Union Station (Portland, Maine)
E743146
Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union Station (Portland, Maine) canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8530740 — 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: Union Station (Portland, Maine) Context triple: [Union Station, hasNotableExample, Union Station (Portland, Maine)]
-
A.
Union Station (Bangor, Maine)
Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
-
B.
Union Station (Brattleboro, Vermont)
Union Station (Brattleboro, Vermont) is a historic former railroad station in Brattleboro that now serves as a key local landmark and houses the Brattleboro Museum & Art Center.
-
C.
Bowdoin station
Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
-
D.
New London Union Station
New London Union Station is a historic waterfront train station in New London, Connecticut, serving as a regional rail hub for Amtrak and commuter services.
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E.
Newburyport station
Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
- 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: Union Station (Portland, Maine) Target entity description: Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
-
A.
Union Station (Bangor, Maine)
Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
-
B.
Union Station (Brattleboro, Vermont)
Union Station (Brattleboro, Vermont) is a historic former railroad station in Brattleboro that now serves as a key local landmark and houses the Brattleboro Museum & Art Center.
-
C.
Bowdoin station
Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
-
D.
New London Union Station
New London Union Station is a historic waterfront train station in New London, Connecticut, serving as a regional rail hub for Amtrak and commuter services.
-
E.
Newburyport station
Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
former building
ⓘ
railway station ⓘ |
| architecturalStyle |
Richardsonian Romanesque
NERFINISHED
ⓘ
Romanesque Revival architecture NERFINISHED ⓘ |
| category |
Buildings and structures demolished in 1961
ⓘ
Former railway stations in Maine ⓘ Railway stations in the United States opened in 1888 ⓘ Transportation buildings and structures in Portland, Maine ⓘ |
| causeOfDemolition |
decline of passenger rail service in the United States
ⓘ
urban renewal ⓘ |
| connectedTo |
Boston, Massachusetts
NERFINISHED
ⓘ
Montreal, Quebec NERFINISHED ⓘ interior Maine communities ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| demolitionDate | 1961 ⓘ |
| demolitionPeriod | 1960s ⓘ |
| era |
19th century
ⓘ
early 20th century ⓘ |
| hasPart |
clock tower
ⓘ
train sheds ⓘ |
| heritageStatus | considered a significant loss to Portland architectural history ⓘ |
| locatedIn |
Cumberland County, Maine
NERFINISHED
ⓘ
Maine NERFINISHED ⓘ Portland, Maine NERFINISHED ⓘ |
| materialUsed | granite ⓘ |
| notableFor |
large Romanesque clock tower visible from much of Portland
ⓘ
role as a union station serving multiple railroads ⓘ |
| openingDate | 1888 ⓘ |
| railwayNetwork |
Boston and Maine Railroad
NERFINISHED
ⓘ
Grand Trunk Railway NERFINISHED ⓘ Maine Central Railroad NERFINISHED ⓘ Portland and Ogdensburg Railroad NERFINISHED ⓘ |
| replaced | earlier Portland railroad depots ⓘ |
| replacedBy | commercial development ⓘ |
| servedArea |
Portland metropolitan area
NERFINISHED
ⓘ
northern New England ⓘ southern Maine NERFINISHED ⓘ |
| significance |
major regional transportation hub
ⓘ
principal railroad station in Portland, Maine ⓘ |
| status | demolished ⓘ |
| transportMode | rail ⓘ |
| usedFor |
freight rail operations
ⓘ
passenger rail transport ⓘ |
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: Union Station (Portland, Maine) Description of subject: Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.