Triple

T607241
Position Surface form Disambiguated ID Type / Status
Subject Orange Line (Washington Metro) E12021 entity
Predicate operator P179 FINISHED
Object Washington Metropolitan Area Transit Authority E2776 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 Metropolitan Area Transit Authority | Statement: [Orange Line (Washington Metro), operator, Washington Metropolitan Area Transit Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Metropolitan Area Transit Authority
Context triple: [Orange Line (Washington Metro), operator, Washington Metropolitan Area Transit Authority]
  • A. Washington Metropolitan Area Transit Authority chosen
    The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
  • B. Maryland Transit Administration
    The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
  • C. Washington Metrorail Safety Commission
    The Washington Metrorail Safety Commission is an independent oversight agency responsible for monitoring, investigating, and enforcing safety practices across the Washington, D.C. region’s Metrorail transit system.
  • D. District of Columbia Department of Transportation
    The District of Columbia Department of Transportation is the city agency responsible for planning, constructing, and maintaining Washington, D.C.’s transportation infrastructure and services.
  • E. Washington Metro
    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.
  • 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_69a493309df48190a327f748e88049a6 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49df34abc8190a578c8c2ab3d28e4 completed March 1, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a52eab1dc88190892cf500465db72a completed March 2, 2026, 6:31 a.m.
Created at: March 1, 2026, 7:35 p.m.