Triple

T17174869
Position Surface form Disambiguated ID Type / Status
Subject METRO Q Card E416831 entity
Predicate partOf P40 FINISHED
Object Houston METRO fare collection system
The Houston METRO fare collection system is the electronic payment and validation network used across Houston’s public transit services, enabling riders to pay and manage fares through tools like the METRO Q Card.
E1254526 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: Houston METRO fare collection system | Statement: [METRO Q Card, partOf, Houston METRO fare collection system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Houston METRO fare collection system
Context triple: [METRO Q Card, partOf, Houston METRO fare collection system]
  • A. Houston METRORail
    Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
  • B. NFTA Metro system
    The NFTA Metro system is the public transit network serving the Buffalo–Niagara region of New York, providing bus and light rail services operated by the Niagara Frontier Transportation Authority.
  • C. Metro TAP card
    The Metro TAP card is a reusable, reloadable smart fare card used for contactless payment across the Los Angeles County public transit system.
  • D. StarMetro public transit system
    StarMetro public transit system is the city-operated bus and paratransit network serving residents, students, and visitors throughout Tallahassee, Florida.
  • E. Silverlink Metro
    Silverlink Metro was a former suburban rail network in London and surrounding areas that operated under the Silverlink franchise until its services were absorbed into the London Overground.
  • 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: Houston METRO fare collection system
Triple: [METRO Q Card, partOf, Houston METRO fare collection system]
Generated description
The Houston METRO fare collection system is the electronic payment and validation network used across Houston’s public transit services, enabling riders to pay and manage fares through tools like the METRO Q Card.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Houston METRO fare collection system
Target entity description: The Houston METRO fare collection system is the electronic payment and validation network used across Houston’s public transit services, enabling riders to pay and manage fares through tools like the METRO Q Card.
  • A. Houston METRORail
    Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
  • B. NFTA Metro system
    The NFTA Metro system is the public transit network serving the Buffalo–Niagara region of New York, providing bus and light rail services operated by the Niagara Frontier Transportation Authority.
  • C. Metro TAP card
    The Metro TAP card is a reusable, reloadable smart fare card used for contactless payment across the Los Angeles County public transit system.
  • D. StarMetro public transit system
    StarMetro public transit system is the city-operated bus and paratransit network serving residents, students, and visitors throughout Tallahassee, Florida.
  • E. Silverlink Metro
    Silverlink Metro was a former suburban rail network in London and surrounding areas that operated under the Silverlink franchise until its services were absorbed into the London Overground.
  • 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_69d886d5f34c8190b24564dfaa63f3fb completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3fc0c329081909f118bd4b7be8653 completed April 18, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0148435f6081909bfc6cc1ef59d971 completed May 11, 2026, 3:08 a.m.
NEDg Description generation batch_6a014a4fdcf081908be68b1eda2066df completed May 11, 2026, 3:17 a.m.
NED2 Entity disambiguation (via description) batch_6a014adf25808190ad712fbd7560e91d completed May 11, 2026, 3:19 a.m.
Created at: April 10, 2026, 5:37 a.m.