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| Formal context | Stem base algorithm | Proposed method | |||
|---|---|---|---|---|---|
| No constraint | One constraint | Two constraints | Three constraints | ||
| Living in water | 11 | 11 | 10 | 9 | |
| Small natural number | 8 | 8 | 7 | 6 | 5 |
| Implicit information | 7 | 7 | 6 | 5 | 4 |
| Object shapes | 11 | 11 | 10 | 7 | 3 |
| Failures event | 15 | 15 | 13 | 10 | 7 |
