Triple
T15764314
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1707 Hoei earthquake |
E382179
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Nankai megathrust earthquake sequence |
E542012
|
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: Nankai megathrust earthquake sequence | Statement: [1707 Hoei earthquake, partOf, Nankai megathrust earthquake sequence]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai megathrust earthquake sequence Context triple: [1707 Hoei earthquake, partOf, Nankai megathrust earthquake sequence]
-
A.
Nankai megathrust
chosen
The Nankai megathrust is a major subduction-zone fault off southwestern Japan that has produced numerous powerful earthquakes and tsunamis and poses a significant seismic hazard to the region.
-
B.
Eurasian Plate at the Nankai Trough
The Eurasian Plate at the Nankai Trough is a major tectonic plate margin off southwestern Japan where intense subduction-driven seismic and volcanic activity occurs.
-
C.
New Britain Trench subduction system
The New Britain Trench subduction system is a major convergent plate boundary in the southwestern Pacific where an oceanic plate descends beneath another, driving intense seismic and volcanic activity in the New Britain region of Papua New Guinea.
-
D.
Philippine subduction system
The Philippine subduction system is a complex convergent plate boundary zone around the Philippine Sea Plate, characterized by multiple trenches, active subduction, frequent earthquakes, and volcanism.
-
E.
Aleutian subduction system
The Aleutian subduction system is a major tectonic plate boundary where the Pacific Plate is forced beneath the North American Plate, forming the Aleutian Trench and associated volcanic island arc in the North Pacific.
- 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_69d86da09a10819082fe9797b23e4664 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e050b6c9fc8190a1bcf763c4b04b12 |
completed | April 16, 2026, 3 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff87789914819097b56482cb8984c7 |
completed | May 9, 2026, 7:14 p.m. |
Created at: April 10, 2026, 4:47 a.m.