Triple

T469819
Position Surface form Disambiguated ID Type / Status
Subject Grand Coulee Dam E8529 entity
Predicate hasPart P35 FINISHED
Object Left Powerhouse
Left Powerhouse is one of the major hydroelectric generating stations within the Grand Coulee Dam complex on the Columbia River in Washington State.
E58690 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: Left Powerhouse | Statement: [Grand Coulee Dam, hasPart, Left Powerhouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Left Powerhouse
Context triple: [Grand Coulee Dam, hasPart, Left Powerhouse]
  • A. New Left
    The New Left was a broad 1960s–1970s political movement, especially among students and intellectuals in the United States and Western Europe, that emphasized civil rights, participatory democracy, and opposition to the Vietnam War and traditional establishment politics.
  • B. Right and Left
    "Right and Left" is a 1909 oil painting by American artist Winslow Homer depicting two ducks at the moment they are shot in mid-flight, noted for its dramatic composition and exploration of mortality.
  • C. Progressive Alliance
    The Progressive Alliance is an international network of social-democratic, socialist, and progressive political parties and organizations that collaborate to promote democracy, social justice, and sustainable development worldwide.
  • D. United First
    United First is United Airlines’ premium first-class cabin offered on many domestic and short-haul international flights, featuring enhanced comfort, amenities, and personalized service compared to economy cabins.
  • E. Union
    The Union was the federal government and Northern states of the United States that opposed the seceding Confederate states during the American Civil War.
  • 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: Left Powerhouse
Triple: [Grand Coulee Dam, hasPart, Left Powerhouse]
Generated description
Left Powerhouse is one of the major hydroelectric generating stations within the Grand Coulee Dam complex on the Columbia River in Washington State.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Left Powerhouse
Target entity description: Left Powerhouse is one of the major hydroelectric generating stations within the Grand Coulee Dam complex on the Columbia River in Washington State.
  • A. New Left
    The New Left was a broad 1960s–1970s political movement, especially among students and intellectuals in the United States and Western Europe, that emphasized civil rights, participatory democracy, and opposition to the Vietnam War and traditional establishment politics.
  • B. Right and Left
    "Right and Left" is a 1909 oil painting by American artist Winslow Homer depicting two ducks at the moment they are shot in mid-flight, noted for its dramatic composition and exploration of mortality.
  • C. Progressive Alliance
    The Progressive Alliance is an international network of social-democratic, socialist, and progressive political parties and organizations that collaborate to promote democracy, social justice, and sustainable development worldwide.
  • D. United First
    United First is United Airlines’ premium first-class cabin offered on many domestic and short-haul international flights, featuring enhanced comfort, amenities, and personalized service compared to economy cabins.
  • E. Union
    The Union was the federal government and Northern states of the United States that opposed the seceding Confederate states during the American Civil War.
  • 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_69a2e7f3aeb48190a19453e3a043f486 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2efef8b788190857ebf66df562d59 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a45803a8c081908e5f5a03f462cd2e completed March 1, 2026, 3:15 p.m.
NEDg Description generation batch_69a45d6f45a0819099ced2dc87124c2c completed March 1, 2026, 3:38 p.m.
NED2 Entity disambiguation (via description) batch_69a45e24f1308190b852050d56348f57 completed March 1, 2026, 3:41 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.