and rating prediction are the four essential steps in the proposed method. The dataset is first represented as a weighted network based on the degree of similarity between each pair of users. The Pearson-r correlation coefficient is used to calculate the similarity between users. Ratings of users who are most similar to the active user are the goal of the clustering phase. As a result, users in the same cluster have a lot of similarities. Through third step, the Ant colony algorithm is used to weight users (students) with the goal of picking a group of highly correlated users associated with their importance values as target user's neighbor users. Finally, unknown ratings are predicted in the fourth phase by combining the rating values of nearby users with their weights of similarity to the target user.","PeriodicalId":138384,"journal":{"name":"2022 9th International and the 15th National Conference on E-Learning and E-Teaching (ICeLeT)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 9th International and the 15th National Conference on E-Learning and E-Teaching (ICeLeT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICeLeT55619.2022.9765436","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1

Abstract

Course recommendation is a tricky issue for many students. When they just have a limited information about the courses, they must rely on general course schedule systems for guidance, but the outcome are inadequate. In this research, we propose a course recommender system based on graph clustering and ant colony optimization to solve the problem. Graph representation, graph clustering, user weighting using ant colony optimization, and rating prediction are the four essential steps in the proposed method. The dataset is first represented as a weighted network based on the degree of similarity between each pair of users. The Pearson-r correlation coefficient is used to calculate the similarity between users. Ratings of users who are most similar to the active user are the goal of the clustering phase. As a result, users in the same cluster have a lot of similarities. Through third step, the Ant colony algorithm is used to weight users (students) with the goal of picking a group of highly correlated users associated with their importance values as target user's neighbor users. Finally, unknown ratings are predicted in the fourth phase by combining the rating values of nearby users with their weights of similarity to the target user.
MOOC环境下基于图聚类和蚁群优化的课程推荐系统
课程推荐对许多学生来说是一个棘手的问题。当他们对课程的了解有限时,他们必须依靠一般的课程排课系统进行指导,但效果并不理想。在本研究中,我们提出了一个基于图聚类和蚁群优化的课程推荐系统来解决这个问题。图表示、图聚类、使用蚁群优化的用户加权和评级预测是该方法的四个基本步骤。数据集首先根据每对用户之间的相似度表示为加权网络。Pearson-r相关系数用于计算用户之间的相似度。对与活跃用户最相似的用户进行评级是聚类阶段的目标。因此,同一集群中的用户有很多相似之处。通过第三步,使用蚁群算法对用户(学生)进行加权,目的是选择一组与其重要性值相关的高度相关的用户作为目标用户的邻居用户。最后,在第四阶段,将附近用户的评分值与其与目标用户的相似度权重相结合,预测未知评分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信