Triple

T16817775
Position Surface form Disambiguated ID Type / Status
Subject Amtrak San Joaquins at Richmond station E408797 entity
Predicate hasConnection P8776 FINISHED
Object Amtrak Capitol Corridor at Richmond station E406092 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: Amtrak Capitol Corridor at Richmond station | Statement: [Amtrak San Joaquins at Richmond station, hasConnection, Amtrak Capitol Corridor at Richmond station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amtrak Capitol Corridor at Richmond station
Context triple: [Amtrak San Joaquins at Richmond station, hasConnection, Amtrak Capitol Corridor at Richmond station]
  • A. Amtrak Capitol Corridor at Richmond station chosen
    The Amtrak Capitol Corridor at Richmond station is a key intercity rail service stop in Richmond, California, providing regional passenger connections between the Bay Area and Sacramento Valley.
  • B. Amtrak San Joaquins at Richmond station
    Amtrak San Joaquins at Richmond station is a regional intercity passenger rail service stop in Richmond, California, providing connections between the San Joaquin Valley and the San Francisco Bay Area.
  • C. Amtrak Capitol Corridor stations
    Amtrak Capitol Corridor stations are passenger rail stops along the Capitol Corridor route in Northern California, serving key cities between Auburn/Sacramento and San Jose with regional intercity train service.
  • D. Amtrak at Back Bay station
    Amtrak at Back Bay station refers to the intercity passenger rail services, including routes like the Northeast Regional and Acela, that stop at Boston’s centrally located Back Bay transportation hub.
  • E. Amtrak Auto Train terminal
    The Amtrak Auto Train terminal in Sanford, Florida is the southern terminus of Amtrak’s Auto Train service, where passengers and their vehicles are loaded for rail transport to and from the Washington, D.C. area.
  • 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_69d88394566c8190b3dcbdc72935f7fa completed April 10, 2026, 4:59 a.m.
NER Named-entity recognition batch_69e3b2e30cf48190a61936ba0a49df24 completed April 18, 2026, 4:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00b297778c81909a2545c359739151 completed May 10, 2026, 4:30 p.m.
Created at: April 10, 2026, 5:23 a.m.