Triple

T5991383
Position Surface form Disambiguated ID Type / Status
Subject Alexandria Union Station E133357 entity
Predicate nearbySystem P67869 FINISHED
Object Washington Metro E225 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: Washington Metro | Statement: [Alexandria Union Station, nearbySystem, Washington Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Washington Metro
Context triple: [Alexandria Union Station, nearbySystem, Washington Metro]
  • A. Washington Metro chosen
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • B. Washington Metro Silver Line
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
  • C. 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.
  • D. 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.
  • 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: nearbySystem
Context triple: [Alexandria Union Station, nearbySystem, Washington Metro]
  • A. nearbyEnvironment
    Indicates that an entity is located in or affected by the immediate surrounding conditions or context of another entity.
  • B. nearbyRole
    Indicates that one role is spatially close to or within a short distance of another role.
  • C. nearbyTo
    Indicates that one entity is located close in distance or position to another entity.
  • D. nearbyFrontier
    Indicates that one entity is located close to a boundary or frontier region associated with another entity.
  • E. nearbyLocation
    Indicates that one location is situated close to another location in physical space.
  • F. None of above. chosen

Provenance (5 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_69c0087010d081908bb8142342d63330 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04e8fd030819095a4f3b3d425ec21 completed March 22, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c63849a59881909e32c0271b4beb51 completed March 27, 2026, 7:56 a.m.
PD Predicate disambiguation batch_69c049e152e88190979ab80cb9b50321 completed March 22, 2026, 7:58 p.m.
PDg Predicate description generation batch_69c04dbefd1081909795fe1a812b991a completed March 22, 2026, 8:14 p.m.
Created at: March 22, 2026, 4:05 p.m.