Triple

T20698817
Position Surface form Disambiguated ID Type / Status
Subject St. Louis Gateway Transportation Center E508722 entity
Predicate fareZone P844 FINISHED
Object Metro fare system zone (St. Louis)
The Metro fare system zone in St. Louis is a designated transit pricing area used to determine fares for passengers traveling on the city’s Metro public transportation network.
 E1446075 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: Metro fare system zone (St. Louis) | Statement: [St. Louis Gateway Transportation Center, fareZone, Metro fare system zone (St. Louis)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro fare system zone (St. Louis)
Context triple: [St. Louis Gateway Transportation Center, fareZone, Metro fare system zone (St. Louis)]
  • A. Metra fare zones
    Metra fare zones are a distance-based pricing system used by the Chicago-area Metra commuter rail network to determine ticket costs between stations.
  • B. 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.
  • C. Metro Transit (St. Louis)
    Metro Transit (St. Louis) is the public transportation system serving the St. Louis metropolitan area, providing bus, light rail, and paratransit services.
  • D. 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.
  • E. MARTA Breeze fare system
    The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
  • 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: Metro fare system zone (St. Louis)
Triple: [St. Louis Gateway Transportation Center, fareZone, Metro fare system zone (St. Louis)]
Generated description
The Metro fare system zone in St. Louis is a designated transit pricing area used to determine fares for passengers traveling on the city’s Metro public transportation network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro fare system zone (St. Louis)
Target entity description: The Metro fare system zone in St. Louis is a designated transit pricing area used to determine fares for passengers traveling on the city’s Metro public transportation network.
  • A. Metra fare zones
    Metra fare zones are a distance-based pricing system used by the Chicago-area Metra commuter rail network to determine ticket costs between stations.
  • B. 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.
  • C. Metro Transit (St. Louis)
    Metro Transit (St. Louis) is the public transportation system serving the St. Louis metropolitan area, providing bus, light rail, and paratransit services.
  • D. 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.
  • E. MARTA Breeze fare system
    The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
  • 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_69e0b4c2b2a481909e31e9cb8f81ab55 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6c113e4cc8190aabc11e3f2530e32 completed April 21, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08d7eb1d4081908ff9c44ee5f0e20b completed May 16, 2026, 8:47 p.m.
NEDg Description generation batch_6a08db94ca14819092fd6d767fefc342 completed May 16, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_6a08dc141c648190bf98aa04adae4170 completed May 16, 2026, 9:05 p.m.
Created at: April 16, 2026, 12:11 p.m.