Smeaton's Tower
E64106
Smeaton's Tower is a historic 18th-century lighthouse, now a prominent monument and visitor attraction overlooking the sea on Plymouth Hoe in Plymouth, England.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Smeaton's Tower canonical | 3 |
| Smeaton’s Tower | 3 |
| Smeaton’s Tower lighthouse | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T513120 — 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: Smeaton's Tower Context triple: [Plymouth, England, hasLandmark, Smeaton's Tower]
-
A.
Tower Bridge
Tower Bridge is an iconic yellow-gold vertical-lift bridge spanning the Sacramento River, connecting West Sacramento to downtown Sacramento in California.
-
B.
Tower Bridge
Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
-
C.
Elizabeth Tower
Elizabeth Tower is the iconic clock tower in London that houses the Great Bell commonly known as Big Ben, forming one of the most recognizable landmarks of the Palace of Westminster.
-
D.
Ayer Mill Clock Tower
The Ayer Mill Clock Tower is a historic mill clock tower in Lawrence, Massachusetts, known for its large clock faces and as a prominent symbol of the city’s industrial past.
-
E.
London Bridge
London Bridge is a historic and frequently rebuilt crossing in central London that spans the River Thames, linking the City of London with Southwark.
- 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: Smeaton's Tower Target entity description: Smeaton's Tower is a historic 18th-century lighthouse, now a prominent monument and visitor attraction overlooking the sea on Plymouth Hoe in Plymouth, England.
-
A.
Tower Bridge
Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
-
B.
Tower Bridge
Tower Bridge is an iconic yellow-gold vertical-lift bridge spanning the Sacramento River, connecting West Sacramento to downtown Sacramento in California.
-
C.
Elizabeth Tower
Elizabeth Tower is the iconic clock tower in London that houses the Great Bell commonly known as Big Ben, forming one of the most recognizable landmarks of the Palace of Westminster.
-
D.
Ayer Mill Clock Tower
The Ayer Mill Clock Tower is a historic mill clock tower in Lawrence, Massachusetts, known for its large clock faces and as a prominent symbol of the city’s industrial past.
-
E.
London Bridge
London Bridge is a historic and frequently rebuilt crossing in central London that spans the River Thames, linking the City of London with Southwark.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
monument ⓘ tourist attraction ⓘ |
| architect | John Smeaton ⓘ |
| architecturalStyle | 18th-century lighthouse design ⓘ |
| category |
Buildings and structures in Plymouth, Devon
ⓘ
Lighthouses in England ⓘ Tourist attractions in Devon ⓘ |
| completionDate | 1759 ⓘ |
| constructionStartDate | 1756 ⓘ |
| country | United Kingdom ⓘ |
| hasPart |
gallery
ⓘ
lantern room ⓘ spiral staircase ⓘ |
| hasViewOf |
Plymouth Hoe
ⓘ
Plymouth Sound ⓘ |
| height |
approximately 22 metres
ⓘ
approximately 72 feet ⓘ |
| heritageDesignation | Grade I listed building ⓘ |
| heritageDesignationAuthority | Historic England ⓘ |
| heritageDesignationCountry | England ⓘ |
| inception | 1759 ⓘ |
| locatedIn |
Devon
ⓘ
England ⓘ Plymouth ⓘ Plymouth Hoe ⓘ United Kingdom ⓘ |
| material |
granite
ⓘ
stone ⓘ |
| namedAfter | John Smeaton ⓘ |
| openedToPublicAsMonument | 1884 ⓘ |
| operator | Plymouth City Council ⓘ |
| originalFunction | offshore lighthouse ⓘ |
| originalLocation | Eddystone Rocks ⓘ |
| overlooks |
Plymouth Sound
ⓘ
sea ⓘ |
| relocatedTo | Plymouth Hoe ⓘ |
| relocationEndDate | 1882 ⓘ |
| relocationStartDate | 1877 ⓘ |
| significantEvent |
dismantled from Eddystone Rocks in the 1870s
ⓘ
re-erected on Plymouth Hoe in the late 19th century ⓘ |
| status |
active as monument
ⓘ
disused as lighthouse ⓘ |
| touristType | visitor attraction ⓘ |
| usedFor |
navigation aid
ⓘ
public visits ⓘ tourism ⓘ |
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: Smeaton's Tower Description of subject: Smeaton's Tower is a historic 18th-century lighthouse, now a prominent monument and visitor attraction overlooking the sea on Plymouth Hoe in Plymouth, England.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Smeaton's Tower
linked to: Smeaton's Tower
linked to: Smeaton's Tower