John McShain, Inc.
E284046
John McShain, Inc. was a prominent American construction firm known for building major landmarks in Washington, D.C., including parts of the Pentagon and the Jefferson Memorial.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John McShain, Inc. canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2620186 — 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: John McShain, Inc. Context triple: [John McShain, employer, John McShain, Inc.]
-
A.
The Margaret Fink Company
The Margaret Fink Company is an Australian film production company best known for producing the acclaimed period drama "My Brilliant Career."
-
B.
John P. Jewett & Company
John P. Jewett & Company was a 19th-century American publishing firm best known for issuing Harriet Beecher Stowe’s influential anti-slavery novel "Uncle Tom's Cabin."
-
C.
Eggers & Higgins
Eggers & Higgins was a prominent 20th-century American architectural firm known for major public and institutional projects, including work on the Thomas Jefferson Memorial in Washington, D.C.
-
D.
Fred F. French Company
The Fred F. French Company was a prominent early 20th-century New York real estate development firm known for pioneering large-scale, planned residential complexes.
-
E.
Holabird & Roche
Holabird & Roche was a prominent Chicago-based architectural firm known for its influential early skyscraper designs and major civic projects in the late 19th and early 20th centuries.
- 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: John McShain, Inc. Target entity description: John McShain, Inc. was a prominent American construction firm known for building major landmarks in Washington, D.C., including parts of the Pentagon and the Jefferson Memorial.
-
A.
The Margaret Fink Company
The Margaret Fink Company is an Australian film production company best known for producing the acclaimed period drama "My Brilliant Career."
-
B.
John P. Jewett & Company
John P. Jewett & Company was a 19th-century American publishing firm best known for issuing Harriet Beecher Stowe’s influential anti-slavery novel "Uncle Tom's Cabin."
-
C.
Eggers & Higgins
Eggers & Higgins was a prominent 20th-century American architectural firm known for major public and institutional projects, including work on the Thomas Jefferson Memorial in Washington, D.C.
-
D.
Fred F. French Company
The Fred F. French Company was a prominent early 20th-century New York real estate development firm known for pioneering large-scale, planned residential complexes.
-
E.
Holabird & Roche
Holabird & Roche was a prominent Chicago-based architectural firm known for its influential early skyscraper designs and major civic projects in the late 19th and early 20th centuries.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
business enterprise
ⓘ
construction company ⓘ |
| activity | building major public buildings ⓘ |
| basedIn |
United States of America
ⓘ
surface form:
United States
Washington metropolitan area ⓘ
surface form:
Washington, D.C. metropolitan area
|
| country |
United States of America
ⓘ
surface form:
United States
|
| foundedBy | John McShain ⓘ |
| industry | construction industry ⓘ |
| locationOfOperations | Washington, D.C. ⓘ |
| notability | prominent American construction firm ⓘ |
| notableWork |
Jefferson Memorial
ⓘ
Pentagon ⓘ Washington, D.C. landmarks ⓘ |
| operatedInCentury | 20th century ⓘ |
| specialization |
large-scale government projects
ⓘ
monument and memorial construction ⓘ |
| typeOfBusiness | private company ⓘ |
| workedOnPartOf |
Jefferson Memorial
ⓘ
Pentagon ⓘ |
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: John McShain, Inc. Description of subject: John McShain, Inc. was a prominent American construction firm known for building major landmarks in Washington, D.C., including parts of the Pentagon and the Jefferson Memorial.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.