Triple
T8200356
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lau Basin |
E191553
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Central Lau Spreading Center
The Central Lau Spreading Center is a major seafloor spreading ridge in the southwestern Pacific where tectonic plates diverge and new oceanic crust forms within the Lau Basin back-arc region.
|
E718598
|
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: Central Lau Spreading Center | Statement: [Lau Basin, contains, Central Lau Spreading Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Lau Spreading Center Context triple: [Lau Basin, contains, Central Lau Spreading Center]
-
A.
Galápagos Spreading Center
The Galápagos Spreading Center is a mid-ocean ridge segment in the eastern Pacific where tectonic plates diverge and new oceanic crust forms near the Galápagos Islands.
-
B.
Eurasian spreading center
The Eurasian spreading center is a tectonic plate boundary in the Arctic Ocean where the Eurasian and North American plates diverge, creating new oceanic crust along mid-ocean ridges such as the Nansen-Gakkel Ridge.
-
C.
Owen Fracture Zone
The Owen Fracture Zone is a major transform fault system in the northwest Indian Ocean that marks part of the tectonic boundary between the Arabian and Indian plates.
-
D.
Cocos–Nazca spreading center
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
-
E.
NW Rota-1
NW Rota-1 is an active submarine volcano in the Mariana arc notable for its frequent explosive eruptions and continuous hydrothermal activity on the seafloor.
- 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: Central Lau Spreading Center Triple: [Lau Basin, contains, Central Lau Spreading Center]
Generated description
The Central Lau Spreading Center is a major seafloor spreading ridge in the southwestern Pacific where tectonic plates diverge and new oceanic crust forms within the Lau Basin back-arc region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Central Lau Spreading Center Target entity description: The Central Lau Spreading Center is a major seafloor spreading ridge in the southwestern Pacific where tectonic plates diverge and new oceanic crust forms within the Lau Basin back-arc region.
-
A.
Galápagos Spreading Center
The Galápagos Spreading Center is a mid-ocean ridge segment in the eastern Pacific where tectonic plates diverge and new oceanic crust forms near the Galápagos Islands.
-
B.
Eurasian spreading center
The Eurasian spreading center is a tectonic plate boundary in the Arctic Ocean where the Eurasian and North American plates diverge, creating new oceanic crust along mid-ocean ridges such as the Nansen-Gakkel Ridge.
-
C.
Owen Fracture Zone
The Owen Fracture Zone is a major transform fault system in the northwest Indian Ocean that marks part of the tectonic boundary between the Arabian and Indian plates.
-
D.
Cocos–Nazca spreading center
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
-
E.
NW Rota-1
NW Rota-1 is an active submarine volcano in the Mariana arc notable for its frequent explosive eruptions and continuous hydrothermal activity on the seafloor.
- 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_69ca82c6e9548190a4c5ca14516e4417 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb5df565dc819099537fc06b694b40 |
completed | March 31, 2026, 5:39 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ccedbc9840819089255e93d8119350 |
completed | April 1, 2026, 10:04 a.m. |
| NEDg | Description generation | batch_69ccf1b818588190936f96d53bf08c2b |
completed | April 1, 2026, 10:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd05ac594c819087d23a7318fd7704 |
completed | April 1, 2026, 11:46 a.m. |
Created at: March 30, 2026, 5:43 p.m.