Triple

T7475011
Position Surface form Disambiguated ID Type / Status
Subject Laurentide Ice Sheet E176607 entity
Predicate notableProglacialLake P25142 FINISHED
Object Glacial Lake Agassiz E309211 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: Glacial Lake Agassiz | Statement: [Laurentide Ice Sheet, notableProglacialLake, Glacial Lake Agassiz]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Glacial Lake Agassiz
Context triple: [Laurentide Ice Sheet, notableProglacialLake, Glacial Lake Agassiz]
  • A. Lake Agassiz basin chosen
    The Lake Agassiz basin is the vast prehistoric drainage area in central North America that once held glacial Lake Agassiz, one of the largest proglacial lakes in Earth’s history.
  • B. Glacial Lake Columbia
    Glacial Lake Columbia was a large prehistoric proglacial lake in the Pacific Northwest that played a key role in shaping regional landscapes during the last Ice Age.
  • C. Great Bear Lake
    Great Bear Lake is the largest lake entirely within Canada and one of the world’s largest freshwater lakes, located in the remote northern region of the Northwest Territories.
  • D. White Earth Lake
    White Earth Lake is the English translation of the Dakota name "Bde Maka Ska," referring to a lake whose name means "White Earth Lake."
  • E. Allagash Lake
    Allagash Lake is a remote wilderness lake in northern Maine known for its pristine waters, canoeing, and backcountry camping within the Allagash Wilderness Waterway.
  • 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: notableProglacialLake
Context triple: [Laurentide Ice Sheet, notableProglacialLake, Glacial Lake Agassiz]
  • A. hasProglacialLake chosen
    Indicates that a glacier or ice sheet is or was associated with a lake formed directly in front of it by meltwater or ice-dammed water.
  • B. hasGlacialLake
    Indicates that one entity possesses, contains, or is associated with a lake formed by glacial activity.
  • C. notableGlacier
    Indicates that the subject is a glacier recognized for its particular significance, prominence, or noteworthiness.
  • D. maximumLake
    Indicates that the subject entity is the lake with the greatest value (such as size, volume, or another specified measure) among a given set of lakes.
  • E. mouthLake
    Indicates the location where a river or stream flows into and forms part of a lake.
  • 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_69c69f236ce08190a04d7679f03b29b2 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f41951348190a740b3957a73f825 completed March 27, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8348561448190add358da0845fbee completed March 28, 2026, 8:05 p.m.
PD Predicate disambiguation batch_69c6f03d967081908a8e696ff9693b90 completed March 27, 2026, 9:01 p.m.
Created at: March 27, 2026, 3:41 p.m.