Triple

T5989752
Position Surface form Disambiguated ID Type / Status
Subject WMATA 7000-series railcar E133314 entity
Predicate enteredServiceOnSystem P51971 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: [WMATA 7000-series railcar, enteredServiceOnSystem, Washington Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Washington Metro
Context triple: [WMATA 7000-series railcar, enteredServiceOnSystem, 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: enteredServiceOnSystem
Context triple: [WMATA 7000-series railcar, enteredServiceOnSystem, Washington Metro]
  • A. enteredService
    Indicates that an entity began active use or operation at a specific time or in a specific context.
  • B. enteredServiceWithUnit
    Indicates that an entity began its period of service or active duty while assigned to a specified unit.
  • C. enteredServiceAsReplacementFor
    Indicates that one entity began its period of service specifically to take over the role or function previously performed by another entity.
  • D. systemEntry chosen
    Indicates that an entity is being recorded, registered, or introduced into a particular system or structured environment.
  • E. enteredSpace
    Indicates that an entity has moved into or crossed the boundary into a particular space or area.
  • 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_69c0087010d081908bb8142342d63330 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04dc76fd481908cc3f327e532a1a6 completed March 22, 2026, 8:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6409d48408190b2048c07272277ac completed March 27, 2026, 8:32 a.m.
PD Predicate disambiguation batch_69c049de98648190962b14fd341c93da completed March 22, 2026, 7:58 p.m.
Created at: March 22, 2026, 4:05 p.m.