Triple

T15239582
Position Surface form Disambiguated ID Type / Status
Subject Maastricht Formation E364218 entity
Predicate partOf P40 FINISHED
Object North Sea Basin succession E187039 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: North Sea Basin succession | Statement: [Maastricht Formation, partOf, North Sea Basin succession]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Sea Basin succession
Context triple: [Maastricht Formation, partOf, North Sea Basin succession]
  • A. Caledonian foreland basins
    Caledonian foreland basins are a group of sedimentary basins that developed in front of the Caledonian orogenic belt during Paleozoic mountain-building in what is now parts of northern Europe, including areas such as the Orcadian Basin.
  • B. North Sea rift system chosen
    The North Sea rift system is a major geological rift complex underlying the North Sea, formed by extensive Mesozoic and Cenozoic crustal extension that created numerous sedimentary basins important for hydrocarbon resources.
  • C. Paleozoic succession of the Amadeus Basin
    The Paleozoic succession of the Amadeus Basin is a thick, long-lived sedimentary sequence in central Australia that records marine and terrestrial environments from the early Paleozoic through to the late Paleozoic within an intracratonic basin setting.
  • D. UK Continental Shelf petroleum province
    The UK Continental Shelf petroleum province is an offshore region surrounding the United Kingdom that contains significant oil and gas reserves and has been a major focus of the country’s hydrocarbon exploration and production activities.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d85a0dde7481908fc64d1e82d5d20d elicitation completed
NER batch_69e007db9a148190aadea8d5f8b6b261 ner completed
NED1 batch_69fedd3f9d308190af5374f0362c62f5 ned_source_triple completed
Created at: April 10, 2026, 3:12 a.m.