Triple

T13613428
Position Surface form Disambiguated ID Type / Status
Subject Niagara River diversion reservoirs E325250 entity
Predicate connectedTo P37 FINISHED
Object Niagara River diversion tunnels
The Niagara River diversion tunnels are underground conduits that channel water from the Niagara River to hydroelectric power stations, enabling large-scale electricity generation while managing river flow.
E1054787 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: Niagara River diversion tunnels | Statement: [Niagara River diversion reservoirs, connectedTo, Niagara River diversion tunnels]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Niagara River diversion tunnels
Context triple: [Niagara River diversion reservoirs, connectedTo, Niagara River diversion tunnels]
  • A. Niagara River diversion reservoirs
    The Niagara River diversion reservoirs are man-made water storage basins that regulate and supply diverted Niagara River flow to the Sir Adam Beck Hydroelectric Generating Stations for power production.
  • B. New York City Water Tunnel No. 2
    New York City Water Tunnel No. 2 is a major underground aqueduct that transports drinking water from upstate reservoirs to the city as part of its extensive water distribution network.
  • C. New York City Water Tunnel No. 3
    New York City Water Tunnel No. 3 is a massive, long-term infrastructure project designed to modernize and provide redundancy to New York City’s drinking water distribution network.
  • D. Saint Marys Falls Canal
    Saint Marys Falls Canal is a key shipping canal at Sault Ste. Marie that enables vessels to bypass the rapids of the St. Marys River between Lake Superior and the lower Great Lakes.
  • E. Schoharie–Esopus water diversion system
    The Schoharie–Esopus water diversion system is a key component of New York City's upstate water supply infrastructure that transfers water from the Schoharie Reservoir into the Esopus Creek watershed via tunnels and related facilities.
  • 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: Niagara River diversion tunnels
Triple: [Niagara River diversion reservoirs, connectedTo, Niagara River diversion tunnels]
Generated description
The Niagara River diversion tunnels are underground conduits that channel water from the Niagara River to hydroelectric power stations, enabling large-scale electricity generation while managing river flow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Niagara River diversion tunnels
Target entity description: The Niagara River diversion tunnels are underground conduits that channel water from the Niagara River to hydroelectric power stations, enabling large-scale electricity generation while managing river flow.
  • A. Niagara River diversion reservoirs
    The Niagara River diversion reservoirs are man-made water storage basins that regulate and supply diverted Niagara River flow to the Sir Adam Beck Hydroelectric Generating Stations for power production.
  • B. New York City Water Tunnel No. 2
    New York City Water Tunnel No. 2 is a major underground aqueduct that transports drinking water from upstate reservoirs to the city as part of its extensive water distribution network.
  • C. New York City Water Tunnel No. 3
    New York City Water Tunnel No. 3 is a massive, long-term infrastructure project designed to modernize and provide redundancy to New York City’s drinking water distribution network.
  • D. Saint Marys Falls Canal
    Saint Marys Falls Canal is a key shipping canal at Sault Ste. Marie that enables vessels to bypass the rapids of the St. Marys River between Lake Superior and the lower Great Lakes.
  • E. Schoharie–Esopus water diversion system
    The Schoharie–Esopus water diversion system is a key component of New York City's upstate water supply infrastructure that transfers water from the Schoharie Reservoir into the Esopus Creek watershed via tunnels and related facilities.
  • 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_69d8076aae28819092cf636190ee5529 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbb0abe1208190a1e0a32dc141d836 completed April 12, 2026, 2:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7942e8c9c8190ab843cc4c31f512a completed May 3, 2026, 6:30 p.m.
NEDg Description generation batch_69f796a4eac88190aa68765fd0e6dfe7 completed May 3, 2026, 6:40 p.m.
NED2 Entity disambiguation (via description) batch_69f7976846308190b1a5c056609fca34 completed May 3, 2026, 6:43 p.m.
Created at: April 9, 2026, 9:50 p.m.