Triple

T3339237
Position Surface form Disambiguated ID Type / Status
Subject Franconia–Springfield Metro station E70216 entity
Predicate isSouthwesternTerminusOf P5249 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: [Franconia–Springfield Metro station, isSouthwesternTerminusOf, Blue Line (Washington Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Line (Washington Metro)
Context triple: [Franconia–Springfield Metro station, isSouthwesternTerminusOf, 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: isSouthwesternTerminusOf
Context triple: [Franconia–Springfield Metro station, isSouthwesternTerminusOf, Blue Line (Washington Metro)]
  • A. terminusCitySouthwest
    Indicates that the terminus (end point) of something is located to the southwest of a specified city.
  • B. hasSouthernTerminus chosen
    Indicates that one entity serves as the southern endpoint or terminus of another entity, such as a route, line, or path.
  • C. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • D. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • E. terminusSouthNear
    Indicates that the southern end or terminus of one entity is located close to another entity.
  • 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_69ad85a405e48190b6e68de7cf9f319e completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb1bd6c7c8190b7229de1433d8d20 completed March 8, 2026, 5:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b2755c88190acc9bc70f1f3a53e completed March 14, 2026, 2:05 p.m.
PD Predicate disambiguation batch_69ada42c2ba8819091136805ce17b39d completed March 8, 2026, 4:30 p.m.
Created at: March 8, 2026, 3:12 p.m.