Triple
T22820896
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mary Jo Kopechne |
E565225
|
entity |
| Predicate | participantIn |
P149
|
FINISHED |
| Object | Chappaquiddick incident |
—
|
NE NERFINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Chappaquiddick incident | Statement: [Mary Jo Kopechne, participantIn, Chappaquiddick incident]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chappaquiddick incident Context triple: [Mary Jo Kopechne, participantIn, Chappaquiddick incident]
-
A.
Chappaquiddick incident
chosen
The Chappaquiddick incident was a 1969 car accident on Chappaquiddick Island involving Senator Edward M. Kennedy that resulted in the death of Mary Jo Kopechne and had lasting political repercussions for Kennedy's career.
-
B.
Chappaquiddick Island landing
Chappaquiddick Island landing is the small ferry terminal on Chappaquiddick Island, Massachusetts, where the Chappy Ferry brings passengers and vehicles across the narrow channel from Edgartown on Martha’s Vineyard.
-
C.
The Algiers Motel Incident
The Algiers Motel Incident is a nonfiction book by John Hersey that investigates the racially charged 1967 Detroit police killings of three Black teenagers and the brutalization of several others during the city’s uprising.
-
D.
Brownsville Affair
The Brownsville Affair was a 1906 racial incident in Brownsville, Texas, in which Black U.S. Army soldiers were falsely accused of a shooting, leading to their dishonorable discharge and a long-running civil rights controversy.
-
E.
Watertown, Massachusetts shootout
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e2458426188190b58b8ab4844fe420 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17dcffdd88190a5f9c780c71b5053 |
completed | April 29, 2026, 3:41 a.m. |
Created at: April 17, 2026, 3:33 p.m.