Triple
T21196467
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Palestine, Ohio |
E522339
|
entity |
| Predicate | eventLocation |
P373
|
FINISHED |
| Object | 2023 Norfolk Southern train derailment |
—
|
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: 2023 Norfolk Southern train derailment | Statement: [East Palestine, Ohio, eventLocation, 2023 Norfolk Southern train derailment]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 2023 Norfolk Southern train derailment Context triple: [East Palestine, Ohio, eventLocation, 2023 Norfolk Southern train derailment]
-
A.
2023 East Palestine, Ohio train derailment
chosen
The 2023 East Palestine, Ohio train derailment was a major freight train accident involving hazardous materials that sparked widespread environmental, health, and regulatory concerns across the United States.
-
B.
2013 Brétigny-sur-Orge train derailment
The 2013 Brétigny-sur-Orge train derailment was a fatal railway accident in France in which a Paris–Limoges intercity train derailed at Brétigny-sur-Orge station, causing multiple deaths and injuries and prompting major safety investigations.
-
C.
2009 Red Line collision
The 2009 Red Line collision was a deadly rear-end crash between two Washington Metro trains near Fort Totten station that became one of the worst accidents in the system’s history and prompted major safety reforms.
-
D.
2010 San Bruno pipeline explosion
The 2010 San Bruno pipeline explosion was a catastrophic natural gas line rupture and fire in a residential neighborhood that killed eight people, destroyed dozens of homes, and prompted major scrutiny of pipeline safety regulations in the United States.
-
E.
Hatfield rail crash
The Hatfield rail crash was a fatal 2000 train derailment in Hertfordshire, England, that exposed serious track maintenance failures and triggered major reforms in the UK rail industry.
- 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_69e0b51061388190aa03f19700d3ef04 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7333bd7a0819084bbd1d6c111bc65 |
completed | April 21, 2026, 8:20 a.m. |
Created at: April 16, 2026, 3:08 p.m.