Triple

T21112580
Position Surface form Disambiguated ID Type / Status
Subject Saalian glaciation E520209 entity
Predicate isSubdividedInto P747 FINISHED
Object Drenthe substage — NE NERFINISHED

How this triple was built (3 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: Drenthe substage | Statement: [Saalian glaciation, isSubdividedInto, Drenthe substage]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Drenthe substage
Context triple: [Saalian glaciation, isSubdividedInto, Drenthe substage]
  • A. Groningen clay area
    The Groningen clay area is a fertile coastal region in the Dutch province of Groningen, characterized by heavy marine clay soils, open arable farmland, and historic dike and polder landscapes.
  • B. Bokkeveld Group
    The Bokkeveld Group is a geological rock sequence in South Africa known for its fossil-rich Devonian sedimentary deposits within the Cape Supergroup.
  • C. Maastricht Formation in the Netherlands
    The Maastricht Formation in the Netherlands is a Late Cretaceous marine sedimentary rock unit, famous for its rich fossil content and as the namesake of the Maastrichtian stage.
  • D. Nijmegen moraine
    The Nijmegen moraine is a prominent glacial ridge landscape in the eastern Netherlands, formed during the Saalian ice age and known for its rolling hills and scenic natural areas.
  • E. Lower Guelders
    Lower Guelders was a historical region in the Low Countries that formed the eastern, downstream part of the Duchy of Guelders along the lower Rhine and Maas rivers.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Drenthe substage
Target entity description: The Drenthe substage is a major middle phase of the Saalian glaciation in northern Europe, marked by extensive ice advance and widespread glacial deposits.
  • A. Groningen clay area
    The Groningen clay area is a fertile coastal region in the Dutch province of Groningen, characterized by heavy marine clay soils, open arable farmland, and historic dike and polder landscapes.
  • B. Bokkeveld Group
    The Bokkeveld Group is a geological rock sequence in South Africa known for its fossil-rich Devonian sedimentary deposits within the Cape Supergroup.
  • C. Maastricht Formation in the Netherlands
    The Maastricht Formation in the Netherlands is a Late Cretaceous marine sedimentary rock unit, famous for its rich fossil content and as the namesake of the Maastrichtian stage.
  • D. Nijmegen moraine chosen
    The Nijmegen moraine is a prominent glacial ridge landscape in the eastern Netherlands, formed during the Saalian ice age and known for its rolling hills and scenic natural areas.
  • E. Lower Guelders
    Lower Guelders was a historical region in the Low Countries that formed the eastern, downstream part of the Duchy of Guelders along the lower Rhine and Maas rivers.
  • F. None of above.

Provenance (2 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_69e0b509a318819092fbbcb21d1fe603 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e72103b3888190a19e9a40f01fb439 completed April 21, 2026, 7:02 a.m.
Created at: April 16, 2026, 2:54 p.m.