Triple

T3396247
Position Surface form Disambiguated ID Type / Status
Subject U Street/African-Amer Civil War Memorial/Cardozo station E71534 entity
Predicate category P87 FINISHED
Object Washington Metro Yellow Line stations E24170 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 Metro Yellow Line stations | Statement: [U Street/African-Amer Civil War Memorial/Cardozo station, category, Washington Metro Yellow Line stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Metro Yellow Line stations
Context triple: [U Street/African-Amer Civil War Memorial/Cardozo station, category, Washington Metro Yellow Line stations]
  • A. Washington Metro Yellow Line chosen
    The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
  • B. Washington Metro Silver Line (nearby stations)
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
  • C. Washington Metro Green Line
    The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
  • D. Potomac Yard–VT Metrorail station
    Potomac Yard–VT Metrorail station is a Washington Metro station in Alexandria, Virginia, serving the Blue and Yellow lines and providing transit access to the Potomac Yard redevelopment area and nearby neighborhoods.
  • E. Washington Metro Red Line
    The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
  • 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_69ad85a9c4a88190a854019341cb3b60 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb856158c81908dd7d3f1f8d6af74 completed March 8, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69b35464d9a88190aec3a7597cecff21 completed March 13, 2026, 12:03 a.m.
Created at: March 8, 2026, 3:14 p.m.