Triple

T4528892
Position Surface form Disambiguated ID Type / Status
Subject Missouri River Basin E106245 entity
Predicate hasMajorDam P8736 FINISHED
Object Oahe Dam
Oahe Dam is a large earth-fill dam on the Missouri River in South Dakota, forming Lake Oahe, one of the largest man-made reservoirs in the United States and a major source of hydroelectric power, irrigation, and flood control.
 E449299 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: Oahe Dam | Statement: [Missouri River Basin, hasMajorDam, Oahe Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oahe Dam
Context triple: [Missouri River Basin, hasMajorDam, Oahe Dam]
  • A. Shiroro Dam
    Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
  • B. Doma Dam
    Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
  • C. Guri Dam
    Guri Dam is one of the world’s largest hydroelectric dams, located on the Caroní River in Venezuela and a major source of the country’s electricity.
  • D. Surobi Dam
    Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
  • E. Sutami Dam
    Sutami Dam is a major multipurpose dam in East Java, Indonesia, used primarily for hydroelectric power generation, irrigation, and flood control on the Brantas River.
  • 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: Oahe Dam
Triple: [Missouri River Basin, hasMajorDam, Oahe Dam]
Generated description
Oahe Dam is a large earth-fill dam on the Missouri River in South Dakota, forming Lake Oahe, one of the largest man-made reservoirs in the United States and a major source of hydroelectric power, irrigation, and flood control.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oahe Dam
Target entity description: Oahe Dam is a large earth-fill dam on the Missouri River in South Dakota, forming Lake Oahe, one of the largest man-made reservoirs in the United States and a major source of hydroelectric power, irrigation, and flood control.
  • A. Shiroro Dam
    Shiroro Dam is a major hydroelectric power facility on the Kaduna River in Niger State, Nigeria, supplying electricity and supporting water management in the region.
  • B. Doma Dam
    Doma Dam is a reservoir and recreational site in Nasarawa State, Nigeria, known for its scenic views, fishing opportunities, and role in supporting local agriculture and water supply.
  • C. Guri Dam
    Guri Dam is one of the world’s largest hydroelectric dams, located on the Caroní River in Venezuela and a major source of the country’s electricity.
  • D. Surobi Dam
    Surobi Dam is a hydroelectric and irrigation dam located on the Kabul River in eastern Afghanistan.
  • E. Sutami Dam
    Sutami Dam is a major multipurpose dam in East Java, Indonesia, used primarily for hydroelectric power generation, irrigation, and flood control on the Brantas River.
  • 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_69bd43f3d6e08190a91824f833d51bbe completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd5779593081908593537b9239e01b completed March 20, 2026, 2:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69bda45eadd0819093429e14c88a161d completed March 20, 2026, 7:47 p.m.
NEDg Description generation batch_69bda4e4f5a081908892c4363b3a4989 completed March 20, 2026, 7:49 p.m.
NED2 Entity disambiguation (via description) batch_69bda556d4188190a00d6e6259139c10 completed March 20, 2026, 7:51 p.m.
Created at: March 20, 2026, 1:03 p.m.