Triple

T889442
Position Surface form Disambiguated ID Type / Status
Subject North Avenue Light Rail Yard E19206 entity
Predicate operator P179 FINISHED
Object Maryland Transit Administration E20363 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: Maryland Transit Administration | Statement: [North Avenue Light Rail Yard, operator, Maryland Transit Administration]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maryland Transit Administration
Context triple: [North Avenue Light Rail Yard, operator, Maryland Transit Administration]
  • A. Maryland Transit Administration chosen
    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.
  • B. Maryland Transportation Authority
    The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
  • C. 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.
  • D. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • E. Baltimore Metro SubwayLink
    The Baltimore Metro SubwayLink is a rapid transit subway system serving Baltimore, Maryland, providing high-capacity rail service along a primary east–west corridor through the city and into surrounding areas.
  • 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_69a4939d37188190848be3d426ebc9ae completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4acff52008190ac2975c08ad29f54 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a9339ba2e48190872fd771386ba321 completed March 5, 2026, 7:41 a.m.
Created at: March 1, 2026, 7:39 p.m.