Triple

T3525721
Position Surface form Disambiguated ID Type / Status
Subject East Falls Church station E74533 entity
Predicate owner P347 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: [East Falls Church station, owner, 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: [East Falls Church station, owner, 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. Maryland Transportation Authority
    The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
  • E. 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.
  • 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_69ad85d0c5488190a3d8e02ebd01a1aa completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbc6a8d0c819094d38b9c47fb67b4 completed March 8, 2026, 6:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e67f68081909766d78ee24e9e6e completed March 13, 2026, 3:03 a.m.
Created at: March 8, 2026, 3:19 p.m.