Portland harbor
E405071
Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Portland Harbor | 12 |
| Portland harbor canonical | 2 |
| Portland harbor and waterfront area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3975645 — 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: Portland harbor Context triple: [Maine Central Railroad, servedPort, Portland harbor]
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A.
Washington Harbor
Washington Harbor is a small, sheltered inlet on Isle Royale in Lake Superior, known as a key access point and harbor area within Isle Royale National Park.
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B.
Portsmouth Harbor
Portsmouth Harbor is a historic deep-water port on the Atlantic coast of New Hampshire and Maine, known for its naval shipyard, maritime commerce, and strategic military significance.
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C.
Baltimore Harbor
Baltimore Harbor is a historic seaport in Baltimore, Maryland, best known as the site of the War of 1812 battle that inspired the United States national anthem.
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D.
Boston Harbor
Boston Harbor is a natural harbor and estuary of Massachusetts Bay that serves as the historic maritime gateway to the city of Boston and a major hub of shipping, recreation, and coastal ecology in New England.
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E.
Annapolis Harbor
Annapolis Harbor is a historic waterfront and marina area in Annapolis, Maryland, known for its sailing, maritime heritage, and proximity to the U.S. Naval Academy.
- 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: Portland harbor Target entity description: Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
-
A.
Washington Harbor
Washington Harbor is a small, sheltered inlet on Isle Royale in Lake Superior, known as a key access point and harbor area within Isle Royale National Park.
-
B.
Portsmouth Harbor
Portsmouth Harbor is a historic deep-water port on the Atlantic coast of New Hampshire and Maine, known for its naval shipyard, maritime commerce, and strategic military significance.
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C.
Baltimore Harbor
Baltimore Harbor is a historic seaport in Baltimore, Maryland, best known as the site of the War of 1812 battle that inspired the United States national anthem.
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D.
Boston Harbor
Boston Harbor is a natural harbor and estuary of Massachusetts Bay that serves as the historic maritime gateway to the city of Boston and a major hub of shipping, recreation, and coastal ecology in New England.
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E.
Annapolis Harbor
Annapolis Harbor is a historic waterfront and marina area in Annapolis, Maryland, known for its sailing, maritime heritage, and proximity to the U.S. Naval Academy.
- F. None of above. chosen
Statements (49)
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: Portland harbor Description of subject: Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor
linked to: Portland harbor