Triple

T23317421
Position Surface form Disambiguated ID Type / Status
Subject Amtrak corridor services E590746 entity
Predicate includesServiceBrand P34842 FINISHED
Object Pacific Surfliner NE NERFINISHED

How this triple was built (2 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: Pacific Surfliner | Statement: [Amtrak corridor services, includesServiceBrand, Pacific Surfliner]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pacific Surfliner
Context triple: [Amtrak corridor services, includesServiceBrand, Pacific Surfliner]
  • A. Pacific Surfliner route chosen
    The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.
  • B. 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.
  • 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. Amtrak Coast Starlight
    The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
  • 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.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e25d1d32188190948eb76909d1dcc3 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f197828c408190ae071624e40de4cc completed April 29, 2026, 5:30 a.m.
Created at: April 17, 2026, 5:06 p.m.