Research Article
Integrated Classification Algorithm for Unbalanced Data Streams Based on Joint Nonnegative Matrix Factorization
Table 5
Comparison of the detection time consumption of the two algorithms (unit: h).
| | Test | Text categorization | Disease diagnosis | Network intrusion detection | | Nonnegative matrix factorization | Ordinary decomposition | Nonnegative matrix factorization | Ordinary decomposition | Nonnegative matrix factorization | Ordinary decomposition |
| | Test 1 | 1.50 | 5.3 | 1.84 | 5.6 | 1.32 | 4.84 | | Test 2 | 1.34 | 5.1 | 1.85 | 5.83 | 1.33 | 5.02 | | Test 3 | 1.24 | 5.22 | 1.78 | 5.89 | 1.23 | 4.99 | | Test 4 | 1.54 | 5.63 | 1.58 | 5.84 | 1.07 | 4.85 | | Test 5 | 1.50 | 5.23 | 1.63 | 6.09 | 1.13 | 5.12 |
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