Triple

T12367905
Position Surface form Disambiguated ID Type / Status
Subject Cities Sprinter E294918 entity
Predicate replaced P101 FINISHED
Object AEM-7 locomotives
AEM-7 locomotives were a class of high-speed electric passenger locomotives widely used by Amtrak and several commuter railroads in the United States from the late 1970s through the early 21st century.
 E978074 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: AEM-7 locomotives | Statement: [Cities Sprinter, replaced, AEM-7 locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: AEM-7 locomotives
Context triple: [Cities Sprinter, replaced, AEM-7 locomotives]
  • A. GE Dash 7 series locomotives
    GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
  • B. EMC/EMD diesel locomotives
    EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
  • C. EMD DM30AC locomotives
    EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
  • D. 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.
  • E. EMD GP7 locomotive
    The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
  • 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: AEM-7 locomotives
Triple: [Cities Sprinter, replaced, AEM-7 locomotives]
Generated description
AEM-7 locomotives were a class of high-speed electric passenger locomotives widely used by Amtrak and several commuter railroads in the United States from the late 1970s through the early 21st century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: AEM-7 locomotives
Target entity description: AEM-7 locomotives were a class of high-speed electric passenger locomotives widely used by Amtrak and several commuter railroads in the United States from the late 1970s through the early 21st century.
  • A. GE Dash 7 series locomotives
    GE Dash 7 series locomotives are a family of diesel-electric freight and passenger locomotives built by General Electric in the late 1970s and 1980s, known for their improved performance and reliability over the earlier Universal Series.
  • B. EMC/EMD diesel locomotives
    EMC/EMD diesel locomotives are a family of North American diesel-electric engines built by Electro-Motive Corporation/Division that played a major role in replacing steam power on many railroads.
  • C. EMD DM30AC locomotives
    EMD DM30AC locomotives are dual-mode diesel-electric locomotives built for the Long Island Rail Road, capable of operating in both diesel and third-rail electric modes to serve non-electrified and electrified territory.
  • D. 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.
  • E. EMD GP7 locomotive
    The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
  • 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_69d6ab6d8a4081908636601e69ddf262 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93fa502988190ba170dee90d9f394 completed April 10, 2026, 6:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62abdad1c8190b083791d60138f2a completed May 2, 2026, 4:47 p.m.
NEDg Description generation batch_69f62be4de888190aac94d441748d295 completed May 2, 2026, 4:52 p.m.
NED2 Entity disambiguation (via description) batch_69f62d4d0b8881908aa6b67db7d14609 completed May 2, 2026, 4:58 p.m.
Created at: April 8, 2026, 9:54 p.m.