Triple

T34836
Position Surface form Disambiguated ID Type / Status
Subject Mid-Atlantic Ridge E692 entity
Predicate segmentIncludes P35 FINISHED
Object Romanche Fracture Zone
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
E9699 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 Fracture Zone | Statement: [Mid-Atlantic Ridge, segmentIncludes, Romanche Fracture Zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Romanche Fracture Zone
Context triple: [Mid-Atlantic Ridge, segmentIncludes, Romanche Fracture Zone]
  • A. Charlie-Gibbs Fracture Zone
    The Charlie-Gibbs Fracture Zone is a major deep-sea transform fault system in the North Atlantic Ocean that offsets and disrupts the continuity of the Mid-Atlantic Ridge.
  • B. Mid-Atlantic Ridge
    The Mid-Atlantic Ridge is a vast underwater mountain range and divergent tectonic plate boundary running down the center of the Atlantic Ocean, where new oceanic crust is formed.
  • C. Southern Uplands Fault
    The Southern Uplands Fault is a major geological fault line in Scotland that marks the boundary between the Central Lowlands and the Southern Uplands, playing a key role in the region’s tectonic and landscape history.
  • D. Puerto Rico Trench
    The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
  • E. Aleutian Arc
    The Aleutian Arc is a major volcanic island chain and subduction zone stretching from Alaska toward Russia, forming part of the tectonically active northern boundary of the Pacific Ocean.
  • 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 Fracture Zone
Triple: [Mid-Atlantic Ridge, segmentIncludes, Romanche Fracture Zone]
Generated description
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Romanche Fracture Zone
Target entity description: The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
  • A. Charlie-Gibbs Fracture Zone
    The Charlie-Gibbs Fracture Zone is a major deep-sea transform fault system in the North Atlantic Ocean that offsets and disrupts the continuity of the Mid-Atlantic Ridge.
  • B. Mid-Atlantic Ridge
    The Mid-Atlantic Ridge is a vast underwater mountain range and divergent tectonic plate boundary running down the center of the Atlantic Ocean, where new oceanic crust is formed.
  • C. Southern Uplands Fault
    The Southern Uplands Fault is a major geological fault line in Scotland that marks the boundary between the Central Lowlands and the Southern Uplands, playing a key role in the region’s tectonic and landscape history.
  • D. Puerto Rico Trench
    The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
  • E. Aleutian Arc
    The Aleutian Arc is a major volcanic island chain and subduction zone stretching from Alaska toward Russia, forming part of the tectonically active northern boundary of the Pacific Ocean.
  • 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_69a2479dec388190967ba648663442c9 completed Feb. 28, 2026, 1:40 a.m.
NER Named-entity recognition batch_69a24aca5ed481908d1aa2ca656f25ea completed Feb. 28, 2026, 1:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69a26c15db808190b8d66206a4ed1085 completed Feb. 28, 2026, 4:16 a.m.
NEDg Description generation batch_69a26da8de008190872009f99d1aa684 completed Feb. 28, 2026, 4:23 a.m.
NED2 Entity disambiguation (via description) batch_69a26e45509c8190953e288c45924734 completed Feb. 28, 2026, 4:25 a.m.
Created at: Feb. 28, 2026, 1:44 a.m.