Triple

T5942324
Position Surface form Disambiguated ID Type / Status
Subject Ole Singstad E132195 entity
Predicate notableWork P4 FINISHED
Object Holland Tunnel ventilation system
The Holland Tunnel ventilation system is a pioneering early 20th-century engineering design that safely removes vehicle exhaust from the tunnel using a network of powerful fans and vertical shafts, enabling modern underwater vehicular tunnels.
 E557068 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: Holland Tunnel ventilation system | Statement: [Ole Singstad, notableWork, Holland Tunnel ventilation system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Holland Tunnel ventilation system
Context triple: [Ole Singstad, notableWork, Holland Tunnel ventilation system]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Hudson River tunnels
    The Hudson River tunnels are a pair of early 20th-century rail tunnels beneath the Hudson River that carry Amtrak and NJ Transit trains between New Jersey and New York City’s Penn Station.
  • E. New York City Water Tunnel No. 1
    New York City Water Tunnel No. 1 is a major underground aqueduct that transports drinking water from upstate reservoirs to New York City.
  • 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: Holland Tunnel ventilation system
Triple: [Ole Singstad, notableWork, Holland Tunnel ventilation system]
Generated description
The Holland Tunnel ventilation system is a pioneering early 20th-century engineering design that safely removes vehicle exhaust from the tunnel using a network of powerful fans and vertical shafts, enabling modern underwater vehicular tunnels.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Holland Tunnel ventilation system
Target entity description: The Holland Tunnel ventilation system is a pioneering early 20th-century engineering design that safely removes vehicle exhaust from the tunnel using a network of powerful fans and vertical shafts, enabling modern underwater vehicular tunnels.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Hudson River tunnels
    The Hudson River tunnels are a pair of early 20th-century rail tunnels beneath the Hudson River that carry Amtrak and NJ Transit trains between New Jersey and New York City’s Penn Station.
  • E. New York City Water Tunnel No. 1
    New York City Water Tunnel No. 1 is a major underground aqueduct that transports drinking water from upstate reservoirs to New York City.
  • 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_69c00869d3308190af89b2453e0f7546 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c039346a7c81908d94081b666e1d79 completed March 22, 2026, 6:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0c07f9ab081909fe7727837fa7f7a completed March 23, 2026, 4:24 a.m.
NEDg Description generation batch_69c0c1bf78908190933360b1099b1444 completed March 23, 2026, 4:29 a.m.
NED2 Entity disambiguation (via description) batch_69c0c240c3ac8190895c621c3d326bfd completed March 23, 2026, 4:32 a.m.
Created at: March 22, 2026, 4:01 p.m.