Thomas Pihlfeldt
E602812
Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thomas Pihlfeldt canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5897762 — 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: Thomas Pihlfeldt Context triple: [DuSable Bridge, engineer, Thomas Pihlfeldt]
-
A.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
B.
Joseph Flummerfelt
Joseph Flummerfelt was an acclaimed American choral conductor and educator, best known for his long association with the Westminster Choir and major orchestras and festivals around the world.
-
C.
Thomas Hartwig
Thomas Hartwig is a technology entrepreneur best known as a co-founder of King Digital Entertainment, the company behind the hit game Candy Crush Saga.
-
D.
Gustav Kleikamp
Gustav Kleikamp was a German naval officer and rear admiral in the Kriegsmarine during World War II, known for commanding forces in the opening attack on Poland.
-
E.
Charles Rettig
Charles Rettig is an American tax attorney who served as the Commissioner of the Internal Revenue Service (IRS) from 2018 to 2022.
- 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: Thomas Pihlfeldt Target entity description: Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
-
A.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
B.
Joseph Flummerfelt
Joseph Flummerfelt was an acclaimed American choral conductor and educator, best known for his long association with the Westminster Choir and major orchestras and festivals around the world.
-
C.
Thomas Hartwig
Thomas Hartwig is a technology entrepreneur best known as a co-founder of King Digital Entertainment, the company behind the hit game Candy Crush Saga.
-
D.
Gustav Kleikamp
Gustav Kleikamp was a German naval officer and rear admiral in the Kriegsmarine during World War II, known for commanding forces in the opening attack on Poland.
-
E.
Charles Rettig
Charles Rettig is an American tax attorney who served as the Commissioner of the Internal Revenue Service (IRS) from 2018 to 2022.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
engineer ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Chicago River ⓘ |
| knownFor |
designing the DuSable Bridge
ⓘ
overseeing the construction of the DuSable Bridge ⓘ |
| location | Chicago ⓘ |
| notableWork | DuSable Bridge ⓘ |
| occupation | engineer ⓘ |
| workLocation | Chicago ⓘ |
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: Thomas Pihlfeldt Description of subject: Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.