Triple

T608505
Position Surface form Disambiguated ID Type / Status
Subject Boston Harbor E12045 entity
Predicate hasFacility P105 FINISHED
Object Massachusetts Water Resources Authority Deer Island Treatment Plant
The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
E14601 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: Massachusetts Water Resources Authority Deer Island Treatment Plant | Statement: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Massachusetts Water Resources Authority Deer Island Treatment Plant
Context triple: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
  • A. Massachusetts Water Resources Authority
    The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Massachusetts Water Resources Authority Deer Island Treatment Plant
Triple: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
Generated description
The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Massachusetts Water Resources Authority Deer Island Treatment Plant
Target entity description: The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
  • A. Massachusetts Water Resources Authority chosen
    The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69a493309df48190a327f748e88049a6 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49df54eec8190af3f5f04c01d5d2a completed March 1, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a52925321c8190a0d1df7a58096c4e completed March 2, 2026, 6:07 a.m.
NEDg Description generation batch_69a529ffc0cc8190b42f4bde8860deeb completed March 2, 2026, 6:11 a.m.
NED2 Entity disambiguation (via description) batch_69a52a4d52f08190b79b290372da94b3 completed March 2, 2026, 6:12 a.m.
Created at: March 1, 2026, 7:35 p.m.