Triple
T9709449
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukushima Daiichi Unit 4 |
E234984
|
entity |
| Predicate | reactorType |
P3675
|
FINISHED |
| Object | BWR-4 |
E397896
|
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: BWR-4 | Statement: [Fukushima Daiichi Unit 4, reactorType, BWR-4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BWR-4 Context triple: [Fukushima Daiichi Unit 4, reactorType, BWR-4]
-
A.
BWR-4
chosen
BWR-4 is a General Electric-designed boiling water reactor model widely used in commercial nuclear power plants built during the late 1960s and 1970s.
-
B.
BWR-3
BWR-3 is a third-generation boiling water reactor design developed by General Electric and used in several nuclear power plants worldwide, including Fukushima Daiichi Unit 3.
-
C.
K15 pressurized water reactor
The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
-
D.
VVER-1000
VVER-1000 is a Russian-designed pressurized water nuclear reactor model widely used for commercial electricity generation.
-
E.
K-East Reactor
K-East Reactor was one of the plutonium production reactors at the Hanford Site in Washington State, built during the Cold War to support the U.S. nuclear weapons program.
- 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_69ca84cd8fa0819090a5e243ceb37003 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9da7c6188190b086f7e411378268 |
completed | April 1, 2026, 10:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d19f8476e08190865700679069dee6 |
completed | April 4, 2026, 11:32 p.m. |
Created at: March 30, 2026, 8:19 p.m.