Triple

T9414275
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Wilmington/Newark Line E226974 entity
Predicate sharesTracksWith P5071 FINISHED
Object Amtrak Northeast Corridor trains E220792 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 Northeast Corridor trains | Statement: [SEPTA Wilmington/Newark Line, sharesTracksWith, Amtrak Northeast Corridor trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Northeast Corridor trains
Context triple: [SEPTA Wilmington/Newark Line, sharesTracksWith, Amtrak Northeast Corridor trains]
  • A. Amtrak Northeast Regional
    Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
  • B. Amtrak Northeast Corridor routes chosen
    Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
  • C. Amtrak Acela
    Amtrak Acela is Amtrak’s high-speed train service in the Northeast Corridor, offering its fastest and most premium intercity rail travel between major cities like Boston, New York, and Washington, D.C.
  • D. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • E. Amtrak Ethan Allen Express
    The Amtrak Ethan Allen Express is an intercity passenger train service that operates between New York City and Vermont, providing a key rail connection through the Hudson Valley and upstate New York.
  • 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_69ca84359e7c819091148ba4b670e436 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd68c680e48190be82e3829e8711f0 completed April 1, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69d11026b8688190b958ca65dae2d588 completed April 4, 2026, 1:20 p.m.
Created at: March 30, 2026, 7:47 p.m.