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| Definition | Description 1: generally, the covered materials are asphalt or bitumen. |
| Description 2: a majority of street contains yellow or white center lines |
| Description 3: a road in a city or town that has houses or other buildings on one or both sides (from Merriam-Webster) |
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| Semantics (RDF triples) | Triple 1 from description 1: street covers asphalt |
| Triple 2 from description 1: street covers bitumen |
| Triple 3 from description 2: street contains center_line |
| Triple 4 from description 3: street isA road |
| Triple 5 from description 3: house isOnSidesOf street |
| Triple 6 from description 3: building isOnSidesOf street |
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| Rule set by SWRL | Rule 1 from triple 4: isA(?image_object, ?road) => isA(?image_object, ?street) |
| Rule 2 from triple 1 and 5: isOnSidesOf(?house, ?image_object) ∧ covers(?image_object, ?asphalt) => isA(?image_object, ?street) |
| Rule 3 from triple 1 and 6: isOnSidesOf(?building, ?image_object) ∧ covers(?image_object, ?asphalt) => isA(?image_object, ?street) |
| Rule 4 from triple 2 and 5: isOnSidesOf(?house, ?image_object) ∧ covers(?image_object, ?bitumen) => isA(?image_object, ?street) |
| Rule 5 from triple 1 and 3 and 5: isOnSidesOf(?house, ?image_object) ∧ covers(?image_object, ?asphalt) ∧ contains(?image_object, ?center_line) => isA(?image_object, ?street) |
| … |
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