Triple
T8246499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | demon core |
E192861
|
entity |
| Predicate | causedAccident |
P81158
|
FINISHED |
| Object | Louis Slotin criticality accident |
E37320
|
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: Louis Slotin criticality accident | Statement: [demon core, causedAccident, Louis Slotin criticality accident]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Louis Slotin criticality accident Context triple: [demon core, causedAccident, Louis Slotin criticality accident]
-
A.
NRX reactor accident of 1952
The NRX reactor accident of 1952 was a major nuclear reactor incident in Canada involving a partial meltdown and significant radioactive release, making it one of the earliest serious accidents in nuclear power history.
-
B.
Louis Slotin
chosen
Louis Slotin was a Canadian physicist and chemist best known for his work on the Manhattan Project and for a fatal criticality accident during a plutonium core experiment in 1946.
-
C.
SL-1
SL-1 is the designation for Skylab 1, the first U.S. space station mission that launched and delivered the Skylab orbital workshop into space.
-
D.
Chernobyl disaster
The Chernobyl disaster was a catastrophic 1986 nuclear power plant accident in Soviet-era Ukraine that released massive radioactive contamination across Europe and became one of the worst nuclear disasters in history.
-
E.
Chicago Pile-3
Chicago Pile-3 was an early heavy-water moderated nuclear reactor built at Argonne National Laboratory, notable as one of the first reactors designed for research on reactor physics and materials.
- 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_69ca82de7b8c81908d8106f8a53cff9b |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb787414508190a08cf47d1545ce50 |
completed | March 31, 2026, 7:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd352b1a288190bd13ef84bef7fa1c |
completed | April 1, 2026, 3:09 p.m. |
Created at: March 30, 2026, 5:48 p.m.