Triple

T16727561
Position Surface form Disambiguated ID Type / Status
Subject Chicago Area Waterway System E406500 entity
Predicate relatedProject P2830 FINISHED
Object Tunnel and Reservoir Plan (TARP)
The Tunnel and Reservoir Plan (TARP), also known as Chicago’s Deep Tunnel project, is a massive civil engineering and flood-control system designed to capture and store stormwater and sewage to reduce flooding and water pollution in the Chicago metropolitan area.
E1230671 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: Tunnel and Reservoir Plan (TARP) | Statement: [Chicago Area Waterway System, relatedProject, Tunnel and Reservoir Plan (TARP)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tunnel and Reservoir Plan (TARP)
Context triple: [Chicago Area Waterway System, relatedProject, Tunnel and Reservoir Plan (TARP)]
  • A. Central Artery/Tunnel Project
    The Central Artery/Tunnel Project, commonly known as the "Big Dig," was a massive Boston infrastructure megaproject that rerouted the city’s central highway into tunnels to reduce congestion and reclaim urban space.
  • B. New York City Water Tunnel No. 3
    New York City Water Tunnel No. 3 is a massive, long-term infrastructure project designed to modernize and provide redundancy to New York City’s drinking water distribution network.
  • C. New York City Water Tunnel No. 2
    New York City Water Tunnel No. 2 is a major underground aqueduct that transports drinking water from upstate reservoirs to the city as part of its extensive water distribution network.
  • D. 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.
  • E. New York City water tunnels
    New York City water tunnels are a vast underground aqueduct system that conveys drinking water from upstate reservoirs to the city’s distribution network.
  • 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: Tunnel and Reservoir Plan (TARP)
Triple: [Chicago Area Waterway System, relatedProject, Tunnel and Reservoir Plan (TARP)]
Generated description
The Tunnel and Reservoir Plan (TARP), also known as Chicago’s Deep Tunnel project, is a massive civil engineering and flood-control system designed to capture and store stormwater and sewage to reduce flooding and water pollution in the Chicago metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tunnel and Reservoir Plan (TARP)
Target entity description: The Tunnel and Reservoir Plan (TARP), also known as Chicago’s Deep Tunnel project, is a massive civil engineering and flood-control system designed to capture and store stormwater and sewage to reduce flooding and water pollution in the Chicago metropolitan area.
  • A. Central Artery/Tunnel Project
    The Central Artery/Tunnel Project, commonly known as the "Big Dig," was a massive Boston infrastructure megaproject that rerouted the city’s central highway into tunnels to reduce congestion and reclaim urban space.
  • B. New York City Water Tunnel No. 3
    New York City Water Tunnel No. 3 is a massive, long-term infrastructure project designed to modernize and provide redundancy to New York City’s drinking water distribution network.
  • C. New York City Water Tunnel No. 2
    New York City Water Tunnel No. 2 is a major underground aqueduct that transports drinking water from upstate reservoirs to the city as part of its extensive water distribution network.
  • D. 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.
  • E. New York City water tunnels
    New York City water tunnels are a vast underground aqueduct system that conveys drinking water from upstate reservoirs to the city’s distribution network.
  • 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_69d8838f242881908abd8bc138795886 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e38748f538819097de1fdee9b42f34 completed April 18, 2026, 1:29 p.m.
NED1 Entity disambiguation (via context triple) batch_6a009d4627b8819087bbd3ae85a67dfc completed May 10, 2026, 2:59 p.m.
NEDg Description generation batch_6a009e1aa6548190b77def9f74d3272a completed May 10, 2026, 3:02 p.m.
NED2 Entity disambiguation (via description) batch_6a009eb06d6481909914286301f9b4db completed May 10, 2026, 3:05 p.m.
Created at: April 10, 2026, 5:20 a.m.