Triple

T1442256
Position Surface form Disambiguated ID Type / Status
Subject Mendenhall Glacier E31099 entity
Predicate drainageBasin P1559 FINISHED
Object Mendenhall River
The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
E286873 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: Mendenhall River | Statement: [Mendenhall Glacier, drainageBasin, Mendenhall River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mendenhall River
Context triple: [Mendenhall Glacier, drainageBasin, Mendenhall River]
  • A. Chena River
    The Chena River is a tributary of the Tanana River in interior Alaska that flows through the city of Fairbanks and is central to its recreation, scenery, and occasional flooding.
  • B. Kuskokwim River
    The Kuskokwim River is one of Alaska’s longest rivers, flowing through remote western regions to the Bering Sea and serving as a vital transportation and subsistence lifeline for local communities.
  • C. Salmon River
    The Salmon River is a major free-flowing river in central Idaho known for its deep canyons, whitewater rafting, and role as a key tributary of the Snake River.
  • D. Salmon River
    The Salmon River is a major wild and scenic tributary of the Klamath River in northern California, renowned for its rugged canyons, salmon runs, and recreational whitewater.
  • E. Matanuska River
    The Matanuska River is a glacially fed river in southcentral Alaska known for its scenic valley, braided channels, and proximity to the Matanuska Glacier.
  • 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: Mendenhall River
Triple: [Mendenhall Glacier, drainageBasin, Mendenhall River]
Generated description
The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mendenhall River
Target entity description: The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
  • A. Chena River
    The Chena River is a tributary of the Tanana River in interior Alaska that flows through the city of Fairbanks and is central to its recreation, scenery, and occasional flooding.
  • B. Kuskokwim River
    The Kuskokwim River is one of Alaska’s longest rivers, flowing through remote western regions to the Bering Sea and serving as a vital transportation and subsistence lifeline for local communities.
  • C. Salmon River
    The Salmon River is a major free-flowing river in central Idaho known for its deep canyons, whitewater rafting, and role as a key tributary of the Snake River.
  • D. Salmon River
    The Salmon River is a major wild and scenic tributary of the Klamath River in northern California, renowned for its rugged canyons, salmon runs, and recreational whitewater.
  • E. Matanuska River
    The Matanuska River is a glacially fed river in southcentral Alaska known for its scenic valley, braided channels, and proximity to the Matanuska Glacier.
  • 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_69a4991633388190a4d61b5a98aa407a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c5320728819095d9ed2439fa7d31 completed March 1, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69af9893d2048190ac3b36c32f14b63d completed March 10, 2026, 4:05 a.m.
NEDg Description generation batch_69af9990f77081908a03b454fad1fad9 completed March 10, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69af99fe48f881908a1a20f5eed8688c completed March 10, 2026, 4:11 a.m.
Created at: March 1, 2026, 8 p.m.