Triple

T7581462
Position Surface form Disambiguated ID Type / Status
Subject Last Glacial Maximum E179498 entity
Predicate hasMajorIceSheet P28447 FINISHED
Object Laurentide Ice Sheet E176607 NE FINISHED

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: Laurentide Ice Sheet | Statement: [Last Glacial Maximum, hasMajorIceSheet, Laurentide Ice Sheet]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Laurentide Ice Sheet
Context triple: [Last Glacial Maximum, hasMajorIceSheet, Laurentide Ice Sheet]
  • A. Laurentide Ice Sheet in North America chosen
    The Laurentide Ice Sheet in North America was a massive continental glacier that covered much of Canada and parts of the northern United States during the last Ice Age, profoundly shaping the region’s landscapes and climate.
  • B. Fennoscandian Ice Sheet
    The Fennoscandian Ice Sheet was a massive Pleistocene ice sheet that repeatedly covered much of northern Europe, including Scandinavia, Finland, and parts of northern Germany and western Russia.
  • C. Cordilleran Ice Sheet
    The Cordilleran Ice Sheet was a massive Pleistocene ice sheet that covered much of western North America, including present-day British Columbia, Yukon, and parts of the northwestern United States.
  • D. British–Irish Ice Sheet
    The British–Irish Ice Sheet was a massive glacial ice sheet that covered most of Great Britain and Ireland during the last Ice Age, shaping much of the region’s present-day landscape.
  • E. Nansen Ice Sheet
    The Nansen Ice Sheet is a coastal ice shelf in Antarctica bordering the western Ross Sea, known for its role in regional glaciology and climate studies.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasMajorIceSheet
Context triple: [Last Glacial Maximum, hasMajorIceSheet, Laurentide Ice Sheet]
  • A. hasIceSheet chosen
    Indicates that one entity possesses, is covered by, or contains an ice sheet.
  • B. hasIceSheetType
    Indicates that an entity is associated with or characterized by a specific type or classification of ice sheet.
  • C. hasGlacier
    Indicates that one entity possesses, contains, or is characterized by the presence of a glacier.
  • D. hasWaterIce
    Indicates that one entity contains, possesses, or is characterized by the presence of water in solid (ice) form.
  • E. isLargestGlacierOn
    Indicates that one glacier is the largest glacier located on a specified geographic entity (such as an island, continent, or region).
  • F. None of above.

Provenance (4 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_69c6f97717048190b0ca1a74ed8a817e completed March 27, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8617b8934819094f596e6a037e468 completed March 28, 2026, 11:17 p.m.
PD Predicate disambiguation batch_69c6f4e04c2c8190a889d928515d9b8e completed March 27, 2026, 9:21 p.m.
Created at: March 27, 2026, 3:52 p.m.