Triple

T5902732
Position Surface form Disambiguated ID Type / Status
Subject First Coen Tunnel E131265 entity
Predicate hasAlternativeName P39 FINISHED
Object Coentunnel (original tube)
Coentunnel (original tube) is the first bore of Amsterdam’s Coen Tunnel, a key road tunnel under the North Sea Canal that has long served as a major traffic artery in the region.
 E554648 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: Coentunnel (original tube) | Statement: [First Coen Tunnel, hasAlternativeName, Coentunnel (original tube)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coentunnel (original tube)
Context triple: [First Coen Tunnel, hasAlternativeName, Coentunnel (original tube)]
  • A. Bruce Tunnel
    Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
  • B. Caldecott Tunnel
    The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
  • C. Cosgrove Tunnel
    Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
  • D. City Tunnel No. 1
    City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
  • E. Dartford Tunnel
    The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
  • 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: Coentunnel (original tube)
Triple: [First Coen Tunnel, hasAlternativeName, Coentunnel (original tube)]
Generated description
Coentunnel (original tube) is the first bore of Amsterdam’s Coen Tunnel, a key road tunnel under the North Sea Canal that has long served as a major traffic artery in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Coentunnel (original tube)
Target entity description: Coentunnel (original tube) is the first bore of Amsterdam’s Coen Tunnel, a key road tunnel under the North Sea Canal that has long served as a major traffic artery in the region.
  • A. Bruce Tunnel
    Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
  • B. Caldecott Tunnel
    The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
  • C. Cosgrove Tunnel
    Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
  • D. City Tunnel No. 1
    City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
  • E. Dartford Tunnel
    The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
  • 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_69c0085864a88190a569c05ff7d65f29 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c03735e6f8819084eded3b45f5e4ed completed March 22, 2026, 6:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0b166b0bc8190a201899cf45a9b31 completed March 23, 2026, 3:20 a.m.
NEDg Description generation batch_69c0b27438a08190ab6b72c8fd682bf6 completed March 23, 2026, 3:24 a.m.
NED2 Entity disambiguation (via description) batch_69c0b309a70081908ad3e819879b17e4 completed March 23, 2026, 3:27 a.m.
Created at: March 22, 2026, 3:58 p.m.