Pozzo di San Patrizio
E728695
Pozzo di San Patrizio is a historic 16th-century well in Orvieto, Italy, renowned for its double-helix staircase designed to allow mules to carry water up and down without crossing paths.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pozzo di San Patrizio canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8347531 — 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: Pozzo di San Patrizio Context triple: [Orvieto, hasLandmark, Pozzo di San Patrizio]
-
A.
The Spire of Dublin
The Spire of Dublin is a tall, stainless-steel needle-like monument on O'Connell Street that serves as a modern architectural symbol of Ireland's capital city.
-
B.
Pairc Ui Chaoimh
Páirc Uí Chaoimh is a major Gaelic Athletic Association stadium in Cork, Ireland, primarily used for hurling and Gaelic football matches and serving as a key venue for Munster championships and other large events.
-
C.
Sarsfield
Sarsfield is an Irish surname most famously associated with Patrick Sarsfield, a Jacobite military leader during the Williamite War in Ireland.
-
D.
Páirc Uí Rinn
Páirc Uí Rinn is a Gaelic Athletic Association stadium in Cork known primarily for hosting Gaelic football and hurling matches.
-
E.
St Colmcille’s Well
St Colmcille’s Well is a historic holy well in Swords, Ireland, traditionally associated with the early Christian saint Colmcille and local religious devotion.
- 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: Pozzo di San Patrizio Target entity description: Pozzo di San Patrizio is a historic 16th-century well in Orvieto, Italy, renowned for its double-helix staircase designed to allow mules to carry water up and down without crossing paths.
-
A.
The Spire of Dublin
The Spire of Dublin is a tall, stainless-steel needle-like monument on O'Connell Street that serves as a modern architectural symbol of Ireland's capital city.
-
B.
Pairc Ui Chaoimh
Páirc Uí Chaoimh is a major Gaelic Athletic Association stadium in Cork, Ireland, primarily used for hurling and Gaelic football matches and serving as a key venue for Munster championships and other large events.
-
C.
Sarsfield
Sarsfield is an Irish surname most famously associated with Patrick Sarsfield, a Jacobite military leader during the Williamite War in Ireland.
-
D.
Páirc Uí Rinn
Páirc Uí Rinn is a Gaelic Athletic Association stadium in Cork known primarily for hosting Gaelic football and hurling matches.
-
E.
St Colmcille’s Well
St Colmcille’s Well is a historic holy well in Swords, Ireland, traditionally associated with the early Christian saint Colmcille and local religious devotion.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
architectural structure
ⓘ
historic well ⓘ tourist attraction ⓘ |
| architect | Antonio da Sangallo the Younger ⓘ |
| architecturalStyle | Renaissance architecture ⓘ |
| commissionedBy | Pope Clement VII ⓘ |
| constructionEnd | 1537 ⓘ |
| constructionStart | 1527 ⓘ |
| country | Italy ⓘ |
| depth | approximately 53 meters ⓘ |
| designedFor |
continuous access to water during sieges
ⓘ
defensive water reserve ⓘ water supply ⓘ |
| diameter | approximately 13 meters ⓘ |
| hasFeature |
central water shaft
ⓘ
double-helix staircase ⓘ two separate helical ramps ⓘ windows for natural light ⓘ |
| hasLighting |
artificial lighting for visitors
ⓘ
natural light from windows ⓘ |
| hasView |
central water surface
ⓘ
interior spiral ramps ⓘ |
| heritageStatus | historic monument ⓘ |
| inception | 16th century ⓘ |
| isPartOf | historic center of Orvieto ⓘ |
| locatedIn |
Italy
ⓘ
Umbria ⓘ |
| location | Orvieto ⓘ |
| materialUsed | tufa rock ⓘ |
| municipality | Orvieto ⓘ |
| namedAfter | Saint Patrick ⓘ |
| nativeLanguage | Italian ⓘ |
| nativeName | Pozzo di San Patrizio ⓘ |
| numberOfStaircases | 2 ⓘ |
| numberOfSteps | 248 ⓘ |
| purpose |
to allow mules to transport water without crossing paths
ⓘ
to ensure water supply for Orvieto ⓘ |
| safetyFeature | parapet walls along staircases ⓘ |
| significance |
engineering feat of the Renaissance
ⓘ
symbol of Orvieto ⓘ |
| staircaseType | double-helix staircase ⓘ |
| touristActivity |
guided visits
ⓘ
staircase descent to water level ⓘ |
| transportMode | mules ⓘ |
| visitorAccess | open to the public ⓘ |
| wellType |
artesian well
ⓘ
draw well ⓘ |
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: Pozzo di San Patrizio Description of subject: Pozzo di San Patrizio is a historic 16th-century well in Orvieto, Italy, renowned for its double-helix staircase designed to allow mules to carry water up and down without crossing paths.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.