Triple

T11379839
Position Surface form Disambiguated ID Type / Status
Subject Hoover Reservoir E269563 entity
Predicate formedBy P972 FINISHED
Object Hoover Dam (Ohio)
Hoover Dam (Ohio) is a concrete gravity dam on Big Walnut Creek in central Ohio that creates the Hoover Reservoir, a major source of drinking water and recreation for the Columbus metropolitan area.
E922359 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: Hoover Dam (Ohio) | Statement: [Hoover Reservoir, formedBy, Hoover Dam (Ohio)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hoover Dam (Ohio)
Context triple: [Hoover Reservoir, formedBy, Hoover Dam (Ohio)]
  • A. Mayfield Dam
    Mayfield Dam is a hydroelectric dam in Washington State that forms Mayfield Lake and generates power on the Cowlitz River.
  • B. Pyramid Dam
    Pyramid Dam is a major earthfill dam in Southern California that forms Pyramid Lake on Piru Creek, serving water storage, flood control, and recreation purposes as part of the State Water Project.
  • C. Kanopolis Dam
    Kanopolis Dam is a large earthen flood-control and irrigation dam in central Kansas that forms Kanopolis Lake, a popular site for recreation and wildlife habitat.
  • D. Kentucky Dam
    Kentucky Dam is a major hydroelectric and flood-control dam in western Kentucky that forms Kentucky Lake on the Tennessee River.
  • E. Coolidge Dam
    Coolidge Dam is a large concrete multiple-arch dam in Arizona that impounds the Gila River to form San Carlos Lake for irrigation, flood control, and water storage.
  • 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: Hoover Dam (Ohio)
Triple: [Hoover Reservoir, formedBy, Hoover Dam (Ohio)]
Generated description
Hoover Dam (Ohio) is a concrete gravity dam on Big Walnut Creek in central Ohio that creates the Hoover Reservoir, a major source of drinking water and recreation for the Columbus metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hoover Dam (Ohio)
Target entity description: Hoover Dam (Ohio) is a concrete gravity dam on Big Walnut Creek in central Ohio that creates the Hoover Reservoir, a major source of drinking water and recreation for the Columbus metropolitan area.
  • A. Mayfield Dam
    Mayfield Dam is a hydroelectric dam in Washington State that forms Mayfield Lake and generates power on the Cowlitz River.
  • B. Pyramid Dam
    Pyramid Dam is a major earthfill dam in Southern California that forms Pyramid Lake on Piru Creek, serving water storage, flood control, and recreation purposes as part of the State Water Project.
  • C. Kanopolis Dam
    Kanopolis Dam is a large earthen flood-control and irrigation dam in central Kansas that forms Kanopolis Lake, a popular site for recreation and wildlife habitat.
  • D. Kentucky Dam
    Kentucky Dam is a major hydroelectric and flood-control dam in western Kentucky that forms Kentucky Lake on the Tennessee River.
  • E. Coolidge Dam
    Coolidge Dam is a large concrete multiple-arch dam in Arizona that impounds the Gila River to form San Carlos Lake for irrigation, flood control, and water storage.
  • 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_69d6aacca1048190b39dbbc2174616fa completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7fc30f5d48190bb273df4c9e583a9 completed April 9, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69e556a10f988190b173dc4880a8c6c6 completed April 19, 2026, 10:26 p.m.
NEDg Description generation batch_69e562c8fb948190be87cca65c3b74e1 completed April 19, 2026, 11:18 p.m.
NED2 Entity disambiguation (via description) batch_69e56aaa5c9081909f89cfe6a8fc03f0 completed April 19, 2026, 11:52 p.m.
Created at: April 8, 2026, 9:34 p.m.