Triple

T720339
Position Surface form Disambiguated ID Type / Status
Subject Massachusetts Water Resources Authority E14601 entity
Predicate operates P24 FINISHED
Object Deer Island Wastewater Treatment Plant
Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
E86978 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: Deer Island Wastewater Treatment Plant | Statement: [Massachusetts Water Resources Authority, operates, Deer Island Wastewater Treatment Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Deer Island Wastewater Treatment Plant
Context triple: [Massachusetts Water Resources Authority, operates, Deer Island Wastewater Treatment Plant]
  • A. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • B. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • C. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • D. Harvey O. Banks Pumping Plant
    The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
  • E. Croton Water Filtration Plant
    The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
  • 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: Deer Island Wastewater Treatment Plant
Triple: [Massachusetts Water Resources Authority, operates, Deer Island Wastewater Treatment Plant]
Generated description
Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Deer Island Wastewater Treatment Plant
Target entity description: Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
  • A. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • B. Jones Pumping Plant
    Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
  • C. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • D. Harvey O. Banks Pumping Plant
    The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
  • E. Croton Water Filtration Plant
    The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
  • 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_69a4934c753c81909b309027e48b9b3a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a58e65e8819098cba7e6a20d8f33 completed March 1, 2026, 8:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69a63759d6108190adcdeac45e4c7766 completed March 3, 2026, 1:20 a.m.
NEDg Description generation batch_69a63b158dc881909da0b90f498e9a43 completed March 3, 2026, 1:36 a.m.
NED2 Entity disambiguation (via description) batch_69a63eccc5a08190b39b7818dc61591c completed March 3, 2026, 1:52 a.m.
Created at: March 1, 2026, 7:37 p.m.