Triple

T20748281
Position Surface form Disambiguated ID Type / Status
Subject EMD SD70 series locomotives E510645 entity
Predicate hasVariant P455 FINISHED
Object EMD SD70M
The EMD SD70M is a high-horsepower, six-axle diesel-electric freight locomotive built by Electro-Motive Diesel, widely used by North American railroads for heavy mainline service.
E510645 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: EMD SD70M | Statement: [EMD SD70 series locomotives, hasVariant, EMD SD70M]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: EMD SD70M
Context triple: [EMD SD70 series locomotives, hasVariant, EMD SD70M]
  • A. EMD SD50
    The EMD SD50 is a six-axle, high-horsepower diesel-electric freight locomotive introduced by Electro-Motive Division in the 1980s as part of its SD-series lineup.
  • B. EMD GP7
    The EMD GP7 is a four-axle road switcher diesel-electric locomotive introduced in the late 1940s that became one of Electro-Motive Division’s most successful and widely used early road switcher designs in North America.
  • C. EMD SD9
    The EMD SD9 is a six-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division in the 1950s, widely used by North American railroads for heavy freight service.
  • D. EMD GP40-2H
    The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
  • E. EMD SD70 series locomotives
    The EMD SD70 series locomotives are a family of high-horsepower, six-axle diesel-electric freight locomotives widely used by North American railroads since the 1990s for heavy mainline service.
  • 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: EMD SD70M
Triple: [EMD SD70 series locomotives, hasVariant, EMD SD70M]
Generated description
The EMD SD70M is a high-horsepower, six-axle diesel-electric freight locomotive built by Electro-Motive Diesel, widely used by North American railroads for heavy mainline service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: EMD SD70M
Target entity description: The EMD SD70M is a high-horsepower, six-axle diesel-electric freight locomotive built by Electro-Motive Diesel, widely used by North American railroads for heavy mainline service.
  • A. EMD SD50
    The EMD SD50 is a six-axle, high-horsepower diesel-electric freight locomotive introduced by Electro-Motive Division in the 1980s as part of its SD-series lineup.
  • B. EMD GP7
    The EMD GP7 is a four-axle road switcher diesel-electric locomotive introduced in the late 1940s that became one of Electro-Motive Division’s most successful and widely used early road switcher designs in North America.
  • C. EMD SD9
    The EMD SD9 is a six-axle diesel-electric road switcher locomotive built by General Motors’ Electro-Motive Division in the 1950s, widely used by North American railroads for heavy freight service.
  • D. EMD GP40-2H
    The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
  • E. EMD SD70 series locomotives chosen
    The EMD SD70 series locomotives are a family of high-horsepower, six-axle diesel-electric freight locomotives widely used by North American railroads since the 1990s for heavy mainline service.
  • 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_69e0b4c845e88190b4c5f3ae79291182 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c226fbf881909794eff3ee9e206b completed April 21, 2026, 12:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08f8adc1308190b302f19106de7edb completed May 16, 2026, 11:07 p.m.
NEDg Description generation batch_6a08f9deb9248190af178b5c28728e00 completed May 16, 2026, 11:12 p.m.
NED2 Entity disambiguation (via description) batch_6a08fa80202c8190929f8f1b47d6fae4 completed May 16, 2026, 11:15 p.m.
Created at: April 16, 2026, 12:33 p.m.