Boldt Castle (across river in New York, USA)
E566690
Boldt Castle is a grand, historic mansion and popular tourist attraction located on Heart Island in the St. Lawrence River in New York, near the Canadian border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boldt Castle (across river in New York, USA) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6083096 — 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: Boldt Castle (across river in New York, USA) Context triple: [Gananoque, Ontario, hasNearbyAttraction, Boldt Castle (across river in New York, USA)]
-
A.
Bannerman Castle (on Pollepel Island in Hudson River)
Bannerman Castle is a ruined early-20th-century military surplus warehouse styled as a Scottish castle, located on Pollepel Island in the Hudson River and now a notable historic and scenic landmark.
-
B.
Katz Castle
Katz Castle is a medieval hilltop fortress overlooking the Rhine River in Germany, renowned for its picturesque setting within the Upper Middle Rhine Valley UNESCO World Heritage landscape.
-
C.
Betzdorf Castle
Betzdorf Castle is a historic Luxembourgish castle notable as the birthplace of Henri, Grand Duke of Luxembourg.
-
D.
The Castle (Budawangs)
The Castle (Budawangs) is a prominent sandstone plateau and popular bushwalking destination in New South Wales, Australia, known for its dramatic cliffs and panoramic views over the Budawang Range.
-
E.
Bouillon Castle
Bouillon Castle is a medieval fortress in Bouillon, Belgium, best known as the stronghold of the First Crusade leader Godfrey of Bouillon and a prominent example of feudal military architecture.
- 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: Boldt Castle (across river in New York, USA) Target entity description: Boldt Castle is a grand, historic mansion and popular tourist attraction located on Heart Island in the St. Lawrence River in New York, near the Canadian border.
-
A.
Bannerman Castle (on Pollepel Island in Hudson River)
Bannerman Castle is a ruined early-20th-century military surplus warehouse styled as a Scottish castle, located on Pollepel Island in the Hudson River and now a notable historic and scenic landmark.
-
B.
Katz Castle
Katz Castle is a medieval hilltop fortress overlooking the Rhine River in Germany, renowned for its picturesque setting within the Upper Middle Rhine Valley UNESCO World Heritage landscape.
-
C.
Betzdorf Castle
Betzdorf Castle is a historic Luxembourgish castle notable as the birthplace of Henri, Grand Duke of Luxembourg.
-
D.
The Castle (Budawangs)
The Castle (Budawangs) is a prominent sandstone plateau and popular bushwalking destination in New South Wales, Australia, known for its dramatic cliffs and panoramic views over the Budawang Range.
-
E.
Bouillon Castle
Bouillon Castle is a medieval fortress in Bouillon, Belgium, best known as the stronghold of the First Crusade leader Godfrey of Bouillon and a prominent example of feudal military architecture.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
tourist attraction ⓘ |
| accessibleBy | boat ⓘ |
| architecturalStyle | Rhenish Revival NERFINISHED ⓘ |
| builtFor | Louise Boldt NERFINISHED ⓘ |
| constructionHalted | 1904 ⓘ |
| constructionStarted | 1900 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| governingBody | Thousand Islands Bridge Authority NERFINISHED ⓘ |
| hasBasement | yes ⓘ |
| hasDocks | yes ⓘ |
| hasFeature |
Italian gardens
ⓘ
yacht house (on nearby Wellesley Island) ⓘ |
| hasMaterial |
brick
ⓘ
stone ⓘ |
| hasStructure |
Alster Tower
NERFINISHED
ⓘ
Arch ⓘ Children’s playhouse ⓘ Hennery ⓘ Power House NERFINISHED ⓘ |
| hasTours |
guided tours
ⓘ
self-guided tours ⓘ |
| hasView | St. Lawrence River shipping channel NERFINISHED ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| locatedIn |
Heart Island
NERFINISHED
ⓘ
New York NERFINISHED ⓘ St. Lawrence River NERFINISHED ⓘ Thousand Islands region NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | Canadian border ⓘ |
| namedAfter | George C. Boldt NERFINISHED ⓘ |
| nearbyCountry | Canada NERFINISHED ⓘ |
| nearestTown | Alexandria Bay, New York NERFINISHED ⓘ |
| NRHPListingYear | 1977 ⓘ |
| NRHPType | historic district ⓘ |
| numberOfFloors | 6 ⓘ |
| openToPublic | yes ⓘ |
| originalPurpose |
private residence
ⓘ
summer home ⓘ |
| owner | Thousand Islands Bridge Authority NERFINISHED ⓘ |
| region | Jefferson County, New York NERFINISHED ⓘ |
| regionTourism | Thousand Islands tourist destination ⓘ |
| river | St. Lawrence River NERFINISHED ⓘ |
| seasonalOperation | open in warmer months ⓘ |
| state | New York ⓘ |
| tourismType |
architectural tourism
ⓘ
heritage tourism ⓘ |
| usedFor |
special events
ⓘ
weddings ⓘ |
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: Boldt Castle (across river in New York, USA) Description of subject: Boldt Castle is a grand, historic mansion and popular tourist attraction located on Heart Island in the St. Lawrence River in New York, near the Canadian border.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.