Triple
T15910202
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 2023 East Palestine, Ohio train derailment |
E385828
|
entity |
| Predicate | hazardousMaterialsInvolved |
P25885
|
FINISHED |
| Object | vinyl chloride |
—
|
LITERAL 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: vinyl chloride | Statement: [2023 East Palestine, Ohio train derailment, hazardousMaterialsInvolved, vinyl chloride]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hazardousMaterialsInvolved Context triple: [2023 East Palestine, Ohio train derailment, hazardousMaterialsInvolved, vinyl chloride]
-
A.
materialInvolved
chosen
Indicates that a particular material participates in, is used by, or is otherwise involved in the referenced process, event, or relationship.
-
B.
hazmatSupport
Indicates that one entity provides hazardous materials (hazmat) response or support services to another entity or situation.
-
C.
containsChemical
Indicates that one entity includes or has within it a specified chemical substance.
-
D.
hasHazardousMaterialsRestrictions
Indicates that there are rules or limitations governing the presence, handling, or transport of hazardous materials in relation to the subject.
-
E.
explosiveMaterialUsed
Indicates that an explosive material was employed or involved in carrying out a particular action or event.
- F. None of above.
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_69d86da686e4819097cbf3b1fc2d881d |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e17d4d08f481909f38b75e3f42d9ab |
completed | April 17, 2026, 12:22 a.m. |
| PD | Predicate disambiguation | batch_69e142ca3b208190946c3aa4c1e6087c |
completed | April 16, 2026, 8:12 p.m. |
Created at: April 10, 2026, 4:52 a.m.