Research Article
A Natural Language Interface Concordant with a Knowledge Base
Table 7
The effect of the constraints on the number of generated schema subgraphs.
| Constraint | Number of predicates allowed | 1 | 2 | 3 |
| No constraint | 182 | 11,627 | 232,367 | Constraint 1 (inverse relationship) | 151 | 8,288 | 136,443 | Constraint 2 (functional) | 182 | 11,623 | 232,293 | Constraint 3 (inverse functional) | 182 | 11,626 | 232,313 | All constraints applied | 151 | 8,283 | 136,391 |
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