Triple

T4145623
Position Surface form Disambiguated ID Type / Status
Subject Late Devonian extinction E89373 entity
Predicate hasStratigraphicMarker P40295 FINISHED
Object Hangenberg black shales
The Hangenberg black shales are organic-rich Late Devonian sedimentary deposits that record the environmental and oceanographic upheavals associated with the Hangenberg extinction event.
E415308 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: Hangenberg black shales | Statement: [Late Devonian extinction, hasStratigraphicMarker, Hangenberg black shales]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hangenberg black shales
Context triple: [Late Devonian extinction, hasStratigraphicMarker, Hangenberg black shales]
  • A. Solnhofen Limestone
    Solnhofen Limestone is a famous Late Jurassic lithographic limestone formation in Bavaria, Germany, renowned for its exceptionally well-preserved fossils, including the iconic Archaeopteryx.
  • B. Burgess Shale fossil lagerstätte
    The Burgess Shale fossil lagerstätte is a renowned Middle Cambrian rock formation in the Canadian Rockies famous for its exceptionally well-preserved soft-bodied fossils that reveal the diversity of early animal life.
  • C. Rhynie Chert fossil locality
    The Rhynie Chert fossil locality is a famous Early Devonian site in Scotland renowned for its exceptionally preserved early land plants, arthropods, and microorganisms that provide key insights into the evolution of terrestrial ecosystems.
  • D. Hettange-Grande Formation
    The Hettange-Grande Formation is an Early Jurassic (Hettangian) sedimentary rock unit in northeastern France that serves as the global stratotype (type section) for the base of the Jurassic System.
  • E. Claron Formation
    The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
  • 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: Hangenberg black shales
Triple: [Late Devonian extinction, hasStratigraphicMarker, Hangenberg black shales]
Generated description
The Hangenberg black shales are organic-rich Late Devonian sedimentary deposits that record the environmental and oceanographic upheavals associated with the Hangenberg extinction event.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hangenberg black shales
Target entity description: The Hangenberg black shales are organic-rich Late Devonian sedimentary deposits that record the environmental and oceanographic upheavals associated with the Hangenberg extinction event.
  • A. Solnhofen Limestone
    Solnhofen Limestone is a famous Late Jurassic lithographic limestone formation in Bavaria, Germany, renowned for its exceptionally well-preserved fossils, including the iconic Archaeopteryx.
  • B. Burgess Shale fossil lagerstätte
    The Burgess Shale fossil lagerstätte is a renowned Middle Cambrian rock formation in the Canadian Rockies famous for its exceptionally well-preserved soft-bodied fossils that reveal the diversity of early animal life.
  • C. Rhynie Chert fossil locality
    The Rhynie Chert fossil locality is a famous Early Devonian site in Scotland renowned for its exceptionally preserved early land plants, arthropods, and microorganisms that provide key insights into the evolution of terrestrial ecosystems.
  • D. Hettange-Grande Formation
    The Hettange-Grande Formation is an Early Jurassic (Hettangian) sedimentary rock unit in northeastern France that serves as the global stratotype (type section) for the base of the Jurassic System.
  • E. Claron Formation
    The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
  • 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_69aed95785788190ae75bcf0cd1cafdf completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0b2c76fc8190b3cd9facfcd6e427 completed March 9, 2026, 6:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576d2f1788190847d38a384abbe67 completed March 14, 2026, 2:55 p.m.
NEDg Description generation batch_69b577ef7ed08190aca5f99d6abf1271 completed March 14, 2026, 2:59 p.m.
NED2 Entity disambiguation (via description) batch_69b578538e908190a2c7d9d80ec5ec99 completed March 14, 2026, 3:01 p.m.
Created at: March 9, 2026, 3:43 p.m.