Overseas Railroad
E1035952
The Overseas Railroad was a historic extension of the Florida East Coast Railway that connected mainland Florida to Key West across a series of long bridges over the Florida Keys.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Overseas Railroad canonical | 3 |
| Overseas Railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13330766 — 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: Overseas Railroad Context triple: [Overseas Extension, alternateName, Overseas Railroad]
-
A.
The Standard Railroad of the World
The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
-
B.
The Railroad
The Railroad is a 19th-century American folk song, also known as "The Railway," that reflects the expansion of rail transport and its impact on society.
-
C.
Buenos Aires and Pacific Railway
The Buenos Aires and Pacific Railway was a major British-owned railway company in Argentina that operated key long-distance and suburban lines connecting Buenos Aires with western regions of the country during the late 19th and early 20th centuries.
-
D.
Central Pacific
Central Pacific refers to the midsection of the Pacific Ocean region, historically significant as a major area of military operations and command during the Pacific theater of World War II.
-
E.
Central Pacific
Central Pacific is a subgroup of Oceanic Austronesian languages that includes Fijian and related languages spoken across parts of Fiji and nearby Pacific islands.
- 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: Overseas Railroad Target entity description: The Overseas Railroad was a historic extension of the Florida East Coast Railway that connected mainland Florida to Key West across a series of long bridges over the Florida Keys.
-
A.
The Standard Railroad of the World
The Standard Railroad of the World was the proud slogan and nickname of the Pennsylvania Railroad, once one of the largest and most influential railroads in the United States.
-
B.
The Railroad
The Railroad is a 19th-century American folk song, also known as "The Railway," that reflects the expansion of rail transport and its impact on society.
-
C.
Buenos Aires and Pacific Railway
The Buenos Aires and Pacific Railway was a major British-owned railway company in Argentina that operated key long-distance and suburban lines connecting Buenos Aires with western regions of the country during the late 19th and early 20th centuries.
-
D.
Central Pacific
Central Pacific refers to the midsection of the Pacific Ocean region, historically significant as a major area of military operations and command during the Pacific theater of World War II.
-
E.
Central Pacific
Central Pacific is a subgroup of Oceanic Austronesian languages that includes Fijian and related languages spoken across parts of Fiji and nearby Pacific islands.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic railroad
ⓘ
railway line ⓘ |
| alsoKnownAs | Overseas Extension NERFINISHED ⓘ |
| associatedWith | Florida East Coast Railway Key West Extension project ⓘ |
| builder | Florida East Coast Railway NERFINISHED ⓘ |
| closureReason | extensive hurricane damage and high repair cost ⓘ |
| connected |
Key West
NERFINISHED
ⓘ
mainland Florida NERFINISHED ⓘ |
| constructionDifficulty | built largely over open water and shallow reefs ⓘ |
| constructionStart | 1905 ⓘ |
| country | United States of America ⓘ |
| crossed | Florida Keys NERFINISHED ⓘ |
| crossedBodyOfWater |
Florida Bay
NERFINISHED
ⓘ
Straits of Florida NERFINISHED ⓘ |
| developer | Henry Flagler NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| heritageStatus | remnants preserved as historic structures ⓘ |
| historicalPeriod | early 20th century ⓘ |
| historicalSignificance | major feat of early 20th-century American civil engineering ⓘ |
| inception | 1905 ⓘ |
| infrastructureReuse | railroad bridges converted for highway use ⓘ |
| length | about 128 miles ⓘ |
| locatedIn |
Miami-Dade County, Florida
NERFINISHED
ⓘ
Monroe County, Florida NERFINISHED ⓘ |
| notableFor |
engineering challenges due to hurricanes and open sea
ⓘ
series of long bridges over open ocean ⓘ |
| officialName | Key West Extension of the Florida East Coast Railway NERFINISHED ⓘ |
| openedForTraffic | January 1912 ⓘ |
| openingDate | 1912 ⓘ |
| owner | Florida East Coast Railway NERFINISHED ⓘ |
| partlyConvertedTo | pedestrian and fishing piers ⓘ |
| partOf | Florida East Coast Railway NERFINISHED ⓘ |
| purpose |
to extend rail service to Key West
ⓘ
to facilitate trade with Cuba and Latin America ⓘ |
| serviceEnd | 1935 ⓘ |
| significantEvent | damaged by the 1935 Labor Day hurricane ⓘ |
| state | Florida ⓘ |
| successor | Overseas Highway NERFINISHED ⓘ |
| terminus |
Key West
NERFINISHED
ⓘ
Miami NERFINISHED ⓘ |
| transportMode | rail ⓘ |
| traversed |
Bahia Honda Bridge
NERFINISHED
ⓘ
Long Key Bridge NERFINISHED ⓘ Seven Mile Bridge NERFINISHED ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
| usedMaterial |
concrete
ⓘ
steel ⓘ |
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: Overseas Railroad Description of subject: The Overseas Railroad was a historic extension of the Florida East Coast Railway that connected mainland Florida to Key West across a series of long bridges over the Florida Keys.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Marathon, Florida
this entity surface form:
Overseas Railway