Triple

T18520773
Position Surface form Disambiguated ID Type / Status
Subject USRA 0-6-0 switcher E452575 entity
Predicate category P87 FINISHED
Object USRA standard switcher
The USRA standard switcher was a class of steam-powered yard locomotives designed under the United States Railroad Administration for efficient switching and short-haul duties across multiple American railroads.
E121798 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: USRA standard switcher | Statement: [USRA 0-6-0 switcher, category, USRA standard switcher]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA standard switcher
Context triple: [USRA 0-6-0 switcher, category, USRA standard switcher]
  • A. USRA
    USRA is the commonly used acronym for the United States Railroad Administration, the U.S. government agency that temporarily nationalized and operated railroads during World War I.
  • B. GP (General Purpose) road switchers
    GP (General Purpose) road switchers are a widely used series of versatile diesel-electric locomotives designed for both road and switching service, produced by Electro-Motive Division and its successors.
  • C. Omni-Path switch
    An Omni-Path switch is a high-performance network device used to interconnect nodes in Omni-Path Architecture–based supercomputing and data center environments, providing low-latency, high-bandwidth communication.
  • D. USBR
    USBR is the United States Bureau of Reclamation, a federal agency responsible for managing water resources and operating dams, power plants, and irrigation projects in the American West.
  • E. 5ESS switch
    The 5ESS switch is a digital telecommunications switching system widely deployed by telephone companies to route voice and data traffic in public switched telephone networks.
  • 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: USRA standard switcher
Triple: [USRA 0-6-0 switcher, category, USRA standard switcher]
Generated description
The USRA standard switcher was a class of steam-powered yard locomotives designed under the United States Railroad Administration for efficient switching and short-haul duties across multiple American railroads.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: USRA standard switcher
Target entity description: The USRA standard switcher was a class of steam-powered yard locomotives designed under the United States Railroad Administration for efficient switching and short-haul duties across multiple American railroads.
  • A. USRA chosen
    USRA is the commonly used acronym for the United States Railroad Administration, the U.S. government agency that temporarily nationalized and operated railroads during World War I.
  • B. GP (General Purpose) road switchers
    GP (General Purpose) road switchers are a widely used series of versatile diesel-electric locomotives designed for both road and switching service, produced by Electro-Motive Division and its successors.
  • C. Omni-Path switch
    An Omni-Path switch is a high-performance network device used to interconnect nodes in Omni-Path Architecture–based supercomputing and data center environments, providing low-latency, high-bandwidth communication.
  • D. USBR
    USBR is the United States Bureau of Reclamation, a federal agency responsible for managing water resources and operating dams, power plants, and irrigation projects in the American West.
  • E. 5ESS switch
    The 5ESS switch is a digital telecommunications switching system widely deployed by telephone companies to route voice and data traffic in public switched telephone networks.
  • 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_69d8d386df84819092355ebb260d848e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e5338db5e4819086503a2176dfe499 completed April 19, 2026, 7:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0491719490819090c39b4ca8973077 completed May 13, 2026, 2:57 p.m.
NEDg Description generation batch_6a0492b3bb048190af9b28f3a1d89d7b completed May 13, 2026, 3:03 p.m.
NED2 Entity disambiguation (via description) batch_6a049393db308190be7428a534c83ff9 completed May 13, 2026, 3:07 p.m.
Created at: April 10, 2026, 11:37 a.m.