Triple

T91461
Position Surface form Disambiguated ID Type / Status
Subject Croton River E1836 entity
Predicate hasStructureOnWatercourse P4361 FINISHED
Object Croton Gorge Dam
Croton Gorge Dam is a historic masonry dam in New York that forms the New Croton Reservoir, supplying drinking water to New York City and serving as a notable engineering landmark.
E17213 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: Croton Gorge Dam | Statement: [Croton River, hasStructureOnWatercourse, Croton Gorge Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Croton Gorge Dam
Context triple: [Croton River, hasStructureOnWatercourse, Croton Gorge Dam]
  • A. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
  • B. Croton Falls Reservoir
    Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
  • C. New Croton Dam
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
  • D. Grand Coulee Dam
    Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
  • E. Hoover Dam
    Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
  • 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: Croton Gorge Dam
Triple: [Croton River, hasStructureOnWatercourse, Croton Gorge Dam]
Generated description
Croton Gorge Dam is a historic masonry dam in New York that forms the New Croton Reservoir, supplying drinking water to New York City and serving as a notable engineering landmark.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Croton Gorge Dam
Target entity description: Croton Gorge Dam is a historic masonry dam in New York that forms the New Croton Reservoir, supplying drinking water to New York City and serving as a notable engineering landmark.
  • A. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
  • B. Croton Falls Reservoir
    Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
  • C. New Croton Dam chosen
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
  • D. Grand Coulee Dam
    Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
  • E. Hoover Dam
    Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
  • F. None of above.

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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a2567dd770819088eb77ffc6d2d1cf completed Feb. 28, 2026, 2:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2c529506c81908da1e88f04d6b0a0 completed Feb. 28, 2026, 10:36 a.m.
NEDg Description generation batch_69a2c633ed688190937e3603b5bcfac8 completed Feb. 28, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69a2c6cb23a88190a134f3820a080201 completed Feb. 28, 2026, 10:43 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.