Portage Lake
E1034112
Portage Lake is a body of water in Michigan’s Upper Peninsula that separates the cities of Houghton and Hancock and connects to the Keweenaw Waterway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portage Lake canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T12213517 — 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: Portage Lake Context triple: [Portage Lake Lift Bridge, over, Portage Lake]
-
A.
Portage Lake
Portage Lake is a small town in Aroostook County, Maine, known for its scenic lake, outdoor recreation, and rural, close-knit community.
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B.
Portage Lake
Portage Lake is a glacial lake in south-central Alaska formed by meltwater from Portage Glacier and known for its scenic views and boat tours.
-
C.
Otsego Lake
Otsego Lake is a popular inland lake in northern Michigan known for its recreational opportunities such as boating, fishing, and lakeside camping.
-
D.
Otsego Lake
Otsego Lake is a scenic glacial lake in central New York, best known for bordering the village of Cooperstown and inspiring James Fenimore Cooper’s “Glimmerglass” in his Leatherstocking Tales.
-
E.
White Lake
White Lake is a freshwater lake in western Michigan known for its recreational opportunities and proximity to the Lake Michigan shoreline.
- 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: Portage Lake Target entity description: Portage Lake is a body of water in Michigan’s Upper Peninsula that separates the cities of Houghton and Hancock and connects to the Keweenaw Waterway.
-
A.
Portage Lake
Portage Lake is a small town in Aroostook County, Maine, known for its scenic lake, outdoor recreation, and rural, close-knit community.
-
B.
Portage Lake
Portage Lake is a glacial lake in south-central Alaska formed by meltwater from Portage Glacier and known for its scenic views and boat tours.
-
C.
Otsego Lake
Otsego Lake is a popular inland lake in northern Michigan known for its recreational opportunities such as boating, fishing, and lakeside camping.
-
D.
Otsego Lake
Otsego Lake is a scenic glacial lake in central New York, best known for bordering the village of Cooperstown and inspiring James Fenimore Cooper’s “Glimmerglass” in his Leatherstocking Tales.
-
E.
White Lake
White Lake is a freshwater lake in western Michigan known for its recreational opportunities and proximity to the Lake Michigan shoreline.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
lake ⓘ |
| adjacentTo |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan NERFINISHED ⓘ |
| connectedTo |
Keweenaw Waterway
NERFINISHED
ⓘ
Lake Superior via Keweenaw Waterway NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | Portage Lake Lift Bridge NERFINISHED ⓘ |
| hasInfrastructure |
docks
ⓘ
marinas ⓘ |
| hasNameOrigin | Portage between water bodies in Keweenaw Peninsula region ⓘ |
| hasNearbyInstitution | Michigan Technological University NERFINISHED ⓘ |
| hasShorelineSettlement |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan NERFINISHED ⓘ |
| locatedIn |
Michigan
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
Upper Peninsula of Michigan ⓘ |
| locatedInCounty | Houghton County, Michigan NERFINISHED ⓘ |
| near | Michigan Technological University NERFINISHED ⓘ |
| partOf |
Great Lakes watershed
NERFINISHED
ⓘ
Keweenaw Waterway NERFINISHED ⓘ |
| region | Keweenaw Peninsula area NERFINISHED ⓘ |
| separates |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan NERFINISHED ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| usedFor |
boating
ⓘ
fishing ⓘ recreation ⓘ |
| waterbodyType | freshwater lake ⓘ |
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: Portage Lake Description of subject: Portage Lake is a body of water in Michigan’s Upper Peninsula that separates the cities of Houghton and Hancock and connects to the Keweenaw Waterway.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.