Lake Ontario
E8312
Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Lake Ontario canonical | 374 |
| Lake Ontario shoreline | 2 |
| Lake Ontario (downstream outlet) | 1 |
| Lake Ontario (partial views) | 1 |
| Lake Ontario (via Kingston area) | 1 |
| Lake Ontario area | 1 |
| Lake Ontario at Oswego Harbor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T16865 — 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: Lake Ontario Context triple: [North America, hasMajorLake, Lake Ontario]
-
A.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
-
B.
Lake Huron
Lake Huron is one of North America's five Great Lakes, known for its vast size, clear waters, and extensive shoreline dotted with islands, including Manitoulin Island, the world's largest freshwater island.
-
C.
Lake Superior
Lake Superior is the largest and northernmost of North America's Great Lakes, renowned for its vast size, cold clear waters, and rugged surrounding shoreline.
-
D.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
-
E.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
- 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: Lake Ontario Target entity description: Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
-
A.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
-
B.
Lake Huron
Lake Huron is one of North America's five Great Lakes, known for its vast size, clear waters, and extensive shoreline dotted with islands, including Manitoulin Island, the world's largest freshwater island.
-
C.
Lake Superior
Lake Superior is the largest and northernmost of North America's Great Lakes, renowned for its vast size, cold clear waters, and rugged surrounding shoreline.
-
D.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
-
E.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
- F. None of above. chosen
Statements (48)
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: Lake Ontario Description of subject: Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
Referenced by (381)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Woodlands, Pickering
subject surface form:
Durham Region
subject surface form:
Port Weller
subject surface form:
Port Weller
subject surface form:
Port Weller
this entity surface form:
Lake Ontario (downstream outlet)