Triple

T430448
Position Surface form Disambiguated ID Type / Status
Subject Romanche Fracture Zone E9699 entity
Predicate hasPart P35 FINISHED
Object Romanche Trench
The Romanche Trench is a deep submarine trench in the equatorial Atlantic Ocean formed by the Romanche Fracture Zone, marking one of the major offsets of the Mid-Atlantic Ridge.
E55303 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: Romanche Trench | Statement: [Romanche Fracture Zone, hasPart, Romanche Trench]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Romanche Trench
Context triple: [Romanche Fracture Zone, hasPart, Romanche Trench]
  • A. Hellenic Trench
    The Hellenic Trench is a deep submarine trench in the eastern Mediterranean, formed by the subduction of the African Plate beneath the Aegean microplate and known for hosting some of the region’s greatest ocean depths and seismic activity.
  • B. Kermadec Trench
    The Kermadec Trench is a deep oceanic trench in the South Pacific Ocean, part of the highly active Kermadec-Tonga subduction zone and among the deepest regions on Earth.
  • C. Ryukyu Trench
    The Ryukyu Trench is a deep oceanic trench in the western Pacific, running along the Ryukyu Islands south of Japan where the Philippine Sea Plate subducts beneath the Eurasian Plate.
  • D. Atacama Trench
    The Atacama Trench is a deep oceanic trench in the southeastern Pacific Ocean off the coasts of Peru and Chile, formed by the subduction of the Nazca Plate beneath the South American Plate.
  • E. South Sandwich Trench
    The South Sandwich Trench is a deep oceanic trench near the South Sandwich Islands, known as one of the deepest points in the Southern Ocean and a significant site for studying subduction and extreme marine environments.
  • 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: Romanche Trench
Triple: [Romanche Fracture Zone, hasPart, Romanche Trench]
Generated description
The Romanche Trench is a deep submarine trench in the equatorial Atlantic Ocean formed by the Romanche Fracture Zone, marking one of the major offsets of the Mid-Atlantic Ridge.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Romanche Trench
Target entity description: The Romanche Trench is a deep submarine trench in the equatorial Atlantic Ocean formed by the Romanche Fracture Zone, marking one of the major offsets of the Mid-Atlantic Ridge.
  • A. Hellenic Trench
    The Hellenic Trench is a deep submarine trench in the eastern Mediterranean, formed by the subduction of the African Plate beneath the Aegean microplate and known for hosting some of the region’s greatest ocean depths and seismic activity.
  • B. Kermadec Trench
    The Kermadec Trench is a deep oceanic trench in the South Pacific Ocean, part of the highly active Kermadec-Tonga subduction zone and among the deepest regions on Earth.
  • C. Ryukyu Trench
    The Ryukyu Trench is a deep oceanic trench in the western Pacific, running along the Ryukyu Islands south of Japan where the Philippine Sea Plate subducts beneath the Eurasian Plate.
  • D. Atacama Trench
    The Atacama Trench is a deep oceanic trench in the southeastern Pacific Ocean off the coasts of Peru and Chile, formed by the subduction of the Nazca Plate beneath the South American Plate.
  • E. South Sandwich Trench
    The South Sandwich Trench is a deep oceanic trench near the South Sandwich Islands, known as one of the deepest points in the Southern Ocean and a significant site for studying subduction and extreme marine environments.
  • 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_69a2e801e1d48190b505d1dd336b52ac completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2eeef065c81908ed30528a61da132 completed Feb. 28, 2026, 1:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4366960dc81908708bd168aa3a278 completed March 1, 2026, 12:51 p.m.
NEDg Description generation batch_69a436c6f1a0819086f8d8f12bc82e87 completed March 1, 2026, 12:53 p.m.
NED2 Entity disambiguation (via description) batch_69a4379eee248190a417b81afbb403ae completed March 1, 2026, 12:57 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.