Triple

T16887993
Position Surface form Disambiguated ID Type / Status
Subject McCullough station E421587 entity
Predicate fareSystem P395 FINISHED
Object CATS fare system
The CATS fare system is the payment and ticketing system used by the Charlotte Area Transit System for its buses, light rail, and other public transit services.
E1238657 NE FINISHED

How this triple was built (4 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: CATS fare system | Statement: [McCullough station, fareSystem, CATS fare system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CATS fare system
Context triple: [McCullough station, fareSystem, CATS fare system]
  • A. SL fare system
    The SL fare system is Stockholm’s integrated public transport ticketing scheme that allows passengers to use a unified range of tickets and travel cards across buses, metro, commuter trains, and other regional services.
  • B. MARC fare system
    The MARC fare system is the ticketing and pricing structure used by Maryland's MARC commuter rail service for travel across its network.
  • C. CTA farecard
    The CTA farecard is a stored-value transit card used to pay fares on Chicago’s buses and trains.
  • D. SMART fare system
    The SMART fare system is the electronic payment and ticketing system used by the Suburban Mobility Authority for Regional Transportation (SMART) to collect fares on its public transit services in the Detroit metropolitan area.
  • E. VBB fare system
    The VBB fare system is the integrated public transport tariff network covering Berlin and the surrounding Brandenburg region, allowing seamless travel across multiple transport operators and zones with unified tickets.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CATS fare system
Triple: [McCullough station, fareSystem, CATS fare system]
Generated description
The CATS fare system is the payment and ticketing system used by the Charlotte Area Transit System for its buses, light rail, and other public transit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CATS fare system
Target entity description: The CATS fare system is the payment and ticketing system used by the Charlotte Area Transit System for its buses, light rail, and other public transit services.
  • A. SL fare system
    The SL fare system is Stockholm’s integrated public transport ticketing scheme that allows passengers to use a unified range of tickets and travel cards across buses, metro, commuter trains, and other regional services.
  • B. MARC fare system
    The MARC fare system is the ticketing and pricing structure used by Maryland's MARC commuter rail service for travel across its network.
  • C. CTA farecard
    The CTA farecard is a stored-value transit card used to pay fares on Chicago’s buses and trains.
  • D. SMART fare system
    The SMART fare system is the electronic payment and ticketing system used by the Suburban Mobility Authority for Regional Transportation (SMART) to collect fares on its public transit services in the Detroit metropolitan area.
  • E. VBB fare system
    The VBB fare system is the integrated public transport tariff network covering Berlin and the surrounding Brandenburg region, allowing seamless travel across multiple transport operators and zones with unified tickets.
  • F. None of above. chosen

Provenance (5 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_69d889d470fc8190b4aec199636c0c56 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e3bbc2f6d081909c76fa2a6b87e083 completed April 18, 2026, 5:13 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c2befaa88190ba83dc17aa66b541 completed May 10, 2026, 5:39 p.m.
NEDg Description generation batch_6a00c392b4488190bcfcb40351821f92 completed May 10, 2026, 5:42 p.m.
NED2 Entity disambiguation (via description) batch_6a00c44e37b48190a62b315ddbbd4ec4 completed May 10, 2026, 5:45 p.m.
Created at: April 10, 2026, 5:29 a.m.