Overseas Extension
E317566
Overseas Extension is an alternate name for the Overseas Railroad, the historic rail line that once connected mainland Florida to Key West across a series of long bridges and islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Overseas Extension canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2994417 — 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 Extension Context triple: [Overseas Railroad, alsoKnownAs, Overseas Extension]
-
A.
Overseas Branch
The Overseas Branch was a division of the U.S. Office of War Information responsible for producing and distributing propaganda and informational materials abroad during World War II.
-
B.
School of Extended and International Education
The School of Extended and International Education is a division of Sonoma State University that offers continuing, professional, and international education programs for non-traditional, part-time, and global learners.
-
C.
College of Extended and International Education
The College of Extended and International Education is a division of California State University, Dominguez Hills that offers continuing education, professional development, and international programs for diverse and non-traditional learners.
-
D.
Ambassadors International
Ambassadors International was a U.S.-based travel and cruise company best known for operating cruise lines such as Windstar Cruises before ultimately filing for bankruptcy.
-
E.
Universia
Universia is an Ibero-American university network and online platform that connects higher education institutions across Spanish- and Portuguese-speaking countries to promote collaboration, academic resources, and educational services.
- 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 Extension Target entity description: Overseas Extension is an alternate name for the Overseas Railroad, the historic rail line that once connected mainland Florida to Key West across a series of long bridges and islands.
-
A.
Overseas Branch
The Overseas Branch was a division of the U.S. Office of War Information responsible for producing and distributing propaganda and informational materials abroad during World War II.
-
B.
School of Extended and International Education
The School of Extended and International Education is a division of Sonoma State University that offers continuing, professional, and international education programs for non-traditional, part-time, and global learners.
-
C.
College of Extended and International Education
The College of Extended and International Education is a division of California State University, Dominguez Hills that offers continuing education, professional development, and international programs for diverse and non-traditional learners.
-
D.
Ambassadors International
Ambassadors International was a U.S.-based travel and cruise company best known for operating cruise lines such as Windstar Cruises before ultimately filing for bankruptcy.
-
E.
Universia
Universia is an Ibero-American university network and online platform that connects higher education institutions across Spanish- and Portuguese-speaking countries to promote collaboration, academic resources, and educational services.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
historic railroad
ⓘ
railway line ⓘ |
| alsoKnownAs | Key West Extension ⓘ |
| alternateName | Overseas Railroad ⓘ |
| builder |
Florida East Coast Railway (historical)
ⓘ
surface form:
Florida East Coast Railway
|
| connects |
Key West, Florida
ⓘ
surface form:
Key West
Florida Peninsula ⓘ
surface form:
mainland Florida
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Florida Keys
ⓘ
islands ⓘ series of long bridges ⓘ |
| gauge | standard gauge ⓘ |
| historicalPeriod | early 20th century ⓘ |
| locatedIn |
Atlantic Ocean region
ⓘ
Florida Keys ⓘ
surface form:
Florida Keys archipelago
|
| namedAfter |
Overseas Highway
ⓘ
surface form:
Overseas Highway (later successor route)
|
| owner |
Florida East Coast Railway (historical)
ⓘ
surface form:
Florida East Coast Railway
|
| partOf |
Florida East Coast Railway (historical)
ⓘ
surface form:
Florida East Coast Railway
|
| routeType | coastal route ⓘ |
| significance |
engineering landmark
ⓘ
historic transportation corridor ⓘ |
| state | Florida ⓘ |
| status | defunct ⓘ |
| successor | Overseas Highway ⓘ |
| terminus |
Key West, Florida
ⓘ
surface form:
Key West
Florida Peninsula ⓘ
surface form:
mainland Florida
|
| transportType | rail transport ⓘ |
| usedFor |
freight rail service
ⓘ
passenger rail service ⓘ |
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 Extension Description of subject: Overseas Extension is an alternate name for the Overseas Railroad, the historic rail line that once connected mainland Florida to Key West across a series of long bridges and islands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Overseas Railroad