Port of Alpena
E687926
The Port of Alpena is a regional commercial harbor on Lake Huron in Michigan that primarily handles bulk commodities such as cement and aggregates within the Great Lakes shipping network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Port of Alpena canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7581890 — 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: Port of Alpena Context triple: [Great Lakes port system, hasPart, Port of Alpena]
-
A.
Port of Saginaw
The Port of Saginaw is a commercial shipping port and cargo-handling facility located in Saginaw, Michigan, serving regional industry via Great Lakes and inland waterway connections.
-
B.
Port of Marquette
The Port of Marquette is a commercial harbor on Lake Superior that serves as a key shipping point for bulk commodities in Michigan’s Upper Peninsula.
-
C.
Port of Muskegon
The Port of Muskegon is a commercial and recreational deep-water harbor on Lake Michigan that serves as a key maritime gateway for the Muskegon and greater West Michigan region.
-
D.
Port of Port Huron
The Port of Port Huron is a commercial and transportation hub on the St. Clair River in eastern Michigan, serving as a key Great Lakes shipping and border crossing point between the United States and Canada.
-
E.
Port of Detroit
The Port of Detroit is a major Great Lakes and river port that serves as a key hub for cargo shipping and maritime commerce in southeastern Michigan.
- 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: Port of Alpena Target entity description: The Port of Alpena is a regional commercial harbor on Lake Huron in Michigan that primarily handles bulk commodities such as cement and aggregates within the Great Lakes shipping network.
-
A.
Port of Saginaw
The Port of Saginaw is a commercial shipping port and cargo-handling facility located in Saginaw, Michigan, serving regional industry via Great Lakes and inland waterway connections.
-
B.
Port of Marquette
The Port of Marquette is a commercial harbor on Lake Superior that serves as a key shipping point for bulk commodities in Michigan’s Upper Peninsula.
-
C.
Port of Muskegon
The Port of Muskegon is a commercial and recreational deep-water harbor on Lake Michigan that serves as a key maritime gateway for the Muskegon and greater West Michigan region.
-
D.
Port of Port Huron
The Port of Port Huron is a commercial and transportation hub on the St. Clair River in eastern Michigan, serving as a key Great Lakes shipping and border crossing point between the United States and Canada.
-
E.
Port of Detroit
The Port of Detroit is a major Great Lakes and river port that serves as a key hub for cargo shipping and maritime commerce in southeastern Michigan.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
harbor
ⓘ
port ⓘ |
| bodyOfWater | Thunder Bay ⓘ |
| cargoType | bulk commodities ⓘ |
| connectedTo |
inland distribution network
ⓘ
regional road network ⓘ |
| connectsTo | other Great Lakes ports ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environmentalContext | Great Lakes freshwater ecosystem ⓘ |
| governedBy |
State of Michigan port regulations
ⓘ
United States federal maritime regulations ⓘ |
| hasCargoHandling |
bulk loading facilities
ⓘ
bulk unloading facilities ⓘ |
| hasNavigationSeason | ice-free months ⓘ |
| hasPortType |
bulk cargo port
ⓘ
commercial port ⓘ |
| locatedIn |
Alpena County, Michigan
ⓘ
linked to:
Alpena County
Alpena, Michigan ⓘ
linked to:
Alpena
Michigan ⓘ |
| locatedOn | Lake Huron ⓘ |
| near |
Thunder Bay National Marine Sanctuary
ⓘ
city of Alpena ⓘ
linked to:
Alpena
|
| partOf |
Great Lakes shipping network
ⓘ
linked to:
Great Lakes port system
|
| primaryCargo |
aggregates
ⓘ
cement ⓘ |
| region | Midwestern United States ⓘ |
| role |
bulk materials distribution center
ⓘ
regional commercial hub ⓘ |
| serves |
Great Lakes shipping
ⓘ
regional commerce ⓘ |
| state |
Michigan
ⓘ
linked to:
Michigan (most of state)
|
| supportsIndustry |
cement industry
ⓘ
construction materials industry ⓘ regional manufacturing ⓘ |
| transportMode | maritime transport ⓘ |
| usedFor |
domestic shipping
ⓘ
intra-Great Lakes trade ⓘ lake freighter traffic ⓘ |
| waterway |
Great Lakes–St. Lawrence Seaway system
ⓘ
linked to:
Great Lakes–St. Lawrence system
|
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: Port of Alpena Description of subject: The Port of Alpena is a regional commercial harbor on Lake Huron in Michigan that primarily handles bulk commodities such as cement and aggregates within the Great Lakes shipping network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.