Triple

T2909638
Position Surface form Disambiguated ID Type / Status
Subject Wisconsin glaciation E63649 entity
Predicate createdFeature P42853 FINISHED
Object Lake Agassiz basin
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.
E309211 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: Lake Agassiz basin | Statement: [Wisconsin glaciation, createdFeature, Lake Agassiz basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lake Agassiz basin
Context triple: [Wisconsin glaciation, createdFeature, Lake Agassiz basin]
  • A. Canada Basin
    The Canada Basin is a deep, remote submarine basin in the Arctic Ocean, located north of Alaska and Canada, known for its extreme depths, perennial sea ice cover, and importance to polar oceanographic research.
  • B. Lake Superior Basin
    The Lake Superior Basin is the vast watershed surrounding Lake Superior, encompassing its tributaries, shorelines, and adjacent landscapes in both Canada and the United States.
  • C. Lake Athabasca
    Lake Athabasca is a large, shallow lake in western Canada known for its uranium-rich region, important fisheries, and location spanning the border between Alberta and Saskatchewan.
  • D. Lake Winnipeg
    Lake Winnipeg is one of the largest freshwater lakes in North America, located in central Canada and known for its extensive watershed and ecological significance.
  • E. Hudson Bay
    Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
  • 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: Lake Agassiz basin
Triple: [Wisconsin glaciation, createdFeature, Lake Agassiz basin]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lake Agassiz basin
Target entity description: 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.
  • A. Canada Basin
    The Canada Basin is a deep, remote submarine basin in the Arctic Ocean, located north of Alaska and Canada, known for its extreme depths, perennial sea ice cover, and importance to polar oceanographic research.
  • B. Lake Superior Basin
    The Lake Superior Basin is the vast watershed surrounding Lake Superior, encompassing its tributaries, shorelines, and adjacent landscapes in both Canada and the United States.
  • C. Lake Athabasca
    Lake Athabasca is a large, shallow lake in western Canada known for its uranium-rich region, important fisheries, and location spanning the border between Alberta and Saskatchewan.
  • D. Lake Winnipeg
    Lake Winnipeg is one of the largest freshwater lakes in North America, located in central Canada and known for its extensive watershed and ecological significance.
  • E. Hudson Bay
    Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
  • 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_69ab4c44ab448190b9411324e8a1fc1d completed March 6, 2026, 9:51 p.m.
NER Named-entity recognition batch_69abe0d329c88190b6fcaef0be1799eb completed March 7, 2026, 8:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69b0561b8e6c8190be69fd39bdd19cca completed March 10, 2026, 5:34 p.m.
NEDg Description generation batch_69b060ac7c58819081f0882170869a8e completed March 10, 2026, 6:19 p.m.
NED2 Entity disambiguation (via description) batch_69b0619540cc8190971cd1a4c5c4b309 completed March 10, 2026, 6:23 p.m.
Created at: March 6, 2026, 10:11 p.m.