Triple

T22672612
Position Surface form Disambiguated ID Type / Status
Subject Atchison, Topeka and Santa Fe Railway E560257 entity
Predicate knownFor P22 FINISHED
Object Chicago–Los Angeles passenger service
The Chicago–Los Angeles passenger service was a famed long-distance rail route operated by the Atchison, Topeka and Santa Fe Railway, connecting the Midwest to Southern California and symbolizing the golden age of American passenger trains.
E1548714 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: Chicago–Los Angeles passenger service | Statement: [Atchison, Topeka and Santa Fe Railway, knownFor, Chicago–Los Angeles passenger service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago–Los Angeles passenger service
Context triple: [Atchison, Topeka and Santa Fe Railway, knownFor, Chicago–Los Angeles passenger service]
  • A. Chicago–Pacific Coast passenger rail network
    The Chicago–Pacific Coast passenger rail network was a historic system of long-distance train routes that linked Chicago with major cities along the U.S. West Coast, serving as a key transcontinental passenger corridor.
  • B. Southern Pacific Sunset Route
    The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
  • C. 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.
  • D. West Coast Line
    The West Coast Line is a major Malaysian railway corridor running along the country’s western seaboard, connecting key cities and towns on the peninsula.
  • E. West Coast Line
    The West Coast Line is a major Swedish railway route running along the country's western coast, connecting key cities such as Gothenburg and Malmö.
  • 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: Chicago–Los Angeles passenger service
Triple: [Atchison, Topeka and Santa Fe Railway, knownFor, Chicago–Los Angeles passenger service]
Generated description
The Chicago–Los Angeles passenger service was a famed long-distance rail route operated by the Atchison, Topeka and Santa Fe Railway, connecting the Midwest to Southern California and symbolizing the golden age of American passenger trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Los Angeles passenger service
Target entity description: The Chicago–Los Angeles passenger service was a famed long-distance rail route operated by the Atchison, Topeka and Santa Fe Railway, connecting the Midwest to Southern California and symbolizing the golden age of American passenger trains.
  • A. Chicago–Pacific Coast passenger rail network
    The Chicago–Pacific Coast passenger rail network was a historic system of long-distance train routes that linked Chicago with major cities along the U.S. West Coast, serving as a key transcontinental passenger corridor.
  • B. Southern Pacific Sunset Route
    The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
  • C. 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.
  • D. West Coast Line
    The West Coast Line is a major Malaysian railway corridor running along the country’s western seaboard, connecting key cities and towns on the peninsula.
  • E. West Coast Line
    The West Coast Line is a major Swedish railway route running along the country's western coast, connecting key cities such as Gothenburg and Malmö.
  • 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_69e2454bfd00819099115715a22cb057 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f17821daf88190b18a73a222fc22fb completed April 29, 2026, 3:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b73ed2d588190a9d9382c11fbb1a5 completed May 18, 2026, 8:17 p.m.
NEDg Description generation batch_6a0b7505c99081908a9faac30451e6e8 completed May 18, 2026, 8:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0b761510b48190a09722be3fca7e93 completed May 18, 2026, 8:27 p.m.
Created at: April 17, 2026, 3:10 p.m.