Triple

T386702
Position Surface form Disambiguated ID Type / Status
Subject Crystal City E8794 entity
Predicate servedByMetroLine P6301 FINISHED
Object Blue Line (Washington Metro) E22857 NE FINISHED

How this triple was built (3 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: Blue Line (Washington Metro) | Statement: [Crystal City, servedByMetroLine, Blue Line (Washington Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Line (Washington Metro)
Context triple: [Crystal City, servedByMetroLine, Blue Line (Washington Metro)]
  • A. Blue Line (Washington Metro) chosen
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • B. Orange Line (Washington Metro)
    The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
  • 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. 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.
  • E. Washington Metro Yellow Line
    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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedByMetroLine
Context triple: [Crystal City, servedByMetroLine, Blue Line (Washington Metro)]
  • A. subwayServices
    Indicates that one entity provides or operates subway transportation services for another entity or area.
  • B. lineServed chosen
    Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
  • C. partOfTransitSystem
    Indicates that something is a component or segment within a larger transit or transportation system.
  • D. hasShuttleLine
    Indicates that there is a shuttle service or route operating between the related entities.
  • E. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • F. None of above.

Provenance (4 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_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec447b5481908a5a084787b44ced completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4429d10d88190ac5407bf4e539d4f completed March 1, 2026, 1:43 p.m.
PD Predicate disambiguation batch_69a2e967d84c8190a6b647f78d95d4e4 completed Feb. 28, 2026, 1:11 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.