Triple

T4892026
Position Surface form Disambiguated ID Type / Status
Subject Wachusett Reservoir E109585 entity
Predicate outflow P967 FINISHED
Object Wachusett Aqueduct
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
E479805 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: Wachusett Aqueduct | Statement: [Wachusett Reservoir, outflow, Wachusett Aqueduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Wachusett Aqueduct
Context triple: [Wachusett Reservoir, outflow, Wachusett Aqueduct]
  • A. Catskill Aqueduct
    The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
  • B. Roebling's Delaware Aqueduct
    Roebling's Delaware Aqueduct is a historic 19th-century suspension aqueduct and former canal bridge designed by John A. Roebling that now serves as a road bridge over the Delaware River between Pennsylvania and New York.
  • C. Holyoke Dam
    Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
  • D. Bellows Falls Canal
    Bellows Falls Canal is a historic navigation and power canal in Bellows Falls, Vermont, built to bypass the Connecticut River falls and support local industry.
  • E. Massachusetts Bay Outfall Tunnel
    The Massachusetts Bay Outfall Tunnel is a major deep-rock wastewater discharge tunnel off the coast of Boston that carries treated effluent far offshore to reduce pollution in Boston Harbor and Massachusetts Bay.
  • 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: Wachusett Aqueduct
Triple: [Wachusett Reservoir, outflow, Wachusett Aqueduct]
Generated description
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Wachusett Aqueduct
Target entity description: The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
  • A. Catskill Aqueduct
    The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
  • B. Roebling's Delaware Aqueduct
    Roebling's Delaware Aqueduct is a historic 19th-century suspension aqueduct and former canal bridge designed by John A. Roebling that now serves as a road bridge over the Delaware River between Pennsylvania and New York.
  • C. Holyoke Dam
    Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
  • D. Bellows Falls Canal
    Bellows Falls Canal is a historic navigation and power canal in Bellows Falls, Vermont, built to bypass the Connecticut River falls and support local industry.
  • E. Massachusetts Bay Outfall Tunnel
    The Massachusetts Bay Outfall Tunnel is a major deep-rock wastewater discharge tunnel off the coast of Boston that carries treated effluent far offshore to reduce pollution in Boston Harbor and Massachusetts Bay.
  • 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_69bd4410bbf88190aad50d2451c863d6 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6e2444dc819088d5562e90d16d9b completed March 20, 2026, 3:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6fbf3e74819099910475bbd18734 completed March 21, 2026, 10:15 a.m.
NEDg Description generation batch_69be735ea2cc819085c221b7230db63d completed March 21, 2026, 10:30 a.m.
NED2 Entity disambiguation (via description) batch_69be73b237388190b3502e64e185a26e completed March 21, 2026, 10:32 a.m.
Created at: March 20, 2026, 1:28 p.m.