Triple
T17175145
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | University Medical Center station |
E416839
|
entity |
| Predicate | fareSystem |
P395
|
FINISHED |
| Object |
UTA Farepay / TRAX fare system
UTA Farepay / TRAX is a contactless electronic fare collection system used for paying fares on Utah Transit Authority’s TRAX light rail and other transit services in the Salt Lake City area.
|
E1255713
|
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: UTA Farepay / TRAX fare system | Statement: [University Medical Center station, fareSystem, UTA Farepay / TRAX fare system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UTA Farepay / TRAX fare system Context triple: [University Medical Center station, fareSystem, UTA Farepay / TRAX fare system]
-
A.
UTA On Demand microtransit
UTA On Demand microtransit is a flexible, app-based public transportation service operated by the Utah Transit Authority that provides on-demand rides within designated service zones in the Salt Lake City area.
-
B.
UTA GoRide app
The UTA GoRide app is a mobile application that lets riders of the Utah Transit Authority plan trips, buy and use digital fares, and access real-time transit information.
-
C.
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.
-
D.
UTA FrontRunner network
The UTA FrontRunner network is a regional commuter rail system in Utah that connects major cities along the Wasatch Front, including Salt Lake City, Ogden, and Provo.
-
E.
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.
- 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: UTA Farepay / TRAX fare system Triple: [University Medical Center station, fareSystem, UTA Farepay / TRAX fare system]
Generated description
UTA Farepay / TRAX is a contactless electronic fare collection system used for paying fares on Utah Transit Authority’s TRAX light rail and other transit services in the Salt Lake City area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UTA Farepay / TRAX fare system Target entity description: UTA Farepay / TRAX is a contactless electronic fare collection system used for paying fares on Utah Transit Authority’s TRAX light rail and other transit services in the Salt Lake City area.
-
A.
UTA On Demand microtransit
UTA On Demand microtransit is a flexible, app-based public transportation service operated by the Utah Transit Authority that provides on-demand rides within designated service zones in the Salt Lake City area.
-
B.
UTA GoRide app
The UTA GoRide app is a mobile application that lets riders of the Utah Transit Authority plan trips, buy and use digital fares, and access real-time transit information.
-
C.
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.
-
D.
UTA FrontRunner network
The UTA FrontRunner network is a regional commuter rail system in Utah that connects major cities along the Wasatch Front, including Salt Lake City, Ogden, and Provo.
-
E.
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.
- 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_69e3fc0cec448190b30466628a2ff23f |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fca04cc8190a9df230078fbe268 |
completed | May 11, 2026, 4:49 a.m. |
| NEDg | Description generation | batch_6a0161e5f6f0819083c57feac088f531 |
completed | May 11, 2026, 4:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0162785e7081908d57801eeae7cf67 |
completed | May 11, 2026, 5 a.m. |
Created at: April 10, 2026, 5:37 a.m.