Triple

T2586246
Position Surface form Disambiguated ID Type / Status
Subject Niagara River E58010 entity
Predicate managedBy P86 FINISHED
Object International Niagara Board of Control
The International Niagara Board of Control is a binational body that oversees water levels and flow regulation in the Niagara River on behalf of the United States and Canada.
E279592 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: International Niagara Board of Control | Statement: [Niagara River, managedBy, International Niagara Board of Control]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: International Niagara Board of Control
Context triple: [Niagara River, managedBy, International Niagara Board of Control]
  • A. Robert Moses Niagara Power Plant
    The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
  • B. Niagara Centre
    Niagara Centre is a federal electoral district in Ontario, Canada, represented in the House of Commons and centered around communities in the Niagara Region.
  • C. Niagara Falls AC power project
    The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
  • D. Saint Lawrence Seaway Development Corporation
    The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
  • E. Hudson River–Black River Regulating District
    The Hudson River–Black River Regulating District is a New York State public agency responsible for managing water levels, flood control, and flow regulation in the Hudson and Black River basins.
  • 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: International Niagara Board of Control
Triple: [Niagara River, managedBy, International Niagara Board of Control]
Generated description
The International Niagara Board of Control is a binational body that oversees water levels and flow regulation in the Niagara River on behalf of the United States and Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: International Niagara Board of Control
Target entity description: The International Niagara Board of Control is a binational body that oversees water levels and flow regulation in the Niagara River on behalf of the United States and Canada.
  • A. Robert Moses Niagara Power Plant
    The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
  • B. Niagara Centre
    Niagara Centre is a federal electoral district in Ontario, Canada, represented in the House of Commons and centered around communities in the Niagara Region.
  • C. Niagara Falls AC power project
    The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
  • D. Saint Lawrence Seaway Development Corporation
    The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
  • E. Hudson River–Black River Regulating District
    The Hudson River–Black River Regulating District is a New York State public agency responsible for managing water levels, flood control, and flow regulation in the Hudson and Black River basins.
  • 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_69ab4ac019c8819094add11c46706e32 completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abd3f6f6ac8190abff7b8b6ff3c023 completed March 7, 2026, 7:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69af6581f6fc819099ea28ecbb0093d7 completed March 10, 2026, 12:27 a.m.
NEDg Description generation batch_69af67bbd6048190aaa091e6ce8cdd23 completed March 10, 2026, 12:37 a.m.
NED2 Entity disambiguation (via description) batch_69af6839cd1c81909ef772cda4bd2f9c completed March 10, 2026, 12:39 a.m.
Created at: March 6, 2026, 9:49 p.m.