Triple

T7581735
Position Surface form Disambiguated ID Type / Status
Subject Gauss–Matuyama geomagnetic reversal E179503 entity
Predicate hasFollowingEvent P47020 FINISHED
Object Matuyama reversed chron
The Matuyama reversed chron is a long interval of predominantly reversed geomagnetic polarity that followed the Gauss–Matuyama reversal and lasted from about 2.58 to 0.78 million years ago.
E675179 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: Matuyama reversed chron | Statement: [Gauss–Matuyama geomagnetic reversal, hasFollowingEvent, Matuyama reversed chron]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Matuyama reversed chron
Context triple: [Gauss–Matuyama geomagnetic reversal, hasFollowingEvent, Matuyama reversed chron]
  • A. Shinkiari
    Shinkiari is a town in Pakistan’s Khyber Pakhtunkhwa province, known for its agricultural surroundings and its location along the Karakoram Highway near Mansehra.
  • B. Miyawaka
    Miyawaka is a city in Japan known for its location in northern Kyushu and its blend of industrial facilities and residential communities.
  • C. Takami-Musubi
    Takami-Musubi is a primordial Shinto creator deity revered as one of the high heavenly gods who helped shape the cosmos in Japanese mythology.
  • D. Madadayo
    Madadayo is a 1993 Japanese drama film directed by Akira Kurosawa that poignantly portrays the later years of a beloved professor and his enduring bond with former students.
  • E. Noboribetsu
    Noboribetsu is a hot spring resort city in Hokkaido, Japan, famed for its dramatic volcanic landscapes and numerous onsen.
  • 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: Matuyama reversed chron
Triple: [Gauss–Matuyama geomagnetic reversal, hasFollowingEvent, Matuyama reversed chron]
Generated description
The Matuyama reversed chron is a long interval of predominantly reversed geomagnetic polarity that followed the Gauss–Matuyama reversal and lasted from about 2.58 to 0.78 million years ago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Matuyama reversed chron
Target entity description: The Matuyama reversed chron is a long interval of predominantly reversed geomagnetic polarity that followed the Gauss–Matuyama reversal and lasted from about 2.58 to 0.78 million years ago.
  • A. Shinkiari
    Shinkiari is a town in Pakistan’s Khyber Pakhtunkhwa province, known for its agricultural surroundings and its location along the Karakoram Highway near Mansehra.
  • B. Miyawaka
    Miyawaka is a city in Japan known for its location in northern Kyushu and its blend of industrial facilities and residential communities.
  • C. Takami-Musubi
    Takami-Musubi is a primordial Shinto creator deity revered as one of the high heavenly gods who helped shape the cosmos in Japanese mythology.
  • D. Madadayo
    Madadayo is a 1993 Japanese drama film directed by Akira Kurosawa that poignantly portrays the later years of a beloved professor and his enduring bond with former students.
  • E. Noboribetsu
    Noboribetsu is a hot spring resort city in Hokkaido, Japan, famed for its dramatic volcanic landscapes and numerous onsen.
  • 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_69c69f327db881909a21ae3b156f8ded completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f978341081909e009c410ffc5039 completed March 27, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8617b8934819094f596e6a037e468 completed March 28, 2026, 11:17 p.m.
NEDg Description generation batch_69c862677e008190928ac5b4a47906fc completed March 28, 2026, 11:21 p.m.
NED2 Entity disambiguation (via description) batch_69c8630fe8608190afc7b67d9a80240b completed March 28, 2026, 11:24 p.m.
Created at: March 27, 2026, 3:52 p.m.