Triple

T6486483
Position Surface form Disambiguated ID Type / Status
Subject Mount Hope Bay E146524 entity
Predicate receivesDischargeFrom P4108 FINISHED
Object Brayton Point Power Station
Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
E595985 NE FINISHED

How this triple was built (5 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: Brayton Point Power Station | Statement: [Mount Hope Bay, receivesDischargeFrom, Brayton Point Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brayton Point Power Station
Context triple: [Mount Hope Bay, receivesDischargeFrom, Brayton Point Power Station]
  • A. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • B. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • C. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • D. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • E. Kingston Fossil Plant
    Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
  • 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: Brayton Point Power Station
Triple: [Mount Hope Bay, receivesDischargeFrom, Brayton Point Power Station]
Generated description
Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brayton Point Power Station
Target entity description: Brayton Point Power Station was a large coal-fired power plant in Somerset, Massachusetts, known as one of New England’s most significant and controversial fossil-fuel generating stations before its closure.
  • A. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • B. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • C. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • D. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • E. Kingston Fossil Plant
    Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: receivesDischargeFrom
Context triple: [Mount Hope Bay, receivesDischargeFrom, Brayton Point Power Station]
  • A. hasDischarge
    Indicates that one entity releases, emits, or expels a substance, energy, or flow from itself.
  • B. dischargeLocation chosen
    Indicates the place or facility where an entity (such as a person, object, or substance) is released, sent, or discharged to after a prior state or process.
  • C. dischargeType
    Indicates the manner or category of how something is released, emitted, or discharged from a source.
  • D. dischargeRank
    Indicates the rank or status an individual held at the time they were discharged from a role, service, or organization.
  • E. dischargeContribution
    Indicates that one party fulfills or settles an owed contribution, obligation, or share toward another party or collective.
  • F. None of above.

Provenance (6 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_69c0090158c08190af0df9a2348d2d52 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06a706d4c8190b7a3cc8855abcecb completed March 22, 2026, 10:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c653b4e91c81908dfa1798a057b21a completed March 27, 2026, 9:53 a.m.
NEDg Description generation batch_69c65463dad88190ad2429140623ff80 completed March 27, 2026, 9:56 a.m.
NED2 Entity disambiguation (via description) batch_69c654d0c2948190a4d586071133d759 completed March 27, 2026, 9:58 a.m.
PD Predicate disambiguation batch_69c0673f6d48819080e10c85155c7195 completed March 22, 2026, 10:03 p.m.
Created at: March 22, 2026, 4:52 p.m.