St. Mary River
E1040072
St. Mary River is a river in the Canadian Rockies and northern Montana that flows through both the United States and Canada before joining the Oldman River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| St. Mary River canonical | 8 |
| Saint Mary River | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151150 — 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: St. Mary River Context triple: [Oldman River, hasTributary, St. Mary River]
-
A.
St. Mary River
St. Mary River is a Canadian river in southeastern British Columbia that flows through the Rocky Mountain region before joining the Kootenay River.
-
B.
Ncome River
The Ncome River is a river in KwaZulu-Natal, South Africa, historically renowned as the site of the 1838 Battle of Blood River between Voortrekker and Zulu forces.
-
C.
Blanche River
Blanche River is a waterway in northeastern Ontario, Canada, that flows through the Timiskaming District and ultimately drains toward the Ottawa River system.
-
D.
Sturgeon River
The Sturgeon River is a waterway in Ontario, Canada, known for flowing through forested and rural landscapes and supporting local recreation, wildlife habitat, and regional drainage.
-
E.
St. Mary's River
St. Mary's River is a tidal river in southern Maryland that flows through St. Mary's County into the Potomac River and Chesapeake Bay, supporting local ecosystems and recreation.
- 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: St. Mary River Target entity description: St. Mary River is a river in the Canadian Rockies and northern Montana that flows through both the United States and Canada before joining the Oldman River.
-
A.
St. Mary River
St. Mary River is a Canadian river in southeastern British Columbia that flows through the Rocky Mountain region before joining the Kootenay River.
-
B.
Ncome River
The Ncome River is a river in KwaZulu-Natal, South Africa, historically renowned as the site of the 1838 Battle of Blood River between Voortrekker and Zulu forces.
-
C.
Blanche River
Blanche River is a waterway in northeastern Ontario, Canada, that flows through the Timiskaming District and ultimately drains toward the Ottawa River system.
-
D.
Sturgeon River
The Sturgeon River is a waterway in Ontario, Canada, known for flowing through forested and rural landscapes and supporting local recreation, wildlife habitat, and regional drainage.
-
E.
St. Mary's River
St. Mary's River is a tidal river in southern Maryland that flows through St. Mary's County into the Potomac River and Chesapeake Bay, supporting local ecosystems and recreation.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
Canada
ⓘ
United States of America ⓘ |
| country |
Canada
ⓘ
United States of America ⓘ |
| crossesBorder | Canada–United States border ⓘ |
| flowsThrough |
Alberta
ⓘ
Canada ⓘ Montana ⓘ United States of America ⓘ |
| hasDam | St. Mary Dam ⓘ |
| hasTributary |
Belly River
ⓘ
Lee Creek NERFINISHED ⓘ Swiftcurrent Creek NERFINISHED ⓘ |
| locatedIn |
Alberta
ⓘ
Canadian Rockies ⓘ
linked to:
Rocky Mountains
Montana ⓘ |
| locatedInProtectedArea |
Glacier National Park (Montana)
ⓘ
linked to:
Glacier National Park
|
| locatedNear |
Lethbridge, Alberta
ⓘ
linked to:
Lethbridge
St. Mary, Montana ⓘ |
| mouth | Oldman River NERFINISHED ⓘ |
| mouthLocation | near Lethbridge, Alberta ⓘ |
| partOf |
Saskatchewan River basin
ⓘ
linked to:
Saskatchewan–Nelson River system
|
| sourceLocation |
Glacier National Park (Montana)
ⓘ
linked to:
Glacier National Park
Rocky Mountains ⓘ |
| tributaryOf | Oldman River NERFINISHED ⓘ |
| usedFor |
hydroelectric power
ⓘ
irrigation ⓘ recreation ⓘ |
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: St. Mary River Description of subject: St. Mary River is a river in the Canadian Rockies and northern Montana that flows through both the United States and Canada before joining the Oldman River.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: St. Mary River
linked to: St. Mary River