Poolbeg Lighthouse
E226679
Poolbeg Lighthouse is a historic red-painted lighthouse marking the entrance to Dublin Bay in Dublin, Ireland.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Poolbeg Lighthouse canonical | 14 |
| Dublin Port leading lights | 1 |
| Poolbeg Lighthouse area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2012913 — 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: Poolbeg Lighthouse Context triple: [Dublin Bay, hasCoastalProtectionStructure, Poolbeg Lighthouse]
-
A.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
B.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
C.
Admiralty Head Lighthouse
Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
-
D.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
E.
Bressay Lighthouse
Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
- 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: Poolbeg Lighthouse Target entity description: Poolbeg Lighthouse is a historic red-painted lighthouse marking the entrance to Dublin Bay in Dublin, Ireland.
-
A.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
B.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
C.
Admiralty Head Lighthouse
Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
-
D.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
E.
Bressay Lighthouse
Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ |
| access | accessible by foot along Great South Wall ⓘ |
| automationDate | 1972 ⓘ |
| category |
Buildings and structures in Dublin
ⓘ
Lighthouses in the Republic of Ireland ⓘ Transport infrastructure in Dublin ⓘ |
| cityServed | Dublin ⓘ |
| color | red ⓘ |
| constructionEnd | 1768 ⓘ |
| constructionMaterial | masonry ⓘ |
| constructionStart | 1767 ⓘ |
| coordinates | 53.335°N 6.131°W ⓘ |
| country | Ireland ⓘ |
| focalHeight | 20 metres ⓘ |
| function | marks entrance to Dublin Bay ⓘ |
| harbourServed | Dublin Port ⓘ |
| hasBalcony | yes ⓘ |
| hasLantern | yes ⓘ |
| height | 20 metres ⓘ |
| heritageDesignation | listed structure (local importance) ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| lightCharacteristic | Fl R 5s ⓘ |
| lightColor | red ⓘ |
| lightRange | 12 nautical miles ⓘ |
| locatedIn |
County Dublin
ⓘ
Dublin ⓘ Dublin Bay ⓘ |
| locatedInMouthOf | River Liffey ⓘ |
| locatedInWaterBody |
Dublin Bay
ⓘ
Irish Sea ⓘ |
| locatedNear |
North Bull Lighthouse
ⓘ
Poolbeg Peninsula ⓘ South Bull Wall ⓘ |
| locatedOn | Great South Wall ⓘ |
| managingOrganization | Dublin Port Company ⓘ |
| marking | red tower with lantern and gallery ⓘ |
| notableFeature |
one of the oldest operational lighthouses in Ireland
ⓘ
painted bright red as a daymark ⓘ |
| originalPowerSource | oil ⓘ |
| owner | Dublin Port Company ⓘ |
| powerSource | electric ⓘ |
| purpose | aid to navigation for ships entering Dublin Port ⓘ |
| status | active ⓘ |
| tourism | popular walking destination in Dublin ⓘ |
| towerShape | cylindrical tower with balcony and lantern ⓘ |
| yearLit | 1768 ⓘ |
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: Poolbeg Lighthouse Description of subject: Poolbeg Lighthouse is a historic red-painted lighthouse marking the entrance to Dublin Bay in Dublin, Ireland.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Poolbeg Lighthouse