Gulf American Land Corporation
E519505
Gulf American Land Corporation was a mid-20th-century real estate development company notorious for large-scale, speculative land sales in Florida, particularly during the postwar land boom.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gulf American Land Corporation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5436745 — 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: Gulf American Land Corporation Context triple: [Golden Gate Estates, Florida, originalDeveloper, Gulf American Land Corporation]
-
A.
Unocal Corporation
Unocal Corporation was a major American oil and gas company, historically known for its exploration and production activities in the United States and Asia, before being acquired by Chevron.
-
B.
The Cordish Companies
The Cordish Companies is a prominent American real estate development and entertainment company known for creating large-scale mixed-use and entertainment districts across major U.S. cities.
-
C.
The Texas Company
The Texas Company, later known as Texaco, was a major American oil and gas corporation that became one of the world’s leading petroleum brands.
-
D.
South West Company
South West Company was a 19th-century American fur trading enterprise established by prominent merchant and fur magnate John Jacob Astor.
-
E.
L. F. Driscoll Company
L. F. Driscoll Company is a major construction firm known for serving as the general contractor on large-scale projects, including Philadelphia’s Citizens Bank Park.
- 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: Gulf American Land Corporation Target entity description: Gulf American Land Corporation was a mid-20th-century real estate development company notorious for large-scale, speculative land sales in Florida, particularly during the postwar land boom.
-
A.
Unocal Corporation
Unocal Corporation was a major American oil and gas company, historically known for its exploration and production activities in the United States and Asia, before being acquired by Chevron.
-
B.
The Cordish Companies
The Cordish Companies is a prominent American real estate development and entertainment company known for creating large-scale mixed-use and entertainment districts across major U.S. cities.
-
C.
The Texas Company
The Texas Company, later known as Texaco, was a major American oil and gas corporation that became one of the world’s leading petroleum brands.
-
D.
South West Company
South West Company was a 19th-century American fur trading enterprise established by prominent merchant and fur magnate John Jacob Astor.
-
E.
L. F. Driscoll Company
L. F. Driscoll Company is a major construction firm known for serving as the general contractor on large-scale projects, including Philadelphia’s Citizens Bank Park.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
land sales company
ⓘ
real estate development company ⓘ |
| activity |
marketing Florida land to out-of-state buyers
ⓘ
selling lots in large planned communities ⓘ |
| businessModel | subdivision and sale of undeveloped land ⓘ |
| businessPractice |
installment-plan lot sales
ⓘ
mass mail and telemarketing campaigns for land sales ⓘ |
| controversy |
allegations of misleading representations about land value
ⓘ
criticism for selling swampy or undevelopable land ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicContext | post–World War II real estate boom ⓘ |
| geographicFocus | Southwest Florida NERFINISHED ⓘ |
| impact | contributed to rapid suburban-style expansion in parts of Florida ⓘ |
| industry | real estate ⓘ |
| knownFor | selling land of questionable development value ⓘ |
| legalClassification | for-profit corporation ⓘ |
| notableFor |
large-scale speculative land sales
ⓘ
postwar Florida land boom activities ⓘ |
| operatedIn | Florida NERFINISHED ⓘ |
| product |
residential building lots
ⓘ
suburban-style subdivisions ⓘ |
| regulatoryIssues | subject to scrutiny over sales practices ⓘ |
| reputation | notorious for aggressive land marketing ⓘ |
| salesStrategy | promoting Florida land as investment opportunity ⓘ |
| timePeriod | mid-20th century ⓘ |
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: Gulf American Land Corporation Description of subject: Gulf American Land Corporation was a mid-20th-century real estate development company notorious for large-scale, speculative land sales in Florida, particularly during the postwar land boom.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.