Triple

T12709812
Position Surface form Disambiguated ID Type / Status
Subject Amtrak services at Los Angeles Union Station E303686 entity
Predicate railLine P848 FINISHED
Object Sunset Limited E5636 NE FINISHED

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: Sunset Limited | Statement: [Amtrak services at Los Angeles Union Station, railLine, Sunset Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sunset Limited
Context triple: [Amtrak services at Los Angeles Union Station, railLine, Sunset Limited]
  • A. Sunset Limited chosen
    Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
  • B. North Coast Limited
    The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
  • C. Piedmont Limited
    The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
  • D. Overland Limited
    The Overland Limited was a premier American transcontinental passenger train that operated between Chicago and San Francisco, symbolizing luxury rail travel across the western United States in the late 19th and early 20th centuries.
  • E. Oriental Limited
    Oriental Limited was a premier named passenger train that provided luxury long-distance service on the Great Northern Railway in the early 20th century.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d7bdf084148190ab9d513dc0735af4 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96207b2d881908314efc3e350aa78 completed April 10, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f671b8f43081909d4a8e4241c813a1 completed May 2, 2026, 9:50 p.m.
Created at: April 9, 2026, 5:23 p.m.