Triple

T2873949
Position Surface form Disambiguated ID Type / Status
Subject Metrorail E56829 entity
Predicate safetyAuthority P125 FINISHED
Object Washington Metrorail Safety Commission E9931 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 Metrorail Safety Commission | Statement: [Metrorail, safetyAuthority, Washington Metrorail Safety Commission]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Metrorail Safety Commission
Context triple: [Metrorail, safetyAuthority, Washington Metrorail Safety Commission]
  • A. Washington Metrorail Safety Commission chosen
    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.
  • B. Washington Metropolitan Area Transit Authority
    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.
  • C. 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.
  • D. Autoritat del Transport Metropolità
    Autoritat del Transport Metropolità is the public consortium that plans, coordinates, and oversees metropolitan public transport services in the Barcelona area.
  • 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_69ab4a4ced288190ab6d3e062d10f7f6 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abe0032ddc8190bb4d15ec7e3c63e8 completed March 7, 2026, 8:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01db780908190919d859205464b2e completed March 10, 2026, 1:33 p.m.
Created at: March 6, 2026, 10:03 p.m.