Triple
T9796338
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lau Basin |
E237726
|
entity |
| Predicate | formedBehind |
P972
|
FINISHED |
| Object | Tonga-Kermadec subduction zone |
E43916
|
NE FINISHED |
How this triple was built (3 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: Tonga-Kermadec subduction zone | Statement: [Lau Basin, formedBehind, Tonga-Kermadec subduction zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tonga-Kermadec subduction zone Context triple: [Lau Basin, formedBehind, Tonga-Kermadec subduction zone]
-
A.
Mariana subduction zone
The Mariana subduction zone is a deep oceanic trench system in the western Pacific where the Pacific Plate is forced beneath the smaller Mariana Plate, creating one of the world's deepest and most active tectonic boundaries.
-
B.
Tonga-Kermadec subduction system
chosen
The Tonga-Kermadec subduction system is a major convergent plate boundary in the southwest Pacific where the Pacific Plate descends beneath the Indo-Australian Plate, producing one of the world’s deepest ocean trenches and most active seismic and volcanic regions.
-
C.
Ryukyu subduction zone
The Ryukyu subduction zone is a tectonic plate boundary south of Japan where an oceanic plate descends beneath the Okinawa Plate, generating frequent earthquakes, volcanism, and the Ryukyu island arc.
-
D.
Tonga–Kermadec Arc
The Tonga–Kermadec Arc is a major submarine volcanic island arc and trench system in the southwest Pacific Ocean, formed by the subduction of the Pacific Plate beneath the Indo-Australian Plate and known for its intense seismic and volcanic activity.
-
E.
Hikurangi Trench
The Hikurangi Trench is a deep ocean trench off the east coast of New Zealand’s North Island, formed by the subduction of the Pacific Plate beneath the Australian Plate and known for its rich marine life and seismic activity.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formedBehind Context triple: [Lau Basin, formedBehind, Tonga-Kermadec subduction zone]
-
A.
formedWithin
Indicates that one entity was created, established, or came into existence inside the spatial or structural bounds of another entity.
-
B.
formedTo
Indicates that one entity was created, established, or organized for the purpose of serving, supporting, or enabling another entity or activity.
-
C.
formedInState
Indicates that an entity was created, established, or officially organized within a particular state or subnational jurisdiction.
-
D.
formed
Indicates that one entity came into existence, shape, or organization as a result of the actions or processes involving another entity.
-
E.
formedBy
chosen
Indicates that something comes into existence or is created as a result of a specific agent, process, or combination of components.
- F. None of above.
Provenance (4 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_69ca84dc04488190b9c91193976c0960 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cda34a53548190a8cb524381fe2bf9 |
completed | April 1, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc5118a481908a65d730f86c7723 |
completed | April 5, 2026, 2:43 a.m. |
| PD | Predicate disambiguation | batch_69cd03da45a88190b71b1be3354c15a6 |
completed | April 1, 2026, 11:39 a.m. |
Created at: March 30, 2026, 8:28 p.m.