Signal Hill
E287217
Signal Hill is a historic hill and National Historic Site in St. John’s, Newfoundland and Labrador, known for its military fortifications and as the reception point of Guglielmo Marconi’s first transatlantic wireless signal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Signal Hill canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2685771 — 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: Signal Hill Context triple: [St. John’s, hasLandmark, Signal Hill]
-
A.
Signal Hill
Signal Hill is a prominent flat-topped hill in Cape Town known for its panoramic city and ocean views and its historic Noon Gun.
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B.
Signal Hill
Signal Hill is a small, historically oil-rich city in Southern California that is completely surrounded by the city of Long Beach.
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C.
Bay Head
Bay Head is a coastal borough in Ocean County, New Jersey, known for its quiet beaches, historic homes, and role as a seaside residential community at the northern end of the Jersey Shore.
-
D.
Taft Point
Taft Point is a dramatic cliff-edge overlook in Yosemite National Park known for its sheer drop-offs and expansive views of Yosemite Valley and El Capitan.
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E.
Nash Point
Nash Point is a coastal headland in South Wales known for its dramatic cliffs, lighthouse, and views over the Bristol Channel.
- 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: Signal Hill Target entity description: Signal Hill is a historic hill and National Historic Site in St. John’s, Newfoundland and Labrador, known for its military fortifications and as the reception point of Guglielmo Marconi’s first transatlantic wireless signal.
-
A.
Signal Hill
Signal Hill is a prominent flat-topped hill in Cape Town known for its panoramic city and ocean views and its historic Noon Gun.
-
B.
Signal Hill
Signal Hill is a small, historically oil-rich city in Southern California that is completely surrounded by the city of Long Beach.
-
C.
Bay Head
Bay Head is a coastal borough in Ocean County, New Jersey, known for its quiet beaches, historic homes, and role as a seaside residential community at the northern end of the Jersey Shore.
-
D.
Taft Point
Taft Point is a dramatic cliff-edge overlook in Yosemite National Park known for its sheer drop-offs and expansive views of Yosemite Valley and El Capitan.
-
E.
Nash Point
Nash Point is a coastal headland in South Wales known for its dramatic cliffs, lighthouse, and views over the Bristol Channel.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
National Historic Site of Canada
ⓘ
hill ⓘ historic site ⓘ |
| associatedWith | Guglielmo Marconi ⓘ |
| category |
Hills of Newfoundland and Labrador
ⓘ
National Historic Sites in Newfoundland and Labrador ⓘ |
| country | Canada ⓘ |
| event | reception of Marconi’s transatlantic wireless signal in 1901 ⓘ |
| governingBody | Parks Canada ⓘ |
| hasActivity | historical reenactments ⓘ |
| hasStructure |
Cabot Tower
ⓘ
batteries ⓘ fortifications ⓘ signal station ⓘ |
| hasTrail |
Ladies’ Lookout Trail
ⓘ
North Head Trail ⓘ |
| hasView |
Cape Spear (nearby)
ⓘ
surface form:
Cape Spear area
The Narrows ⓘ downtown St. John’s ⓘ |
| heritageDesignation | National Historic Site of Canada ⓘ |
| heritageDesignationDate | 1951 ⓘ |
| historicalPeriod |
18th century
ⓘ
19th century ⓘ early 20th century ⓘ |
| historicalUse |
artillery position
ⓘ
flag signaling for ships ⓘ |
| knownFor |
coastal defense
ⓘ
military fortifications ⓘ reception of the first transatlantic wireless signal ⓘ |
| locatedIn |
Atlantic Canada
ⓘ
island of Newfoundland ⓘ
surface form:
Newfoundland
Newfoundland and Labrador ⓘ St. John’s ⓘ |
| namedAfter | its historical use as a signaling point ⓘ |
| near |
Cape Spear (nearby)
ⓘ
surface form:
Cape Spear
Quidi Vidi Lake NERFINISHED ⓘ |
| overlooks |
Port of St. John’s
ⓘ
surface form:
St. John’s Harbour
Atlantic Ocean ⓘ
surface form:
the Atlantic Ocean
|
| partOf | St. John’s urban area ⓘ |
| province | Newfoundland and Labrador ⓘ |
| touristAttraction | St. John’s ⓘ |
| usedFor |
communications experiments
ⓘ
harbour defense ⓘ hiking ⓘ military signaling ⓘ tourism ⓘ viewpoint ⓘ |
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: Signal Hill Description of subject: Signal Hill is a historic hill and National Historic Site in St. John’s, Newfoundland and Labrador, known for its military fortifications and as the reception point of Guglielmo Marconi’s first transatlantic wireless signal.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern Newfoundland