Triple

T398944
Position Surface form Disambiguated ID Type / Status
Subject Congressional Limited Express E9235 entity
Predicate route P5619 FINISHED
Object New York City–Washington, D.C. corridor E46349 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: New York City–Washington, D.C. corridor | Statement: [Congressional Limited Express, route, New York City–Washington, D.C. corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City–Washington, D.C. corridor
Context triple: [Congressional Limited Express, route, New York City–Washington, D.C. corridor]
  • A. Northeast Corridor
    The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
  • B. Northeast megalopolis chosen
    The Northeast megalopolis is a densely populated urban corridor in the northeastern United States stretching roughly from Boston to Washington, D.C., encompassing major cities and their surrounding metropolitan areas.
  • C. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • D. New York metropolitan area
    The New York metropolitan area is the vast, densely populated urban region centered on New York City, encompassing parts of New York, New Jersey, and Connecticut and serving as a major global hub for finance, culture, media, and transportation.
  • E. Metropolregion MD
    Metropolregion MD is a central German metropolitan region encompassing major cities and economic centers in the states of Saxony, Saxony-Anhalt, and Thuringia, focused on regional development and cooperation.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ec8d0ca881909d786e8eed9b6748 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a47469d5248190a14f44d53a3e6e8f completed March 1, 2026, 5:16 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.