Triple

T3939592
Position Surface form Disambiguated ID Type / Status
Subject Dearborn Street subway E92000 entity
Predicate hasSafetyAuthority P26795 FINISHED
Object Federal Transit Administration E7798 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: Federal Transit Administration | Statement: [Dearborn Street subway, hasSafetyAuthority, Federal Transit Administration]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Federal Transit Administration
Context triple: [Dearborn Street subway, hasSafetyAuthority, Federal Transit Administration]
  • A. Federal Transit Administration chosen
    The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
  • B. Mass Transit Administration
    The Mass Transit Administration was the former name of Maryland’s statewide public transportation agency responsible for operating and overseeing transit services.
  • C. United States Department of Transportation
    The United States Department of Transportation is a federal executive department responsible for national transportation policy, safety regulation, and infrastructure across modes such as highways, aviation, rail, and transit.
  • D. Surface Transportation Board
    The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
  • E. American Public Transportation Association
    The American Public Transportation Association is a U.S.-based industry organization that represents and advocates for public transit agencies, businesses, and professionals across the public transportation sector.
  • 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: hasSafetyAuthority
Context triple: [Dearborn Street subway, hasSafetyAuthority, Federal Transit Administration]
  • A. hasSafetyRole
    Indicates that an entity holds a responsibility or function related to safety within a given context or system.
  • B. hasLegalAuthorityFrom chosen
    Indicates that one entity possesses formal legal power, rights, or authorization that originates from or is granted by another entity.
  • C. hasSafetyRegulationCompliance
    Indicates that an entity adheres to, satisfies, or is in conformity with specified safety regulations or standards.
  • D. hasLimitedAuthorityOver
    Indicates that one entity holds a constrained or partial power to direct, control, or make decisions about another entity, but not full or unrestricted authority.
  • E. hasAuthorityControl
    Indicates that one entity possesses formal power, control, or decision-making authority over another entity or activity.
  • 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_69aed965502c8190904ebad1203a4ae8 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeedfb12b88190a6ca6574b1aadb6e completed March 9, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b52894cb94819099d023745fcaebbc completed March 14, 2026, 9:21 a.m.
PD Predicate disambiguation batch_69aee7625ad4819097e4e8a168c19274 completed March 9, 2026, 3:29 p.m.
Created at: March 9, 2026, 3:24 p.m.