Triple

T21895
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Railroad Company E435 entity
Predicate operatedLine P848 FINISHED
Object New York–Washington corridor E2775 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–Washington corridor | Statement: [Pennsylvania Railroad Company, operatedLine, New York–Washington corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York–Washington corridor
Context triple: [Pennsylvania Railroad Company, operatedLine, New York–Washington corridor]
  • A. Northeast Corridor chosen
    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. Delaware Valley
    The Delaware Valley is a metropolitan region centered around the Philadelphia area, encompassing parts of Pennsylvania, New Jersey, Delaware, and Maryland.
  • C. 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.
  • D. Northeastern United States
    The Northeastern United States is a densely populated and historically significant region of the country known for its major metropolitan areas, economic influence, and role in American politics and culture.
  • E. Washington metropolitan area
    The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
  • 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_69a243b4ac2c8190b93c303df797b7b2 completed Feb. 28, 2026, 1:24 a.m.
NER Named-entity recognition batch_69a2481e91c88190ad0fb09cddc5f446 completed Feb. 28, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2db4f527c819094ab6b1705358022 completed Feb. 28, 2026, 12:10 p.m.
Created at: Feb. 28, 2026, 1:34 a.m.