Triple
T1109576
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mary Jo Kopechne |
E25562
|
entity |
| Predicate | placeOfDeath |
P21
|
FINISHED |
| Object | Chappaquiddick Island, Massachusetts, United States |
E16591
|
NE FINISHED |
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 Island, Massachusetts, United States | Statement: [Mary Jo Kopechne, placeOfDeath, Chappaquiddick Island, Massachusetts, United States]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chappaquiddick Island, Massachusetts, United States Context triple: [Mary Jo Kopechne, placeOfDeath, Chappaquiddick Island, Massachusetts, United States]
-
A.
Chappaquiddick Island
chosen
Chappaquiddick Island is a small, largely undeveloped island off the eastern end of Martha’s Vineyard in Massachusetts, known for its beaches, wildlife, and the 1969 incident involving Senator Ted Kennedy.
-
B.
Martha's Vineyard
Martha's Vineyard is a well-known island off the coast of Massachusetts, popular as a scenic summer vacation destination and affluent seasonal community.
-
C.
Edgartown, Massachusetts
Edgartown, Massachusetts is a historic coastal town on Martha’s Vineyard known for its whaling-era architecture, tourism, and proximity to the site of the Chappaquiddick incident.
-
D.
Nantucket
Nantucket is a small, historic island and popular summer vacation destination off the coast of Massachusetts, known for its beaches, whaling-era architecture, and maritime heritage.
-
E.
Deer Island
Deer Island is a peninsula in Boston Harbor best known for housing one of the largest wastewater treatment plants in the United States and for its history as a former immigration and quarantine station.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a49428d4448190b3b36991ceae87ce |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4ba045fd88190982e1c6278fb9ca3 |
completed | March 1, 2026, 10:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac59a221888190a3ffdb713e7cd143 |
completed | March 7, 2026, 5 p.m. |
Created at: March 1, 2026, 7:43 p.m.