Triple

T16793564
Position Surface form Disambiguated ID Type / Status
Subject Massachusetts Bay Outfall Tunnel E408173 entity
Predicate operator P179 FINISHED
Object Massachusetts Water Resources Authority E14601 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: Massachusetts Water Resources Authority | Statement: [Massachusetts Bay Outfall Tunnel, operator, Massachusetts Water Resources Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Massachusetts Water Resources Authority
Context triple: [Massachusetts Bay Outfall Tunnel, operator, Massachusetts Water Resources Authority]
  • 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. Providence Water Supply Board
    The Providence Water Supply Board is the public utility responsible for managing and delivering drinking water to Providence, Rhode Island and several surrounding communities.
  • C. Middlesex Fells Reservation water system
    The Middlesex Fells Reservation water system is a network of reservoirs and related infrastructure in Massachusetts that historically supplied drinking water and now supports recreation and conservation within the Middlesex Fells Reservation.
  • D. Atlantic Municipal Utilities
    Atlantic Municipal Utilities is a local public utility provider that supplies essential services such as electricity and possibly water to residents and businesses in Atlantic, Iowa.
  • E. Massachusetts Department of Public Utilities
    The Massachusetts Department of Public Utilities is a state regulatory agency responsible for overseeing investor‑owned electric, natural gas, and water utilities, as well as certain transportation and pipeline safety functions in Massachusetts.
  • 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_69d88393905081908d00a86b99996ac8 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3b2a7817c8190a53d0cfb5ef66a71 completed April 18, 2026, 4:34 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00b28970748190836806c68ad9e230 completed May 10, 2026, 4:30 p.m.
Created at: April 10, 2026, 5:22 a.m.