Triple

T11429774
Position Surface form Disambiguated ID Type / Status
Subject CSX Transportation Metropolitan Subdivision E270847 entity
Predicate regionServed P82 FINISHED
Object Washington, D.C. metropolitan area E514 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: Washington, D.C. metropolitan area | Statement: [CSX Transportation Metropolitan Subdivision, regionServed, Washington, D.C. metropolitan area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington, D.C. metropolitan area
Context triple: [CSX Transportation Metropolitan Subdivision, regionServed, Washington, D.C. metropolitan area]
  • A. Baltimore–Washington metropolitan area
    The Baltimore–Washington metropolitan area is a major combined urban region in the Mid-Atlantic United States centered on the cities of Baltimore, Maryland, and Washington, D.C., known for its dense population, federal government presence, and diverse economy.
  • B. Washington metropolitan area chosen
    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.
  • C. Jamestown metropolitan area
    The Jamestown metropolitan area is a U.S. Census-defined region in southwestern New York centered on the city of Jamestown and its surrounding communities.
  • D. Distrito Capital
    Distrito Capital is the federal district that encompasses Caracas, the capital and political center of Venezuela.
  • E. New York City–Washington, D.C.
    New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
  • 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_69d6aadeef688190874bcecd88b3dd9b completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d806c1bfb881909720c74fe0fa837f completed April 9, 2026, 8:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5b834cee48190ac09c1e1df4c12d0 completed April 20, 2026, 5:23 a.m.
Created at: April 8, 2026, 9:35 p.m.