Triple

T8200386
Position Surface form Disambiguated ID Type / Status
Subject Havre Trough E191554 entity
Predicate partOf P40 FINISHED
Object Kermadec-Havre-Tonga subduction 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: Kermadec-Havre-Tonga subduction system | Statement: [Havre Trough, partOf, Kermadec-Havre-Tonga subduction system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kermadec-Havre-Tonga subduction system
Context triple: [Havre Trough, partOf, Kermadec-Havre-Tonga subduction system]
  • A. 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.
  • B. Sunda subduction system
    The Sunda subduction system is a major convergent plate boundary in Southeast Asia where the Indo-Australian Plate is being subducted beneath the Eurasian/Sunda Plate, generating intense seismic and volcanic activity along Indonesia’s island arcs.
  • C. Aleutian subduction system
    The Aleutian subduction system is a major tectonic plate boundary where the Pacific Plate is forced beneath the North American Plate, forming the Aleutian Trench and associated volcanic island arc in the North Pacific.
  • D. Hikurangi subduction margin
    The Hikurangi subduction margin is a major plate boundary off the east coast of New Zealand’s North Island where the Pacific Plate is being subducted beneath the Australian Plate, driving significant seismic, volcanic, and geothermal activity.
  • E. 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.
  • 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_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.
Created at: March 30, 2026, 5:43 p.m.