Curriculum Content Construction and Updating for Intelligent Educational Systems Using Knowledge Graphs
26 set 2025
INFORMAZIONI SU QUESTO ARTICOLO
Pubblicato online: 26 set 2025
Ricevuto: 21 gen 2025
Accettato: 02 mag 2025
DOI: https://doi.org/10.2478/amns-2025-1075
Parole chiave
© 2025 Lina Fan, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Comparison results
| No. | Number of questions | The number of answers returned | The correct number of answers | Accuracy | Precision |
|---|---|---|---|---|---|
| 1 | 120 | 108 | 95 | 79.2% | 87.96% |
| 2 | 120 | 103 | 89 | 74.2% | 86.41% |
| 3 | 120 | 91 | 84 | 70.0% | 92.31% |
| 4 | 120 | 96 | 85 | 70.8% | 88.54% |
| 5 | 120 | 106 | 91 | 75.8% | 85.85% |
| 6 | 120 | 110 | 97 | 80.8% | 88.18% |
| 7 | 120 | 107 | 96 | 80.0% | 89.72% |
| 8 | 120 | 97 | 90 | 75.0% | 92.78% |
| 9 | 120 | 105 | 98 | 81.7% | 93.33% |
| 10 | 120 | 89 | 82 | 68.3% | 92.13% |
| Average | 120 | 101.2 | 90.7 | 75.6% | 89.62% |
Test results of different models
| Model | Precision (%) | Recall (%) | F1 (%) |
|---|---|---|---|
| CRF | 73.22 | 66.08 | 69.47 |
| Bi_LSTM | 82.28 | 75.23 | 78.60 |
| Bi_LSTM+CRF | 87.35 | 87.63 | 87.49 |
| BERT | 94.69 | 95.33 | 95.01 |
| Ours |
Experimental comparison of various models (%)
| Sorting algorithm | Macro accuracy | Macro recall | Macro F1 |
|---|---|---|---|
| SVM | 87.36 | 85.81 | 86.58 |
| KNN | 86.84 | 89.38 | 88.09 |
| Ours | 91.54 | 92.22 | 91.88 |
Physical identification of experimental parameters
| Experimental parameters | Value |
|---|---|
| train_batch_size | 48 |
| eval_batch_size | 64 |
| max_seq_length | 64 |
| num_train_epochs | 10 |
| drop_out | 0.5 |
| embedding_size | 752 |
| learning_rate | 5.0×10-5 |
| hidden_dropout_prob | 48 |
Classifier experimental effect (%)
| Question type | Precision | Recall | F1 |
|---|---|---|---|
| Factual type | 92.22 | 92.63 | 92.42 |
| Statistical type | 92.63 | 93.48 | 93.05 |
| Whether or not type | 91.82 | 92.54 | 92.18 |
| List type | 91.51 | 91.29 | 91.40 |
| Method type | 89.61 | 90.17 | 89.89 |