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Research on the optimisation of music education curriculum content and implementation path based on big data analysis

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Feb 05, 2025

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Figure 1.

Big data processing platform
Big data processing platform

Figure 2.

Data mining model diagram
Data mining model diagram

Figure 3.

HDFS Architecture
HDFS Architecture

Figure 4.

MapReduce calculation process
MapReduce calculation process

Figure 5.

Schematic diagram of random walk strategy
Schematic diagram of random walk strategy

Figure 6.

Student/course relationship
Student/course relationship

Figure 7.

Evaluation of the effectiveness of course content recommendation
Evaluation of the effectiveness of course content recommendation

Figure 8.

Text quantity distribution of individual students
Text quantity distribution of individual students

Figure 9.

Text length distribution of student behavior
Text length distribution of student behavior

Figure 10.

Model performance on data sets with different sparsity
Model performance on data sets with different sparsity

Results of recommended performance indicators for each model

Model Pre@20 Recall@20 NDCG@20 MRR AUC
MF 0.11521 0.10156 0.02516 0.01408 0.50423
HERec 0.14722 0.13489 0.05069 0.03023 0.62355
NGCF 0.18836 0.15266 0.58996 0.04815 0.65882
ACKRec 0.19156 0.16189 0.06251 0.05047 0.67321
MOOCIR 0.19554 0.16205 0.06322 0.06381 0.68011
HFCNqh 0.02131 0.18732 0.07182 0.06852 0.72342
HFCNqk 0.19983 0.17956 0.07134 0.06433 0.69834
HFCNqb 0.02015 0.18090 0.07560 0.06385 0.70705
Node2vec 0.02349 0.19849 0.08686 0.07472 0.75336
Improvement (%) 10.23% 5.96% 14.89% 9.05% 4.14%

Partitioning results based on learner interaction data

Data set Groups Number of users Number of courses Users-courses Density (%)
MOOC music course content recommended data set (0, 5] 25510 596 82694 0.61%
(5, 15] 4583 575 34566 1.55%
(15, 30] 284 432 4315 4.56%
(30, 100] 42 401 1675 11.05%
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