Pyramid of Cestius
E539877
The Pyramid of Cestius is an ancient Roman pyramid-shaped tomb built in the 1st century BC for the magistrate Gaius Cestius, notable for its distinctive Egyptian-inspired form and well-preserved structure in Rome.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pyramid of Cestius canonical | 9 |
| Pyramid of Cestius (area) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5682908 — 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: Pyramid of Cestius Context triple: [Via Ostiense, near, Pyramid of Cestius]
-
A.
Obelisk of Domitian
The Obelisk of Domitian is an ancient Roman obelisk, originally erected by Emperor Domitian and now prominently crowning Bernini’s Fountain of the Four Rivers in Rome’s Piazza Navona.
-
B.
Obelisk of the Quirinal
The Obelisk of the Quirinal is an ancient Roman obelisk now standing prominently in Rome’s Piazza del Quirinale, serving as a notable landmark near the Quirinal Palace.
-
C.
Obelisk of Augustus
The Obelisk of Augustus is an ancient Egyptian granite obelisk brought to Rome by Emperor Augustus and prominently erected as a monumental symbol of imperial power.
-
D.
Mausoleum of Augustus
The Mausoleum of Augustus is a monumental circular tomb in Rome built by the first Roman emperor, Augustus, to serve as his dynastic burial place.
-
E.
Mausoleum of the Julii
The Mausoleum of the Julii is a well-preserved 1st-century BCE Roman funerary monument in southern France, renowned for its elaborate reliefs and distinctive two-story structure.
- 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: Pyramid of Cestius Target entity description: The Pyramid of Cestius is an ancient Roman pyramid-shaped tomb built in the 1st century BC for the magistrate Gaius Cestius, notable for its distinctive Egyptian-inspired form and well-preserved structure in Rome.
-
A.
Obelisk of Domitian
The Obelisk of Domitian is an ancient Roman obelisk, originally erected by Emperor Domitian and now prominently crowning Bernini’s Fountain of the Four Rivers in Rome’s Piazza Navona.
-
B.
Obelisk of the Quirinal
The Obelisk of the Quirinal is an ancient Roman obelisk now standing prominently in Rome’s Piazza del Quirinale, serving as a notable landmark near the Quirinal Palace.
-
C.
Obelisk of Augustus
The Obelisk of Augustus is an ancient Egyptian granite obelisk brought to Rome by Emperor Augustus and prominently erected as a monumental symbol of imperial power.
-
D.
Mausoleum of Augustus
The Mausoleum of Augustus is a monumental circular tomb in Rome built by the first Roman emperor, Augustus, to serve as his dynastic burial place.
-
E.
Mausoleum of the Julii
The Mausoleum of the Julii is a well-preserved 1st-century BCE Roman funerary monument in southern France, renowned for its elaborate reliefs and distinctive two-story structure.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman pyramid
ⓘ
monument in Rome ⓘ tomb ⓘ |
| architecturalStyle | Egyptian-inspired Roman architecture ⓘ |
| baseLength | about 29.6 metres ⓘ |
| builtDuring |
Augustan age
ⓘ
Roman Republic–Empire transition period ⓘ |
| builtFor |
Gaius Cestius
ⓘ
linked to:
Lucius Cestius
|
| category |
Ancient Roman tombs
ⓘ
Buildings and structures in Rome ⓘ Pyramids in Europe ⓘ |
| constructionEnd | 12 BC ⓘ |
| constructionStart | 18 BC ⓘ |
| country | Italy ⓘ |
| date | late 1st century BC ⓘ |
| district | Ostiense ⓘ |
| era |
Ancient Rome
ⓘ
linked to:
Roman Antiquity
|
| function |
funerary monument
ⓘ
tomb for a Roman magistrate ⓘ |
| hasInscription | epigraph naming Gaius Cestius ⓘ |
| hasInterior | burial chamber ⓘ |
| height | about 36.4 metres ⓘ |
| heritageDesignation |
World Heritage Site
ⓘ
linked to:
UNESCO World Heritage Site
|
| inscriptionLanguage | Latin ⓘ |
| inspiredBy |
Egyptian pyramids
ⓘ
linked to:
Giza Pyramids
|
| integratedInto |
Aurelian Walls
ⓘ
linked to:
Aurelian Walls at Porta San Paolo
city fortifications of Rome ⓘ |
| integratedIntoDate | 3rd century AD ⓘ |
| interiorDecoration | frescoes ⓘ |
| locatedIn |
Europe
ⓘ
Italy ⓘ Rome ⓘ |
| materialUsed |
Carrara marble
ⓘ
brick ⓘ concrete ⓘ |
| municipality | Rome ⓘ |
| namedAfter | Gaius Cestius ⓘ |
| near |
Aurelian Walls
ⓘ
linked to:
Aurelian Walls at Porta San Paolo
Porta San Paolo ⓘ Protestant Cemetery in Rome ⓘ
linked to:
Protestant Cemetery, Rome
|
| notableFor |
distinctive Egyptian-inspired form
ⓘ
well-preserved structure ⓘ |
| numberOfFaces | 4 ⓘ |
| occupant | Gaius Cestius ⓘ |
| owner |
City of Rome
ⓘ
linked to:
Rome
|
| partOf |
UNESCO World Heritage Site Historic Centre of Rome
ⓘ
linked to:
Historic Centre of Rome
|
| publicAccess | exterior freely accessible ⓘ |
| restoration |
17th century restoration works
ⓘ
19th century restoration works ⓘ 21st century conservation campaign ⓘ |
| shape | pyramid ⓘ |
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: Pyramid of Cestius Description of subject: The Pyramid of Cestius is an ancient Roman pyramid-shaped tomb built in the 1st century BC for the magistrate Gaius Cestius, notable for its distinctive Egyptian-inspired form and well-preserved structure in Rome.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pyramid of Cestius
Keats’ grave with inscription "Here lies One Whose Name was writ in Water"
→
nearbyLandmark
→
Pyramid of Cestius
ⓘ
subject linked to:
Protestant Cemetery