Triple

T7808578
Position Surface form Disambiguated ID Type / Status
Subject Blue Plains Advanced Wastewater Treatment Plant E180619 entity
Predicate ownedBy P347 FINISHED
Object District of Columbia Water and Sewer Authority E34347 NE FINISHED

How this triple was built (2 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: District of Columbia Water and Sewer Authority | Statement: [Blue Plains Advanced Wastewater Treatment Plant, ownedBy, District of Columbia Water and Sewer Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: District of Columbia Water and Sewer Authority
Context triple: [Blue Plains Advanced Wastewater Treatment Plant, ownedBy, District of Columbia Water and Sewer Authority]
  • A. District of Columbia Water and Sewer Authority chosen
    The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
  • B. District of Columbia Department of Public Works
    The District of Columbia Department of Public Works is the municipal agency responsible for services such as trash and recycling collection, street and alley cleaning, parking enforcement, and related public space maintenance in Washington, D.C.
  • C. Fairfax Water
    Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
  • D. Board of Public Works of the District of Columbia
    The Board of Public Works of the District of Columbia was a 19th-century governing body responsible for overseeing major public infrastructure and improvements in Washington, D.C.
  • E. District of Columbia Department of Parks and Recreation
    The District of Columbia Department of Parks and Recreation is the municipal agency responsible for managing Washington, D.C.’s public parks, recreation centers, and related community programs.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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.
Created at: March 30, 2026, 4:36 p.m.