Mary Jo Kopechne
E25562
Mary Jo Kopechne was a young political campaign worker and former aide to Senator Robert F. Kennedy whose death in 1969 at Chappaquiddick Island became the center of a major political scandal involving Senator Ted Kennedy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary Jo Kopechne canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T19537 — 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: Mary Jo Kopechne Context triple: [Chappaquiddick incident, involvedPerson, Mary Jo Kopechne]
-
A.
Mary Lee Woods
Mary Lee Woods was a British mathematician and computer scientist who worked on early computers at Ferranti and was the mother of World Wide Web inventor Tim Berners-Lee.
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B.
Nancy Carlson
Nancy Carlson is known as the wife of World Wide Web inventor Sir Tim Berners-Lee.
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C.
Mary Easty
Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
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D.
Maxine Singer
Maxine Singer is an American molecular biologist renowned for her pioneering work in genetics and for her leadership in shaping ethical guidelines for recombinant DNA research.
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E.
Lucille Sheardown
Lucille Sheardown was one of the later wives of American inventor Lee de Forest, associated with his personal life rather than his pioneering work in radio and electronics.
- 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: Mary Jo Kopechne Target entity description: Mary Jo Kopechne was a young political campaign worker and former aide to Senator Robert F. Kennedy whose death in 1969 at Chappaquiddick Island became the center of a major political scandal involving Senator Ted Kennedy.
-
A.
Mary Lee Woods
Mary Lee Woods was a British mathematician and computer scientist who worked on early computers at Ferranti and was the mother of World Wide Web inventor Tim Berners-Lee.
-
B.
Nancy Carlson
Nancy Carlson is known as the wife of World Wide Web inventor Sir Tim Berners-Lee.
-
C.
Mary Easty
Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
-
D.
Maxine Singer
Maxine Singer is an American molecular biologist renowned for her pioneering work in genetics and for her leadership in shaping ethical guidelines for recombinant DNA research.
-
E.
Lucille Sheardown
Lucille Sheardown was one of the later wives of American inventor Lee de Forest, associated with his personal life rather than his pioneering work in radio and electronics.
- F. None of above. chosen
Statements (41)
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: Mary Jo Kopechne Description of subject: Mary Jo Kopechne was a young political campaign worker and former aide to Senator Robert F. Kennedy whose death in 1969 at Chappaquiddick Island became the center of a major political scandal involving Senator Ted Kennedy.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chappaquiddick
subject surface form:
Chappaquiddick
subject surface form:
Larksville, Pennsylvania