Triple

T20755595
Position Surface form Disambiguated ID Type / Status
Subject Santa Fe main line via New Mexico E510835 entity
Predicate usedBy P260 FINISHED
Object El Capitan (ATSF train)
El Capitan (ATSF train) was a streamlined, all-coach passenger train operated by the Atchison, Topeka and Santa Fe Railway between Chicago and Los Angeles, known for its fast service and distinctive high-level cars.
E1448149 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: El Capitan (ATSF train) | Statement: [Santa Fe main line via New Mexico, usedBy, El Capitan (ATSF train)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: El Capitan (ATSF train)
Context triple: [Santa Fe main line via New Mexico, usedBy, El Capitan (ATSF train)]
  • A. Sierra Railway of California
    The Sierra Railway of California is a historic short-line railroad famed for serving the Gold Country region and for its frequent use as a filming location in Western movies and television shows.
  • B. Central Pacific Railroad No. 173
    Central Pacific Railroad No. 173 was a 19th-century steam locomotive whose design and appearance helped inspire the look of Disneyland’s C.K. Holliday engine.
  • C. Great Overland Station
    Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
  • D. Union Pacific Overland Route
    The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
  • E. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • 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: El Capitan (ATSF train)
Triple: [Santa Fe main line via New Mexico, usedBy, El Capitan (ATSF train)]
Generated description
El Capitan (ATSF train) was a streamlined, all-coach passenger train operated by the Atchison, Topeka and Santa Fe Railway between Chicago and Los Angeles, known for its fast service and distinctive high-level cars.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: El Capitan (ATSF train)
Target entity description: El Capitan (ATSF train) was a streamlined, all-coach passenger train operated by the Atchison, Topeka and Santa Fe Railway between Chicago and Los Angeles, known for its fast service and distinctive high-level cars.
  • A. Sierra Railway of California
    The Sierra Railway of California is a historic short-line railroad famed for serving the Gold Country region and for its frequent use as a filming location in Western movies and television shows.
  • B. Central Pacific Railroad No. 173
    Central Pacific Railroad No. 173 was a 19th-century steam locomotive whose design and appearance helped inspire the look of Disneyland’s C.K. Holliday engine.
  • C. Great Overland Station
    Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
  • D. Union Pacific Overland Route
    The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
  • E. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • 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_69e0b4c909ec8190b05987f1639513f6 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c22fbc4c8190866a888612c6ad23 completed April 21, 2026, 12:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08e84a82308190b3c146c79549dba4 completed May 16, 2026, 9:57 p.m.
NEDg Description generation batch_6a08e8df60c88190803590abd75b3e43 completed May 16, 2026, 9:59 p.m.
NED2 Entity disambiguation (via description) batch_6a08e95f05088190b5934f067c5dd7b7 completed May 16, 2026, 10:02 p.m.
Created at: April 16, 2026, 12:34 p.m.