Triple
T9796349
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lau Basin |
E237726
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Tonga-Lau back-arc system |
E43916
|
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: Tonga-Lau back-arc system | Statement: [Lau Basin, isPartOf, Tonga-Lau back-arc system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tonga-Lau back-arc system Context triple: [Lau Basin, isPartOf, Tonga-Lau back-arc system]
-
A.
New Hebrides back-arc basin
The New Hebrides back-arc basin is a seafloor spreading region in the southwest Pacific formed behind the New Hebrides island arc as a result of subduction-related tectonic extension.
-
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.
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.
-
D.
Ryukyu back-arc basin
The Ryukyu back-arc basin is a seafloor spreading region behind the Ryukyu island arc, formed by the subduction of the Philippine Sea Plate beneath the Eurasian Plate and characterized by active tectonism and volcanism.
-
E.
Tonga Ridge
Tonga Ridge is a major submarine volcanic and tectonic feature forming part of the Tonga–Kermadec island arc in the southwest Pacific Ocean.
- 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_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. |
Created at: March 30, 2026, 8:28 p.m.