Triple

T22052589
Position Surface form Disambiguated ID Type / Status
Subject Vancouver Pacific Central Station E544920 entity
Predicate connectsTo P845 FINISHED
Object Amtrak Cascades route to Seattle E180103 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 Cascades route to Seattle | Statement: [Vancouver Pacific Central Station, connectsTo, Amtrak Cascades route to Seattle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Cascades route to Seattle
Context triple: [Vancouver Pacific Central Station, connectsTo, Amtrak Cascades route to Seattle]
  • A. Amtrak Cascades chosen
    Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
  • B. 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.
  • C. Amtrak Silver Star route
    The Amtrak Silver Star route is a long-distance passenger train service running between New York City and Miami, providing intercity rail connections along the U.S. East Coast and through central Florida.
  • D. Empire Corridor
    The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
  • E. Keystone–Port Townsend route
    The Keystone–Port Townsend route is a Washington State Ferries service crossing Admiralty Inlet to connect Whidbey Island with the town of Port Townsend on the Olympic Peninsula.
  • 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_69e11e3377c48190890c17407b9527d6 completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1285513fc8190b691e1f57085956f completed April 28, 2026, 9:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a7b7b3ccc8190a4d8728b135aa22d completed May 18, 2026, 2:37 a.m.
Created at: April 16, 2026, 8:26 p.m.