Triple

T989674
Position Surface form Disambiguated ID Type / Status
Subject Missouri River E21358 entity
Predicate passesThrough P225 FINISHED
Object Lewis and Clark Lake
Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
 E208750 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: Lewis and Clark Lake | Statement: [Missouri River, passesThrough, Lewis and Clark Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lewis and Clark Lake
Context triple: [Missouri River, passesThrough, Lewis and Clark Lake]
  • A. Medicine Lake
    Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
  • B. Columbia Lake
    Columbia Lake is a freshwater lake in southeastern British Columbia, Canada, best known as the headwater of the Columbia River.
  • C. Lake Cushman
    Lake Cushman is a scenic reservoir on the north fork of the Skokomish River in Washington State, popular for boating, fishing, and hiking near Olympic National Park.
  • D. Whiskeytown Lake
    Whiskeytown Lake is a large reservoir in Northern California known for its clear waters, outdoor recreation, and role in the Central Valley Project.
  • E. Bass Lake
    Bass Lake is a popular recreational reservoir in California’s Sierra Nevada, known for boating, fishing, and its proximity to Yosemite National Park.
  • 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: Lewis and Clark Lake
Triple: [Missouri River, passesThrough, Lewis and Clark Lake]
Generated description
Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lewis and Clark Lake
Target entity description: Lewis and Clark Lake is a large reservoir on the Missouri River along the Nebraska–South Dakota border, popular for recreation and formed by Gavins Point Dam.
  • A. Medicine Lake
    Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
  • B. Columbia Lake
    Columbia Lake is a freshwater lake in southeastern British Columbia, Canada, best known as the headwater of the Columbia River.
  • C. Lake Cushman
    Lake Cushman is a scenic reservoir on the north fork of the Skokomish River in Washington State, popular for boating, fishing, and hiking near Olympic National Park.
  • D. Whiskeytown Lake
    Whiskeytown Lake is a large reservoir in Northern California known for its clear waters, outdoor recreation, and role in the Central Valley Project.
  • E. Bass Lake
    Bass Lake is a popular recreational reservoir in California’s Sierra Nevada, known for boating, fishing, and its proximity to Yosemite National Park.
  • 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_69a493c383dc8190a03257f22d4b4183 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4aa16f081909dcc7a7ce3fb1b64 completed March 1, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69add19c8dac8190b99a00fc2131b0f4 completed March 8, 2026, 7:44 p.m.
NEDg Description generation batch_69add44709e48190bf5a4da37df17662 completed March 8, 2026, 7:55 p.m.
NED2 Entity disambiguation (via description) batch_69add4df93ec8190ada872535709f550 completed March 8, 2026, 7:58 p.m.
Created at: March 1, 2026, 7:41 p.m.