Triple

T21392215
Position Surface form Disambiguated ID Type / Status
Subject Robert C. Reamer E527682 entity
Predicate notableWork P4 FINISHED
Object Union Pacific Railroad depots and related structures
Union Pacific Railroad depots and related structures are historic train stations and associated railway buildings designed for the Union Pacific Railroad, many of which are noted for their distinctive early 20th-century American architectural styles.
E1482204 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 depots and related structures | Statement: [Robert C. Reamer, notableWork, Union Pacific Railroad depots and related structures]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad depots and related structures
Context triple: [Robert C. Reamer, notableWork, Union Pacific Railroad depots and related structures]
  • A. 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.
  • B. Southern Pacific Railroad Depot
    Southern Pacific Railroad Depot was a historic train station in San Antonio, Texas, that served as a major hub for Southern Pacific passenger and freight rail service before being superseded by the current San Antonio station.
  • C. 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.
  • D. 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.
  • E. Kelso Depot
    Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
  • 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 depots and related structures
Triple: [Robert C. Reamer, notableWork, Union Pacific Railroad depots and related structures]
Generated description
Union Pacific Railroad depots and related structures are historic train stations and associated railway buildings designed for the Union Pacific Railroad, many of which are noted for their distinctive early 20th-century American architectural styles.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad depots and related structures
Target entity description: Union Pacific Railroad depots and related structures are historic train stations and associated railway buildings designed for the Union Pacific Railroad, many of which are noted for their distinctive early 20th-century American architectural styles.
  • A. 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.
  • B. Southern Pacific Railroad Depot
    Southern Pacific Railroad Depot was a historic train station in San Antonio, Texas, that served as a major hub for Southern Pacific passenger and freight rail service before being superseded by the current San Antonio station.
  • C. 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.
  • D. 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.
  • E. Kelso Depot
    Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
  • 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_69e0b51ff3748190935c0a513c62a12b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69ee62cd30f08190aba90afed6116a2a completed April 26, 2026, 7:09 p.m.
NED1 Entity disambiguation (via context triple) batch_6a09bb481ba48190b6d21a51ae23a281 completed May 17, 2026, 12:57 p.m.
NEDg Description generation batch_6a09bea3994481908b7a782fd384603a completed May 17, 2026, 1:12 p.m.
NED2 Entity disambiguation (via description) batch_6a09bfa27d848190bb77d632359a11b3 completed May 17, 2026, 1:16 p.m.
Created at: April 16, 2026, 5:13 p.m.