Triple

T20179257
Position Surface form Disambiguated ID Type / Status
Subject Chicago–Twin Cities route E492680 entity
Predicate partOf P40 FINISHED
Object Chicago–Pacific Coast passenger rail network NE NERFINISHED

How this triple was built (3 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–Pacific Coast passenger rail network | Statement: [Chicago–Twin Cities route, partOf, Chicago–Pacific Coast passenger rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago–Pacific Coast passenger rail network
Context triple: [Chicago–Twin Cities route, partOf, Chicago–Pacific Coast passenger rail network]
  • A. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • B. 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.
  • C. 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.
  • D. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • E. SP Coast Line between Los Angeles and San Francisco
    The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Pacific Coast passenger rail network
Target entity description: 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.
  • A. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • B. 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.
  • C. 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.
  • D. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • E. SP Coast Line between Los Angeles and San Francisco
    The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
  • F. None of above. chosen

Provenance (2 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_69da6268a034819081cbd9ea5a1c9475 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e668ed07c8819091bd9ffda237a91c completed April 20, 2026, 5:57 p.m.
Created at: April 11, 2026, 11:36 p.m.