Triple

T15578025
Position Surface form Disambiguated ID Type / Status
Subject Addison (Brown Line) E374417 entity
Predicate transitAgencyAbbreviation P81662 FINISHED
Object CTA E1910 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: CTA | Statement: [Addison (Brown Line), transitAgencyAbbreviation, CTA]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CTA
Context triple: [Addison (Brown Line), transitAgencyAbbreviation, CTA]
  • A. CTA chosen
    CTA is the primary public transportation agency serving Chicago and many of its surrounding suburbs, operating the city's buses and rapid transit "L" train system.
  • B. CTA
    CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
  • C. CTA
    CTA is the acronym commonly used for the Canadian Transportation Agency, the federal regulator overseeing air, rail, and marine transportation in Canada.
  • D. CTA
    CTA is the abbreviation for the Common Travel Area, a free-movement zone comprising the United Kingdom, Ireland, the Isle of Man, and the Channel Islands.
  • E. CTA
    CTA is a U.S. federal law aimed at combating money laundering and other illicit financial activities by requiring certain companies to disclose information about their beneficial owners.
  • 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: transitAgencyAbbreviation
Context triple: [Addison (Brown Line), transitAgencyAbbreviation, CTA]
  • A. coordinatedAgencyAbbreviation
    Indicates that two or more agencies share or use the same abbreviated designation in a coordinated or jointly recognized manner.
  • B. hasPublicTransportAgency
    Indicates that a place or transport system is served, managed, or overseen by a specific public transportation agency.
  • C. paratransitSystemName
    Indicates the name assigned to a specific paratransit transportation system or service.
  • D. managingAgencyAbbreviation chosen
    Indicates that one entity is identified by the abbreviated name of the agency responsible for managing or overseeing it.
  • E. operatingCompanyAbbreviation
    Indicates that the object is an abbreviated or shortened form of the name of the company that operates the subject.
  • 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e22c89081909b1ec0cd36a1ef45 completed April 16, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c4b3a8881909d41204a0b243461 completed May 9, 2026, 3:01 p.m.
PD Predicate disambiguation batch_69deda817e9881909b0c66fc9056f7d5 completed April 15, 2026, 12:23 a.m.
Created at: April 10, 2026, 4:11 a.m.