Triple

T802303
Position Surface form Disambiguated ID Type / Status
Subject Mount Akagi E17154 entity
Predicate volcanicArc P2408 FINISHED
Object Northeastern Japan Arc
The Northeastern Japan Arc is a major volcanic arc in northern Honshu formed by subduction along the Japan Trench, characterized by numerous active and dormant volcanoes including Mount Akagi.
E95499 NE FINISHED

How this triple was built (5 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: Northeastern Japan Arc | Statement: [Mount Akagi, volcanicArc, Northeastern Japan Arc]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northeastern Japan Arc
Context triple: [Mount Akagi, volcanicArc, Northeastern Japan Arc]
  • A. Izu–Bonin Arc
    The Izu–Bonin Arc is a volcanic island arc in the western Pacific Ocean formed by subduction along the boundary of the Philippine Sea Plate, stretching south from Japan’s Izu Peninsula toward the Mariana Islands.
  • B. 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.
  • C. Kyushu–Palau Ridge system
    The Kyushu–Palau Ridge system is a major underwater volcanic island arc and tectonic ridge in the Philippine Sea, formed by subduction-related processes along the western Pacific margin.
  • D. Japan Trench
    The Japan Trench is a deep oceanic trench off northeastern Japan where the Pacific Plate subducts beneath the Okhotsk Plate, forming part of the Pacific Ring of Fire and generating powerful earthquakes and tsunamis.
  • E. Nankai Trough
    The Nankai Trough is a major submarine trench off the coast of southwestern Japan, known as a highly active subduction zone capable of generating powerful megathrust earthquakes and tsunamis.
  • 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: Northeastern Japan Arc
Triple: [Mount Akagi, volcanicArc, Northeastern Japan Arc]
Generated description
The Northeastern Japan Arc is a major volcanic arc in northern Honshu formed by subduction along the Japan Trench, characterized by numerous active and dormant volcanoes including Mount Akagi.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northeastern Japan Arc
Target entity description: The Northeastern Japan Arc is a major volcanic arc in northern Honshu formed by subduction along the Japan Trench, characterized by numerous active and dormant volcanoes including Mount Akagi.
  • A. Izu–Bonin Arc
    The Izu–Bonin Arc is a volcanic island arc in the western Pacific Ocean formed by subduction along the boundary of the Philippine Sea Plate, stretching south from Japan’s Izu Peninsula toward the Mariana Islands.
  • B. 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.
  • C. Kyushu–Palau Ridge system
    The Kyushu–Palau Ridge system is a major underwater volcanic island arc and tectonic ridge in the Philippine Sea, formed by subduction-related processes along the western Pacific margin.
  • D. Japan Trench
    The Japan Trench is a deep oceanic trench off northeastern Japan where the Pacific Plate subducts beneath the Okhotsk Plate, forming part of the Pacific Ring of Fire and generating powerful earthquakes and tsunamis.
  • E. Nankai Trough
    The Nankai Trough is a major submarine trench off the coast of southwestern Japan, known as a highly active subduction zone capable of generating powerful megathrust earthquakes and tsunamis.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: volcanicArc
Context triple: [Mount Akagi, volcanicArc, Northeastern Japan Arc]
  • A. volcanicArcOrBelt chosen
    Indicates that one entity is a volcanic arc or belt associated with, or related to, another entity (such as a tectonic setting, region, or geological feature).
  • B. containsVolcanicRegion
    Indicates that one entity geographically includes or encompasses an area characterized by volcanic features or activity.
  • C. associatedVolcano
    Indicates that there is a specific volcano linked or connected to the referenced entity, such as by location, impact, or relevance.
  • D. volcanicOrigin
    Indicates that something originates from, is produced by, or is directly associated with volcanic activity or processes.
  • E. typeOfVolcanicFeature
    Indicates that one entity is classified as a specific kind or category of volcanic feature represented by the other entity.
  • F. None of above.

Provenance (6 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_69a49378b9c48190adbf5f62e5b7aca1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ace495348190aec66f35ea90bc89 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a68924e1048190ba60034c8b8b3b9e completed March 3, 2026, 7:09 a.m.
NEDg Description generation batch_69a68a0f581c8190bdb2a9bda9bce1fa completed March 3, 2026, 7:13 a.m.
NED2 Entity disambiguation (via description) batch_69a6d6042aac8190ba0b092c4b3df66e completed March 3, 2026, 12:37 p.m.
PD Predicate disambiguation batch_69a4aa70973c8190adbf08302d1103a9 completed March 1, 2026, 9:06 p.m.
Created at: March 1, 2026, 7:38 p.m.