Triple
T9673211
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sellafield |
E234080
|
entity |
| Predicate | hasAccident |
P32122
|
FINISHED |
| Object |
Windscale fire
The Windscale fire was a major 1957 nuclear reactor accident in the UK, considered one of the worst nuclear disasters in British history and a key event in the development of nuclear safety regulations.
|
E813969
|
NE FINISHED |
How this triple was built (4 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: Windscale fire | Statement: [Sellafield, hasAccident, Windscale fire]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Windscale fire Context triple: [Sellafield, hasAccident, Windscale fire]
-
A.
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.
-
B.
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.
-
C.
Castle Bravo
Castle Bravo was the United States’ first and most powerful dry-fuel thermonuclear (hydrogen) bomb test, conducted in 1954 and infamous for its unexpectedly massive yield and severe radioactive fallout.
-
D.
bombing of Peenemünde
The bombing of Peenemünde was a major World War II Royal Air Force raid targeting Germany’s V-weapon research and development site on the Baltic coast.
-
E.
1992 Windsor Castle fire
The 1992 Windsor Castle fire was a major blaze that severely damaged parts of Windsor Castle, prompting one of the largest restoration projects in British royal history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Windscale fire Triple: [Sellafield, hasAccident, Windscale fire]
Generated description
The Windscale fire was a major 1957 nuclear reactor accident in the UK, considered one of the worst nuclear disasters in British history and a key event in the development of nuclear safety regulations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Windscale fire Target entity description: The Windscale fire was a major 1957 nuclear reactor accident in the UK, considered one of the worst nuclear disasters in British history and a key event in the development of nuclear safety regulations.
-
A.
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.
-
B.
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.
-
C.
Castle Bravo
Castle Bravo was the United States’ first and most powerful dry-fuel thermonuclear (hydrogen) bomb test, conducted in 1954 and infamous for its unexpectedly massive yield and severe radioactive fallout.
-
D.
bombing of Peenemünde
The bombing of Peenemünde was a major World War II Royal Air Force raid targeting Germany’s V-weapon research and development site on the Baltic coast.
-
E.
1992 Windsor Castle fire
The 1992 Windsor Castle fire was a major blaze that severely damaged parts of Windsor Castle, prompting one of the largest restoration projects in British royal history.
- F. None of above. chosen
Provenance (5 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_69ca848f55e48190b3f67252571c3d45 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9c6c05c481909885bfdb850e7527 |
completed | April 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d18a2d030c8190ada52e855bc9afc8 |
completed | April 4, 2026, 10:01 p.m. |
| NEDg | Description generation | batch_69d18bf051448190aaa3a7198c23fd39 |
completed | April 4, 2026, 10:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d18c8783f08190858681b51096fe56 |
completed | April 4, 2026, 10:11 p.m. |
Created at: March 30, 2026, 8:15 p.m.