Triple

T5036816
Position Surface form Disambiguated ID Type / Status
Subject Moffat Tunnel route E113445 entity
Predicate usesStructure P3097 FINISHED
Object Moffat Tunnel
The Moffat Tunnel is a major railroad and water tunnel that cuts through the Continental Divide in Colorado, providing a crucial transportation and utility link between the Denver area and the western slope of the Rocky Mountains.
E489928 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 | Statement: [Moffat Tunnel route, usesStructure, Moffat Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Moffat Tunnel
Context triple: [Moffat Tunnel route, usesStructure, Moffat Tunnel]
  • A. Malpas Tunnel
    Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
  • 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. Blisworth Tunnel
    Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
  • E. Braunston Tunnel
    Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal 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: Moffat Tunnel
Triple: [Moffat Tunnel route, usesStructure, Moffat Tunnel]
Generated description
The Moffat Tunnel is a major railroad and water tunnel that cuts through the Continental Divide in Colorado, providing a crucial transportation and utility link between the Denver area and the western slope of the Rocky Mountains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Moffat Tunnel
Target entity description: The Moffat Tunnel is a major railroad and water tunnel that cuts through the Continental Divide in Colorado, providing a crucial transportation and utility link between the Denver area and the western slope of the Rocky Mountains.
  • A. Malpas Tunnel
    Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
  • 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. Blisworth Tunnel
    Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
  • E. Braunston Tunnel
    Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal 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_69bd44384298819089c49e7c330ec7b8 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd73bb069c8190af86f1b2f95f3d95 completed March 20, 2026, 4:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69bea479f01c8190a84ff4973845eb17 completed March 21, 2026, 2 p.m.
NEDg Description generation batch_69bea525d9088190b0b655687dd27630 completed March 21, 2026, 2:03 p.m.
NED2 Entity disambiguation (via description) batch_69bea594850881909cd683670b63a079 completed March 21, 2026, 2:05 p.m.
Created at: March 20, 2026, 1:37 p.m.