Triple

T19531545
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific Moffat Subdivision E488666 entity
Predicate passesThrough P225 FINISHED
Object Moffat Tunnel route under the Continental Divide
The Moffat Tunnel route under the Continental Divide is a key transcontinental rail corridor in Colorado that carries trains through a long mountain tunnel beneath the Rocky Mountains, providing a vital east–west passage for freight and passenger service.
E1381492 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: Moffat Tunnel route under the Continental Divide | Statement: [Union Pacific Moffat Subdivision, passesThrough, Moffat Tunnel route under the Continental Divide]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Moffat Tunnel route under the Continental Divide
Context triple: [Union Pacific Moffat Subdivision, passesThrough, Moffat Tunnel route under the Continental Divide]
  • A. Rollins Pass route over the Continental Divide
    The Rollins Pass route over the Continental Divide was a high-altitude, winding railroad line in Colorado known for its challenging grades, severe weather, and historic engineering feats before being superseded by the Moffat Tunnel.
  • B. Patterson Pass Tunnel
    Patterson Pass Tunnel is a key water conveyance tunnel in California that carries supplies for the State Water Project’s South Bay Aqueduct through the Diablo Range.
  • C. Bosley Tunnel
    Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
  • D. Robertson Tunnel
    Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
  • E. Colinton Tunnel
    Colinton Tunnel is a historic former railway tunnel in the Colinton area of Edinburgh, Scotland, now renowned for its large-scale mural artworks and community-led regeneration as a public art space.
  • 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: Moffat Tunnel route under the Continental Divide
Triple: [Union Pacific Moffat Subdivision, passesThrough, Moffat Tunnel route under the Continental Divide]
Generated description
The Moffat Tunnel route under the Continental Divide is a key transcontinental rail corridor in Colorado that carries trains through a long mountain tunnel beneath the Rocky Mountains, providing a vital east–west passage for freight and passenger service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Moffat Tunnel route under the Continental Divide
Target entity description: The Moffat Tunnel route under the Continental Divide is a key transcontinental rail corridor in Colorado that carries trains through a long mountain tunnel beneath the Rocky Mountains, providing a vital east–west passage for freight and passenger service.
  • A. Rollins Pass route over the Continental Divide
    The Rollins Pass route over the Continental Divide was a high-altitude, winding railroad line in Colorado known for its challenging grades, severe weather, and historic engineering feats before being superseded by the Moffat Tunnel.
  • B. Patterson Pass Tunnel
    Patterson Pass Tunnel is a key water conveyance tunnel in California that carries supplies for the State Water Project’s South Bay Aqueduct through the Diablo Range.
  • C. Bosley Tunnel
    Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
  • D. Robertson Tunnel
    Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
  • E. Colinton Tunnel
    Colinton Tunnel is a historic former railway tunnel in the Colinton area of Edinburgh, Scotland, now renowned for its large-scale mural artworks and community-led regeneration as a public art space.
  • 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_69d8e8db5b6c8190984b61f91981f575 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e6363fd1f8819080805346efad2579 completed April 20, 2026, 2:20 p.m.
NED1 Entity disambiguation (via context triple) batch_6a074e7b52d88190b0e095ce39d7a003 completed May 15, 2026, 4:48 p.m.
NEDg Description generation batch_6a074f6d79b88190a0b8442af2be0ed1 completed May 15, 2026, 4:53 p.m.
NED2 Entity disambiguation (via description) batch_6a074fed47bc8190b1a78dcc50345ca4 completed May 15, 2026, 4:55 p.m.
Created at: April 10, 2026, 1:41 p.m.