Portland harbor

E405071

harbor seaport

Portland harbor is a major seaport on the coast of Maine known historically as a key commercial and transportation hub in New England.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Portland Harbor	5
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]

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.
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.
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.
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.
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.
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.
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)

Predicate	Object
instanceOf	harbor ⓘ seaport ⓘ
connectedTo	Interstate 295 NERFINISHED ⓘ U.S. Route 1 ⓘ rail network in Maine ⓘ
country	United States of America ⓘ surface form: United States
governingBody	Maine Port Authority ⓘ Portland Harbor Commission ⓘ
hasActivity	bulk cargo handling ⓘ containerized cargo handling ⓘ export of forest products ⓘ import of petroleum products ⓘ
hasFacility	cargo terminals ⓘ container facilities ⓘ cruise ship berths ⓘ ferry terminals ⓘ oil terminals ⓘ
hasNearbyCity	Portland, Maine NERFINISHED ⓘ
hasNearbyIsland	Cushing Island NERFINISHED ⓘ Great Diamond Island ⓘ House Island ⓘ Little Diamond Island ⓘ Peaks Island ⓘ
hasStructure	Bug Light (Portland Breakwater Light) ⓘ Fort Gorges ⓘ Fort Preble ⓘ Fort Scammel ⓘ Bug Light (Portland Breakwater Light) ⓘ surface form: Portland Breakwater Light Spring Point Ledge Light ⓘ
historicalRole	key commercial hub in New England ⓘ key transportation hub in New England ⓘ
knownFor	commercial shipping ⓘ deep-water port ⓘ fishing industry ⓘ transportation hub in New England ⓘ
locatedIn	Atlantic Ocean ⓘ Gulf of Maine ⓘ Portland, Maine NERFINISHED ⓘ
partOf	Port of Portland (Maine) ⓘ Portland waterfront ⓘ
region	New England ⓘ
state	Maine ⓘ
usedFor	commercial shipping ⓘ cruise ships ⓘ fishing ⓘ passenger ferries ⓘ recreational boating ⓘ
waterbody	Casco Bay ⓘ Fore River (Maine) ⓘ surface form: Fore River

How these facts were elicited