Triple
T9446817
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukushima Daiichi Unit 2 |
E227784
|
entity |
| Predicate | causeOfAccident |
P694
|
FINISHED |
| Object | Tōhoku earthquake and tsunami |
E86077
|
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: Tōhoku earthquake and tsunami | Statement: [Fukushima Daiichi Unit 2, causeOfAccident, Tōhoku earthquake and tsunami]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tōhoku earthquake and tsunami Context triple: [Fukushima Daiichi Unit 2, causeOfAccident, Tōhoku earthquake and tsunami]
-
A.
2011 Tōhoku earthquake and tsunami
chosen
The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
-
B.
Great Kanto earthquake
The Great Kanto earthquake was a devastating 1923 seismic disaster that struck the Tokyo-Yokohama region of Japan, causing massive destruction and loss of life.
-
C.
Great Hanshin earthquake
The Great Hanshin earthquake was a devastating 1995 seismic disaster in Japan that caused widespread destruction and loss of life, particularly in the city of Kobe.
-
D.
1944 Tonankai earthquake
The 1944 Tonankai earthquake was a powerful undersea megathrust earthquake off the coast of Japan that generated a destructive tsunami and caused extensive damage and loss of life in the Tōkai and Kii Peninsula regions during World War II.
-
E.
2016 Kumamoto earthquakes
The 2016 Kumamoto earthquakes were a destructive series of strong quakes in Japan’s Kyushu region that caused widespread damage, landslides, and significant loss of life.
- 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_69ca8439f8bc8190997f2ef40c9f0bc2 |
completed | March 30, 2026, 2:10 p.m. |
| NER | Named-entity recognition | batch_69cd7f35394c8190aa77528dabd6139c |
completed | April 1, 2026, 8:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1106aeb708190bbbe1d05b7472194 |
completed | April 4, 2026, 1:21 p.m. |
Created at: March 30, 2026, 7:51 p.m.