Triple
T8473164
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Hebrides Trench |
E200325
|
entity |
| Predicate | isAdjacentTo |
P5707
|
FINISHED |
| Object |
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.
|
E736668
|
NE FINISHED |
How this triple was built (4 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: New Hebrides back-arc basin | Statement: [New Hebrides Trench, isAdjacentTo, New Hebrides back-arc basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Hebrides back-arc basin Context triple: [New Hebrides Trench, isAdjacentTo, New Hebrides back-arc basin]
-
A.
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.
-
B.
back-arc Lau Basin
The back-arc Lau Basin is an actively spreading oceanic basin in the southwest Pacific formed behind the Tonga-Kermadec subduction zone, notable for its intense volcanism and hydrothermal activity.
-
C.
New Hebrides volcanic arc
The New Hebrides volcanic arc is a chain of active and dormant volcanoes in the South Pacific formed by the subduction of the Australian Plate beneath the Pacific Plate, running through Vanuatu and surrounding islands.
-
D.
Cascadia back-arc region
The Cascadia back-arc region is a tectonically active area east of the Cascadia subduction zone characterized by crustal extension, volcanism, and associated magmatic and geothermal activity.
-
E.
North Fiji Basin
The North Fiji Basin is a back-arc spreading basin in the southwest Pacific Ocean, characterized by complex tectonic activity and seafloor spreading north of Fiji.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: New Hebrides back-arc basin Triple: [New Hebrides Trench, isAdjacentTo, New Hebrides back-arc basin]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New Hebrides back-arc basin Target entity description: 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.
-
A.
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.
-
B.
back-arc Lau Basin
The back-arc Lau Basin is an actively spreading oceanic basin in the southwest Pacific formed behind the Tonga-Kermadec subduction zone, notable for its intense volcanism and hydrothermal activity.
-
C.
New Hebrides volcanic arc
The New Hebrides volcanic arc is a chain of active and dormant volcanoes in the South Pacific formed by the subduction of the Australian Plate beneath the Pacific Plate, running through Vanuatu and surrounding islands.
-
D.
Cascadia back-arc region
The Cascadia back-arc region is a tectonically active area east of the Cascadia subduction zone characterized by crustal extension, volcanism, and associated magmatic and geothermal activity.
-
E.
North Fiji Basin
The North Fiji Basin is a back-arc spreading basin in the southwest Pacific Ocean, characterized by complex tectonic activity and seafloor spreading north of Fiji.
- F. None of above. chosen
Provenance (5 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_69ca831a4f348190bfdd09250e86ae35 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe4f4fbf481909e4fd7c078b27477 |
completed | March 31, 2026, 3:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce39fc9bf481908e37919b13465d18 |
completed | April 2, 2026, 9:42 a.m. |
| NEDg | Description generation | batch_69ce3b1e188c8190ad894478141f6501 |
completed | April 2, 2026, 9:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce3bfd00948190b3956be3f8c5d547 |
completed | April 2, 2026, 9:50 a.m. |
Created at: March 30, 2026, 6:11 p.m.