Roman bridge over the Guadiana
E782199
The Roman bridge over the Guadiana is an ancient, remarkably long stone bridge in Mérida, Spain, built in the Roman era to carry the Via de la Plata across the Guadiana River and now a key monument within the city’s archaeological heritage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roman bridge over the Guadiana canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9178798 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Roman bridge over the Guadiana Context triple: [Archaeological Ensemble of Mérida, hasPart, Roman bridge over the Guadiana]
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A.
Roman Bridge of Silves
The Roman Bridge of Silves is a historic multi-arched stone bridge spanning the Arade River in Silves, Portugal, traditionally attributed to the Roman period and serving as one of the town’s most recognizable landmarks.
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B.
Roman bridge of Tavira
The Roman bridge of Tavira is a historic multi-arched stone bridge spanning the Gilão River in Tavira, Portugal, and serving as one of the town’s most iconic architectural landmarks.
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C.
Puente de Alcántara
Puente de Alcántara is a historic Roman stone arch bridge spanning the Tagus River at Toledo, Spain, renowned for its medieval towers and role as a key entrance to the old city.
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D.
Roman Bridge of Córdoba
The Roman Bridge of Córdoba is an ancient stone bridge spanning the Guadalquivir River in Córdoba, Spain, renowned for its Roman origins and iconic role in the city's historic skyline.
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E.
Granada Bridge
Granada Bridge is a vehicular bridge in Ormond Beach, Florida, that spans the Halifax River as part of State Road 40.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Roman bridge over the Guadiana Target entity description: The Roman bridge over the Guadiana is an ancient, remarkably long stone bridge in Mérida, Spain, built in the Roman era to carry the Via de la Plata across the Guadiana River and now a key monument within the city’s archaeological heritage.
-
A.
Roman Bridge of Silves
The Roman Bridge of Silves is a historic multi-arched stone bridge spanning the Arade River in Silves, Portugal, traditionally attributed to the Roman period and serving as one of the town’s most recognizable landmarks.
-
B.
Roman bridge of Tavira
The Roman bridge of Tavira is a historic multi-arched stone bridge spanning the Gilão River in Tavira, Portugal, and serving as one of the town’s most iconic architectural landmarks.
-
C.
Puente de Alcántara
Puente de Alcántara is a historic Roman stone arch bridge spanning the Tagus River at Toledo, Spain, renowned for its medieval towers and role as a key entrance to the old city.
-
D.
Roman Bridge of Córdoba
The Roman Bridge of Córdoba is an ancient stone bridge spanning the Guadalquivir River in Córdoba, Spain, renowned for its Roman origins and iconic role in the city's historic skyline.
-
E.
Granada Bridge
Granada Bridge is a vehicular bridge in Ormond Beach, Florida, that spans the Halifax River as part of State Road 40.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Roman bridge
ⓘ
archaeological monument ⓘ stone arch bridge ⓘ |
| architecturalStyle | Roman engineering ⓘ |
| carries | Via de la Plata NERFINISHED ⓘ |
| connects | banks of the Guadiana at Mérida ⓘ |
| country | Spain ⓘ |
| crosses | Guadiana River NERFINISHED ⓘ |
| hasConservationStatus | well preserved ⓘ |
| hasConstructionType | masonry arch bridge ⓘ |
| hasCulturalSignificance | symbol of Mérida’s Roman past ⓘ |
| hasCurrentUse | pedestrian bridge ⓘ |
| hasFunction | river crossing ⓘ |
| hasHeritageStatus | protected monument ⓘ |
| hasHistoricalRole | facilitating north–south communication in western Iberia ⓘ |
| hasHistoricUse | vehicular bridge ⓘ |
| hasNearbySite |
Alcazaba of Mérida
NERFINISHED
ⓘ
Roman Amphitheatre of Mérida NERFINISHED ⓘ Roman Theatre of Mérida NERFINISHED ⓘ |
| hasPart |
cut-stone piers
ⓘ
multiple stone arches ⓘ roadway deck ⓘ |
| hasTourismType | cultural tourism site ⓘ |
| heritageDesignation |
UNESCO World Heritage Site component
NERFINISHED
ⓘ
part of the Archaeological Ensemble of Mérida ⓘ |
| inception | Roman Imperial period ⓘ |
| isInFrontOf | Mérida’s historic core ⓘ |
| isOn | route of the ancient Via de la Plata NERFINISHED ⓘ |
| isPartOf | Roman infrastructure in Hispania ⓘ |
| locatedIn |
Extremadura
NERFINISHED
ⓘ
Mérida NERFINISHED ⓘ Spain ⓘ province of Badajoz NERFINISHED ⓘ western Spain ⓘ |
| materialUsed | stone ⓘ |
| namedAfter | Guadiana River NERFINISHED ⓘ |
| notableFor |
remarkable length
ⓘ
state of preservation ⓘ |
| partOf |
Archaeological Ensemble of Mérida
NERFINISHED
ⓘ
historic Via de la Plata route ⓘ urban landscape of Mérida ⓘ |
| region | Extremadura, Spain NERFINISHED ⓘ |
| riverCrossed | Guadiana NERFINISHED ⓘ |
| significantFor | Roman civil engineering history ⓘ |
| significantPeriod | Roman era ⓘ |
| touristAttraction | yes ⓘ |
| usedFor |
pedestrian traffic
ⓘ
road traffic (historically) ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Roman bridge over the Guadiana Description of subject: The Roman bridge over the Guadiana is an ancient, remarkably long stone bridge in Mérida, Spain, built in the Roman era to carry the Via de la Plata across the Guadiana River and now a key monument within the city’s archaeological heritage.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.