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.