Triple

T12387025
Position Surface form Disambiguated ID Type / Status
Subject Boonton Reservoir E295891 entity
Predicate formedBy P972 FINISHED
Object Rockaway River dam
Rockaway River dam is a water-control structure on New Jersey’s Rockaway River that impounds the Boonton Reservoir, a key regional drinking water supply.
 E979459 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: Rockaway River dam | Statement: [Boonton Reservoir, formedBy, Rockaway River dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rockaway River dam
Context triple: [Boonton Reservoir, formedBy, Rockaway River dam]
  • A. Shawmut Dam
    Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
  • B. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • C. Neversink Dam
    Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
  • D. Monroe Street Dam
    Monroe Street Dam is a historic hydroelectric dam on the Spokane River in downtown Spokane, Washington, known for harnessing Spokane Falls to generate power.
  • E. Charles River Dam
    The Charles River Dam is a major flood-control and navigation structure on the Charles River in Boston that regulates water levels between the river and Boston Harbor.
  • 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: Rockaway River dam
Triple: [Boonton Reservoir, formedBy, Rockaway River dam]
Generated description
Rockaway River dam is a water-control structure on New Jersey’s Rockaway River that impounds the Boonton Reservoir, a key regional drinking water supply.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rockaway River dam
Target entity description: Rockaway River dam is a water-control structure on New Jersey’s Rockaway River that impounds the Boonton Reservoir, a key regional drinking water supply.
  • A. Shawmut Dam
    Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
  • B. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • C. Neversink Dam
    Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
  • D. Monroe Street Dam
    Monroe Street Dam is a historic hydroelectric dam on the Spokane River in downtown Spokane, Washington, known for harnessing Spokane Falls to generate power.
  • E. Charles River Dam
    The Charles River Dam is a major flood-control and navigation structure on the Charles River in Boston that regulates water levels between the river and Boston Harbor.
  • 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_69d6ad9e653c8190b1473c860ee53dae completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d93fbd489c819098233a111442762e completed April 10, 2026, 6:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62ac939bc819081629b9eef20c4e7 completed May 2, 2026, 4:48 p.m.
NEDg Description generation batch_69f62c7b28588190839c35c19856d16f completed May 2, 2026, 4:55 p.m.
NED2 Entity disambiguation (via description) batch_69f62e403a308190a2bba3fefc420932 completed May 2, 2026, 5:02 p.m.
Created at: April 8, 2026, 9:54 p.m.