Puente de San Martín
E80756
Puente de San Martín is a historic medieval stone bridge spanning the Tagus River in Toledo, Spain, renowned for its impressive arches and fortified towers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Puente de San Martín canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T534450 — 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: Puente de San Martín Context triple: [Toledo, hasLandmark, Puente de San Martín]
-
A.
Maria Pia Bridge
Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
-
B.
Guayaquil–Durán bridge
The Guayaquil–Durán bridge is a major road and rail bridge in Ecuador that links the city of Guayaquil with the neighboring town of Durán, serving as a key transportation artery in the region.
-
C.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
-
D.
25 de Abril Bridge
The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
-
E.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
- 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: Puente de San Martín Target entity description: Puente de San Martín is a historic medieval stone bridge spanning the Tagus River in Toledo, Spain, renowned for its impressive arches and fortified towers.
-
A.
Maria Pia Bridge
Maria Pia Bridge is a historic 19th-century iron railway arch bridge spanning the Douro River in Porto, Portugal, renowned for its pioneering engineering and elegant single-span design.
-
B.
Guayaquil–Durán bridge
The Guayaquil–Durán bridge is a major road and rail bridge in Ecuador that links the city of Guayaquil with the neighboring town of Durán, serving as a key transportation artery in the region.
-
C.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
-
D.
25 de Abril Bridge
The 25 de Abril Bridge is a large suspension bridge in Lisbon, Portugal, often compared to San Francisco’s Golden Gate Bridge for its similar appearance and iconic status.
-
E.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
arch bridge
ⓘ
medieval stone bridge ⓘ road bridge ⓘ |
| constructionEnd | late 14th century ⓘ |
| constructionStart | late 14th century ⓘ |
| country | Spain ⓘ |
| crosses | Tagus River ⓘ |
| crossesAt | western side of the historic center of Toledo ⓘ |
| function | carries road traffic ⓘ |
| hasApproach | cobbled roadway ⓘ |
| hasArchitecturalStyle | medieval architecture ⓘ |
| hasCulturalSignificance | symbol of medieval Toledo ⓘ |
| hasDeck | stone deck ⓘ |
| hasFortificationFeature |
battlements
ⓘ
defensive gate ⓘ |
| hasHeritageValue | medieval engineering monument ⓘ |
| hasMainSpan | about 40 meters ⓘ |
| hasNumberOfArches | 5 ⓘ |
| hasParapet | stone parapets ⓘ |
| hasPiersInWater | true ⓘ |
| hasPreservationStatus | protected historic monument ⓘ |
| hasTotalLength | about 120 meters ⓘ |
| hasTower |
fortified tower on the east side
ⓘ
fortified tower on the west side ⓘ |
| hasTraffic |
local traffic
ⓘ
tourist traffic ⓘ |
| hasUse |
pedestrian crossing
ⓘ
vehicular crossing ⓘ |
| hasViewOf |
Tagus River gorge
ⓘ
Toledo city walls ⓘ |
| heritageDesignation | Bien de Interés Cultural ⓘ |
| isBuiltType | masonry arch bridge ⓘ |
| isNearby | Monastery of San Juan de los Reyes ⓘ |
| isPartOfRoute | historic access routes to Toledo ⓘ |
| isSpanning |
Toledo, Spain
ⓘ
surface form:
Tagus River valley at Toledo
|
| isTouristAttraction | true ⓘ |
| isWellKnownFor |
fortified towers
ⓘ
impressive stone arches ⓘ panoramic views of Toledo ⓘ |
| locatedIn |
Castile-La Mancha
ⓘ
Spain ⓘ Toledo ⓘ |
| locatedOn | western approach to Toledo ⓘ |
| materialUsed | stone ⓘ |
| namedAfter | Saint Martin ⓘ |
| partOf | historic city of Toledo ⓘ |
| replaces | earlier bridge destroyed by flooding ⓘ |
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: Puente de San Martín Description of subject: Puente de San Martín is a historic medieval stone bridge spanning the Tagus River in Toledo, Spain, renowned for its impressive arches and fortified towers.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.