Triple
T16299940
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Suruga Bay |
E395756
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Nankai Trough region |
E77321
|
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 Trough region | Statement: [Suruga Bay, near, Nankai Trough region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai Trough region Context triple: [Suruga Bay, near, Nankai Trough region]
-
A.
Nankai Trough
chosen
The Nankai Trough is a major submarine trench off the coast of southwestern Japan, known as a highly active subduction zone capable of generating powerful megathrust earthquakes and tsunamis.
-
B.
Sagami Trough
Sagami Trough is a deep submarine trench off central Japan that marks a major tectonic plate boundary and is associated with significant seismic and tsunami activity.
-
C.
Okinawa Trough
The Okinawa Trough is a back-arc basin in the East China Sea, located between the Ryukyu Islands and mainland Asia, known for its active tectonics and hydrothermal activity.
-
D.
Kuroshio–Oyashio confluence region
The Kuroshio–Oyashio confluence region is a highly productive and dynamic area of the western North Pacific where warm subtropical waters from the Kuroshio meet and mix with cold subarctic waters from the Oyashio, strongly influencing climate, weather, and marine ecosystems.
-
E.
Okhotsk Plate
The Okhotsk Plate is a minor tectonic plate in the northwest Pacific region, underlying parts of northeastern Asia including the Sea of Okhotsk and adjacent areas of Japan and Russia.
- 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_69d87f23bb088190a16fbb91a1957ea5 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e25e31c9e8819094593f3aeb44f2ca |
completed | April 17, 2026, 4:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a001f9d7ef48190b7acebebcb9608c3 |
completed | May 10, 2026, 6:03 a.m. |
Created at: April 10, 2026, 5:06 a.m.