Portland, Maine, United States
E1859
Portland, Maine, United States is a historic coastal city in northern New England known for its working waterfront, vibrant arts and culinary scenes, and well-preserved 19th-century architecture.
All labels observed (7)
| Label | Occurrences |
|---|---|
| City of Portland, Maine | 7 |
| Portland, Maine, United States canonical | 5 |
| Portland, Maine | 4 |
| Munjoy Hill, Portland, Maine | 1 |
| Port of Portland, Maine | 1 |
| Portland, Maine (via Downeaster) | 1 |
| downtown Portland, Maine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4353 — 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, Maine, United States Context triple: [Portland, Oregon, United States, namedAfter, Portland, Maine, United States]
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A.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
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B.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
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C.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
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D.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
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E.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
- 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, Maine, United States Target entity description: Portland, Maine, United States is a historic coastal city in northern New England known for its working waterfront, vibrant arts and culinary scenes, and well-preserved 19th-century architecture.
-
A.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
-
B.
Everett, Massachusetts, United States
Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
-
C.
Boston, Massachusetts
Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
-
D.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
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E.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
- F. None of above. chosen
Statements (51)
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, Maine, United States Description of subject: Portland, Maine, United States is a historic coastal city in northern New England known for its working waterfront, vibrant arts and culinary scenes, and well-preserved 19th-century architecture.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States
linked to: Portland, Maine, United States