Triple

T7808572
Position Surface form Disambiguated ID Type / Status
Subject Blue Plains Advanced Wastewater Treatment Plant E180619 entity
Predicate shortName P43 FINISHED
Object Blue Plains
Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
 E699087 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: Blue Plains | Statement: [Blue Plains Advanced Wastewater Treatment Plant, shortName, Blue Plains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Plains
Context triple: [Blue Plains Advanced Wastewater Treatment Plant, shortName, Blue Plains]
  • A. Occoquan Reservoir
    Occoquan Reservoir is a man-made lake in Northern Virginia that serves as a major drinking water source and recreational area for the Washington, D.C. metropolitan region.
  • B. Occoquan Dam
    Occoquan Dam is a concrete gravity dam in northern Virginia that creates the Occoquan Reservoir, a major regional water supply and flood-control structure for the Washington, D.C. metropolitan area.
  • C. The Reservoir
    The Reservoir is a large man-made lake in Central Park, New York City, popular for its scenic running track and iconic skyline views.
  • D. Boonton Reservoir
    Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
  • E. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • 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: Blue Plains
Triple: [Blue Plains Advanced Wastewater Treatment Plant, shortName, Blue Plains]
Generated description
Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Plains
Target entity description: Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
  • A. Occoquan Reservoir
    Occoquan Reservoir is a man-made lake in Northern Virginia that serves as a major drinking water source and recreational area for the Washington, D.C. metropolitan region.
  • B. Occoquan Dam
    Occoquan Dam is a concrete gravity dam in northern Virginia that creates the Occoquan Reservoir, a major regional water supply and flood-control structure for the Washington, D.C. metropolitan area.
  • C. The Reservoir
    The Reservoir is a large man-made lake in Central Park, New York City, popular for its scenic running track and iconic skyline views.
  • D. Boonton Reservoir
    Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
  • E. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • 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_69ca827f6f148190beca4e245b993506 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69caf63b3ebc819088dcf4c58b80b18a completed March 30, 2026, 10:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69cb5a4724288190b6f18f8cdde080ed completed March 31, 2026, 5:23 a.m.
NEDg Description generation batch_69cb762ce6208190a24438e26ae83785 completed March 31, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69cbb615dc248190b57b4fc7c430517f completed March 31, 2026, 11:55 a.m.
Created at: March 30, 2026, 4:36 p.m.