Triple

T164754
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Railroad E2987 entity
Predicate notableTrainService P1669 FINISHED
Object Congressional Limited Express E9235 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: Congressional Limited Express | Statement: [Pennsylvania Railroad, notableTrainService, Congressional Limited Express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Congressional Limited Express
Context triple: [Pennsylvania Railroad, notableTrainService, Congressional Limited Express]
  • A. Congressional Limited Express chosen
    The Congressional Limited Express was a premier Pennsylvania Railroad passenger train that provided fast, luxurious service between New York City and Washington, D.C.
  • B. J train
    The J train is a New York City Subway service that runs along the BMT Jamaica Line, connecting Jamaica, Queens with Lower Manhattan via Brooklyn.
  • C. MARC Train
    MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
  • D. E train
    The E train is a New York City Subway service that runs primarily along the IND Eighth Avenue Line, providing rapid transit between Queens and Manhattan.
  • E. Acela
    Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
  • 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_69a2524ce1e48190ab066bf72859f474 completed Feb. 28, 2026, 2:26 a.m.
NER Named-entity recognition batch_69a25bae79b48190abfd247410e5918f completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2e0f6b8908190b4eec4a34e9447db completed Feb. 28, 2026, 12:35 p.m.
Created at: Feb. 28, 2026, 2:34 a.m.