Signal Hill National Historic Site
E512020
Signal Hill National Historic Site is a historic fortification in St. John’s, Newfoundland and Labrador, known for its military significance and as the site of Guglielmo Marconi’s first transatlantic wireless signal reception.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Signal Hill National Historic Site canonical | 3 |
| Signal Hill National Historic Site (regionally nearby) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5322766 — 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 National Historic Site Context triple: [Parks Canada, responsibleFor, Signal Hill National Historic Site]
-
A.
Point Sur State Historic Park
Point Sur State Historic Park is a coastal California state park centered around a prominent volcanic rock and historic lighthouse overlooking the Pacific Ocean in the Big Sur region.
-
B.
Old Town State Historic Park
Old Town State Historic Park is a California state park in San Diego that preserves and interprets the historic heart of the city, showcasing 19th-century buildings, museums, and cultural heritage.
-
C.
Ebey's Landing National Historical Reserve
Ebey's Landing National Historical Reserve is a protected cultural landscape on Whidbey Island in Washington that preserves historic farms, prairies, and coastal scenery reflecting early Pacific Northwest settlement.
-
D.
Heritage Hill State Historical Park
Heritage Hill State Historical Park is an open-air museum in Green Bay, Wisconsin, featuring preserved and reconstructed historic buildings that interpret the region’s cultural and historical heritage.
-
E.
Ross Island National Memorial
Ross Island National Memorial is a historic site in the Andaman Islands that preserves the ruins and heritage of the former British administrative headquarters in the archipelago.
- 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 National Historic Site Target entity description: Signal Hill National Historic Site is a historic fortification in St. John’s, Newfoundland and Labrador, known for its military significance and as the site of Guglielmo Marconi’s first transatlantic wireless signal reception.
-
A.
Point Sur State Historic Park
Point Sur State Historic Park is a coastal California state park centered around a prominent volcanic rock and historic lighthouse overlooking the Pacific Ocean in the Big Sur region.
-
B.
Old Town State Historic Park
Old Town State Historic Park is a California state park in San Diego that preserves and interprets the historic heart of the city, showcasing 19th-century buildings, museums, and cultural heritage.
-
C.
Ebey's Landing National Historical Reserve
Ebey's Landing National Historical Reserve is a protected cultural landscape on Whidbey Island in Washington that preserves historic farms, prairies, and coastal scenery reflecting early Pacific Northwest settlement.
-
D.
Heritage Hill State Historical Park
Heritage Hill State Historical Park is an open-air museum in Green Bay, Wisconsin, featuring preserved and reconstructed historic buildings that interpret the region’s cultural and historical heritage.
-
E.
Ross Island National Memorial
Ross Island National Memorial is a historic site in the Andaman Islands that preserves the ruins and heritage of the former British administrative headquarters in the archipelago.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic fortification
ⓘ
national historic site ⓘ |
| country | Canada ⓘ |
| elevation | approximately 167 metres above sea level ⓘ |
| event | reception of first transatlantic wireless signal ⓘ |
| eventDate | 1901 ⓘ |
| eventParticipant | Guglielmo Marconi ⓘ |
| governingBody | Parks Canada ⓘ |
| hasCommemoration |
memorials to military history
ⓘ
monuments and plaques to Marconi’s wireless experiments ⓘ |
| hasHeritageDesignation | National Historic Site of Canada ⓘ |
| hasPart |
Cabot Tower
ⓘ
Queen’s Battery ⓘ barracks ruins ⓘ visitor centre ⓘ walking trails ⓘ |
| hasStructureStyle | 19th-century defensive architecture ⓘ |
| hasView |
Cape Spear area
ⓘ
linked to:
Cape Spear (nearby)
The Narrows ⓘ city of St. John’s ⓘ
linked to:
St. John’s
|
| heritageDesignationBy |
Government of Canada
ⓘ
linked to:
Canadian federal government (Ottawa)
|
| knownFor |
military significance
ⓘ
panoramic views of St. John’s and the Atlantic Ocean ⓘ role in early wireless communication ⓘ site of first transatlantic wireless signal reception ⓘ |
| locatedIn |
Atlantic Canada
ⓘ
Newfoundland and Labrador ⓘ St. John’s ⓘ |
| locatedOn | Avalon Peninsula ⓘ |
| managedBy | Parks Canada ⓘ |
| near | downtown St. John’s ⓘ |
| offersActivity |
guided tours
ⓘ
hiking ⓘ historical interpretation programs ⓘ military reenactments ⓘ |
| overlooks |
Atlantic Ocean
ⓘ
St. John’s Harbour ⓘ
linked to:
Port of St. John’s
|
| touristSeason | primarily summer ⓘ |
| usedDuring |
American Revolutionary War
ⓘ
Second World War ⓘ
linked to:
World War II
Seven Years’ War ⓘ
linked to:
Seven Years' War
War of 1812 ⓘ |
| usedFor |
coastal defence
ⓘ
harbour defence ⓘ military signalling ⓘ wireless communication experiments ⓘ |
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 National Historic Site Description of subject: Signal Hill National Historic Site is a historic fortification in St. John’s, Newfoundland and Labrador, known for its military significance and as the site of Guglielmo Marconi’s first transatlantic wireless signal reception.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.