Triple

T18907090
Position Surface form Disambiguated ID Type / Status
Subject Gilbert Stanley Underwood E462489 entity
Predicate notableWork P4 FINISHED
Object Union Pacific railroad stations and depots
Union Pacific railroad stations and depots are a series of architecturally distinctive train facilities in the American West, many designed in grand historicist styles that symbolized the prominence and reach of the Union Pacific Railroad.
E464150 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: Union Pacific railroad stations and depots | Statement: [Gilbert Stanley Underwood, notableWork, Union Pacific railroad stations and depots]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific railroad stations and depots
Context triple: [Gilbert Stanley Underwood, notableWork, Union Pacific railroad stations and depots]
  • A. BNSF Railway facilities
    BNSF Railway facilities in Pittsburg, California are rail infrastructure and operational sites used by the BNSF Railway Company for freight transportation and logistics in the region.
  • B. Railroad stations for the Atchison, Topeka and Santa Fe Railway
    Railroad stations for the Atchison, Topeka and Santa Fe Railway are architecturally significant train depots designed for the historic American railroad network that connected the Midwest with the Southwest and Pacific Coast.
  • C. Union Pacific mainline routes
    Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
  • D. Union Pacific Depot
    Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
  • E. Union Pacific Yard
    Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
  • 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: Union Pacific railroad stations and depots
Triple: [Gilbert Stanley Underwood, notableWork, Union Pacific railroad stations and depots]
Generated description
Union Pacific railroad stations and depots are a series of architecturally distinctive train facilities in the American West, many designed in grand historicist styles that symbolized the prominence and reach of the Union Pacific Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Pacific railroad stations and depots
Target entity description: Union Pacific railroad stations and depots are a series of architecturally distinctive train facilities in the American West, many designed in grand historicist styles that symbolized the prominence and reach of the Union Pacific Railroad.
  • A. BNSF Railway facilities
    BNSF Railway facilities in Pittsburg, California are rail infrastructure and operational sites used by the BNSF Railway Company for freight transportation and logistics in the region.
  • B. Railroad stations for the Atchison, Topeka and Santa Fe Railway
    Railroad stations for the Atchison, Topeka and Santa Fe Railway are architecturally significant train depots designed for the historic American railroad network that connected the Midwest with the Southwest and Pacific Coast.
  • C. Union Pacific mainline routes
    Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
  • D. Union Pacific Depot chosen
    Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
  • E. Union Pacific Yard
    Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
  • F. None of above.

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_69d8dcfd05bc819088903cca13cc2846 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c52dcb948190a5b6a783512bf7d6 completed April 20, 2026, 6:18 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0582c196888190aa49b219aedb06e2 completed May 14, 2026, 8:07 a.m.
NEDg Description generation batch_6a05890d8a1c819081ad3d12ea9c4d5e completed May 14, 2026, 8:34 a.m.
NED2 Entity disambiguation (via description) batch_6a0589a3c0c08190be4b6dd6e9a56fdb completed May 14, 2026, 8:36 a.m.
Created at: April 10, 2026, 11:58 a.m.