Triple
T21949059
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eurasian Plate at the Nankai Trough |
E542011
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Shikoku Basin |
—
|
NE NERFINISHED |
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: Shikoku Basin | Statement: [Eurasian Plate at the Nankai Trough, near, Shikoku Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shikoku Basin Context triple: [Eurasian Plate at the Nankai Trough, near, Shikoku Basin]
-
A.
Shikoku Basin
chosen
Shikoku Basin is a back-arc basin in the Philippine Sea, located south of Japan and formed by seafloor spreading behind the Izu–Bonin–Mariana volcanic arc.
-
B.
Morioka Basin
The Morioka Basin is a broad inland lowland area in Iwate Prefecture, Japan, known for encompassing the city of Morioka and being surrounded by prominent mountains such as Mount Iwate.
-
C.
Oki-Daitō
Oki-Daitō is an uninhabited Japanese island in the Daitō Islands of Okinawa Prefecture, known for its remote location in the Philippine Sea and past use as a military and mining site.
-
D.
Seto Inland Sea region
The Seto Inland Sea region is a coastal area of western Japan known for its sheltered waters, numerous islands, maritime industry, and historically important naval and commercial ports.
-
E.
Chichibu Basin
Chichibu Basin is an inland lowland area in Saitama Prefecture, Japan, surrounded by mountains and known for its scenic landscapes and river valleys.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c47ef0e48190a50e1bcc43f4b3fd |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1243aed048190b4342899c83b38ec |
completed | April 28, 2026, 9:18 p.m. |
Created at: April 16, 2026, 7:58 p.m.