Bridge of Hadrian
E318512
The Bridge of Hadrian is an ancient Roman bridge in Rome, Italy, built by Emperor Hadrian to connect the city center to his mausoleum, now known as Castel Sant'Angelo.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bridge of Hadrian canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3004804 — 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: Bridge of Hadrian Context triple: [Ponte Sant'Angelo, hasAlternativeName, Bridge of Hadrian]
-
A.
Tiberius Bridge
Tiberius Bridge is an ancient Roman stone bridge in Rimini, Italy, renowned for its well-preserved arches and historical significance as part of the Via Aemilia.
-
B.
Tacitus Bridge
Tacitus Bridge is a major cable-stayed road bridge spanning the River Waal in the Netherlands, known for its distinctive twin pylons and role in regional traffic.
-
C.
Danube Bridge of Trajan
The Danube Bridge of Trajan was an enormous early 2nd-century Roman engineering marvel that spanned the Danube River to support Emperor Trajan’s campaigns in Dacia.
-
D.
Hadrian's Gate
Hadrian's Gate is a well-preserved Roman triumphal arch in Antalya, Turkey, built in honor of Emperor Hadrian and serving as a historic entrance to the ancient city.
-
E.
Echo Bridge aqueduct
Echo Bridge aqueduct is a historic 19th-century masonry bridge and former water-carrying structure in Massachusetts, notable for its impressive stone arches and scenic views over the Charles River.
- 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: Bridge of Hadrian Target entity description: The Bridge of Hadrian is an ancient Roman bridge in Rome, Italy, built by Emperor Hadrian to connect the city center to his mausoleum, now known as Castel Sant'Angelo.
-
A.
Tiberius Bridge
Tiberius Bridge is an ancient Roman stone bridge in Rimini, Italy, renowned for its well-preserved arches and historical significance as part of the Via Aemilia.
-
B.
Tacitus Bridge
Tacitus Bridge is a major cable-stayed road bridge spanning the River Waal in the Netherlands, known for its distinctive twin pylons and role in regional traffic.
-
C.
Danube Bridge of Trajan
The Danube Bridge of Trajan was an enormous early 2nd-century Roman engineering marvel that spanned the Danube River to support Emperor Trajan’s campaigns in Dacia.
-
D.
Hadrian's Gate
Hadrian's Gate is a well-preserved Roman triumphal arch in Antalya, Turkey, built in honor of Emperor Hadrian and serving as a historic entrance to the ancient city.
-
E.
Echo Bridge aqueduct
Echo Bridge aqueduct is a historic 19th-century masonry bridge and former water-carrying structure in Massachusetts, notable for its impressive stone arches and scenic views over the Charles River.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Roman bridge
ⓘ
arch bridge ⓘ pedestrian bridge ⓘ stone bridge ⓘ |
| architecturalStyle | ancient Roman architecture ⓘ |
| associatedWith |
Castel Sant'Angelo
ⓘ
Hadrian's Mausoleum ⓘ |
| commissionedBy | Hadrian ⓘ |
| connectsTo |
Castel Sant'Angelo
ⓘ
city center of Rome ⓘ |
| constructionEnd | 139 AD ⓘ |
| constructionStart | 134 AD ⓘ |
| country | Italy ⓘ |
| crosses |
Tiber
ⓘ
surface form:
Tiber River
|
| currentFunction | pedestrian use ⓘ |
| dedicatedTo |
Hadrian
ⓘ
surface form:
Emperor Hadrian
|
| hasAlternativeName |
Pons Aelius
ⓘ
Ponte Sant'Angelo ⓘ |
| hasCulturalSignificance | symbolic link between Rome and the Vatican area ⓘ |
| hasFeature |
statues of angels
ⓘ
stone arches ⓘ |
| hasLatinName | Pons Aelius ⓘ |
| hasModification | baroque statues added in the 17th century ⓘ |
| hasNumberOfArches | 3 ⓘ |
| hasProtectionStatus | protected historic monument in Italy ⓘ |
| hasTouristAttractionStatus | major tourist attraction in Rome ⓘ |
| heritageDesignation | part of the historic centre of Rome ⓘ |
| heritageStatus | UNESCO World Heritage Site component ⓘ |
| isPartOfRoute | pilgrimage route to St. Peter's Basilica ⓘ |
| locatedIn |
Lazio
ⓘ
Rome ⓘ |
| locatedNear | Vatican City ⓘ |
| locatedOn |
Tiber
ⓘ
surface form:
Tiber River
|
| materialUsed |
travertine
ⓘ
tuff ⓘ |
| namedAfter | Hadrian ⓘ |
| originalFunction | access to Hadrian's mausoleum ⓘ |
| partOf | historic centre of Rome ⓘ |
| restoredIn |
Baroque
ⓘ
surface form:
Baroque period
Renaissance period ⓘ |
| usedFor | crossing the Tiber River ⓘ |
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: Bridge of Hadrian Description of subject: The Bridge of Hadrian is an ancient Roman bridge in Rome, Italy, built by Emperor Hadrian to connect the city center to his mausoleum, now known as Castel Sant'Angelo.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.