Richard Hagerman
E740396
Richard Hagerman is known as the father of Amber Hagerman, the nine-year-old girl whose 1996 abduction and murder led to the creation of the AMBER Alert child abduction emergency system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Richard Hagerman canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8401373 — 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: Richard Hagerman Context triple: [Amber Hagerman, hasFather, Richard Hagerman]
-
A.
George Tibbets
George Tibbets is a person notable enough to be recognized as a bearer of the surname Tibbets, though specific widely known biographical details about him are not well documented.
-
B.
H. O. "Hub" Easterwood
H. O. "Hub" Easterwood was an aviator in whose honor Easterwood Airport in College Station, Texas, was named.
-
C.
John Sheehan
John Sheehan was an actor known for his roles in early 20th-century American films, including the silent-era production "The Secret Code."
-
D.
Jack O’Brien
Jack O’Brien is a Tony Award–winning American theatre director known for his work on major Broadway productions and revivals.
-
E.
David Grant
David Grant is the intelligence expert and reluctant hero who helps thwart a hijacking plot in the action-thriller film "Executive Decision."
- 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: Richard Hagerman Target entity description: Richard Hagerman is known as the father of Amber Hagerman, the nine-year-old girl whose 1996 abduction and murder led to the creation of the AMBER Alert child abduction emergency system.
-
A.
George Tibbets
George Tibbets is a person notable enough to be recognized as a bearer of the surname Tibbets, though specific widely known biographical details about him are not well documented.
-
B.
H. O. "Hub" Easterwood
H. O. "Hub" Easterwood was an aviator in whose honor Easterwood Airport in College Station, Texas, was named.
-
C.
John Sheehan
John Sheehan was an actor known for his roles in early 20th-century American films, including the silent-era production "The Secret Code."
-
D.
Jack O’Brien
Jack O’Brien is a Tony Award–winning American theatre director known for his work on major Broadway productions and revivals.
-
E.
David Grant
David Grant is the intelligence expert and reluctant hero who helps thwart a hijacking plot in the action-thriller film "Executive Decision."
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf |
child abduction emergency alert system
ⓘ
father ⓘ human ⓘ |
| child | Amber Hagerman ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| countryOfOrigin | United States of America ⓘ |
| father | Richard Hagerman ⓘ |
| gender | male ⓘ |
| knownFor | connection to the origins of the AMBER Alert system ⓘ |
| mother | Donna Williams ⓘ |
| namedAfter | Amber Hagerman ⓘ |
| notableFor |
abduction and murder in 1996 that led to the creation of the AMBER Alert system
ⓘ
being the father of Amber Hagerman ⓘ |
| residence | Arlington, Texas ⓘ |
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: Richard Hagerman Description of subject: Richard Hagerman is known as the father of Amber Hagerman, the nine-year-old girl whose 1996 abduction and murder led to the creation of the AMBER Alert child abduction emergency system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Richard Hagerman