Triple

T16516466
Position Surface form Disambiguated ID Type / Status
Subject Columbia Icefield E401196 entity
Predicate sourceOfRiver P25636 FINISHED
Object Columbia River headwaters
The Columbia River headwaters are the high-elevation source region of the Columbia River in the Canadian Rockies, where meltwater and runoff begin the river’s long course toward the Pacific Ocean.
E1218422 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: Columbia River headwaters | Statement: [Columbia Icefield, sourceOfRiver, Columbia River headwaters]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Columbia River headwaters
Context triple: [Columbia Icefield, sourceOfRiver, Columbia River headwaters]
  • A. Wenatchee River
    The Wenatchee River is a major river in Washington State known for its scenic canyon landscapes, whitewater recreation, and role as a key tributary of the Columbia River.
  • B. Rainier River
    Rainier River is a waterway named in honor of British Royal Navy officer Peter Rainier, reflecting his historical influence in the region.
  • C. Somass River
    The Somass River is a river on Vancouver Island in British Columbia, Canada, known for flowing through the Alberni Valley to the city of Port Alberni and supporting important salmon runs.
  • D. Madison River
    The Madison River is a renowned trout-fishing and whitewater river in Wyoming and Montana that forms one of the three headwaters of the Missouri River.
  • E. Skookumchuck River
    Skookumchuck River is a river in western Washington State that flows through Thurston County and is known for its salmon habitat and recreational opportunities.
  • 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: Columbia River headwaters
Triple: [Columbia Icefield, sourceOfRiver, Columbia River headwaters]
Generated description
The Columbia River headwaters are the high-elevation source region of the Columbia River in the Canadian Rockies, where meltwater and runoff begin the river’s long course toward the Pacific Ocean.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Columbia River headwaters
Target entity description: The Columbia River headwaters are the high-elevation source region of the Columbia River in the Canadian Rockies, where meltwater and runoff begin the river’s long course toward the Pacific Ocean.
  • A. Wenatchee River
    The Wenatchee River is a major river in Washington State known for its scenic canyon landscapes, whitewater recreation, and role as a key tributary of the Columbia River.
  • B. Rainier River
    Rainier River is a waterway named in honor of British Royal Navy officer Peter Rainier, reflecting his historical influence in the region.
  • C. Somass River
    The Somass River is a river on Vancouver Island in British Columbia, Canada, known for flowing through the Alberni Valley to the city of Port Alberni and supporting important salmon runs.
  • D. Madison River
    The Madison River is a renowned trout-fishing and whitewater river in Wyoming and Montana that forms one of the three headwaters of the Missouri River.
  • E. Skookumchuck River
    Skookumchuck River is a river in western Washington State that flows through Thurston County and is known for its salmon habitat and recreational opportunities.
  • 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_69d883838abc8190bc79cb2d41733ce2 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e7c7e588190acbcc2b807a98909 completed April 18, 2026, 7:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a006086c0a881908976103f8a144f69 completed May 10, 2026, 10:40 a.m.
NEDg Description generation batch_6a006133a9148190af5bc0cec8ad6695 completed May 10, 2026, 10:42 a.m.
NED2 Entity disambiguation (via description) batch_6a0061c85d5481909628c2fddbcf0d54 completed May 10, 2026, 10:45 a.m.
Created at: April 10, 2026, 5:14 a.m.