Triple

T21196513
Position Surface form Disambiguated ID Type / Status
Subject TRAX light rail E522340 entity
Predicate hasLine P35 FINISHED
Object Red Line (TRAX)
Red Line (TRAX) is a light rail service in the Salt Lake City metropolitan area that connects the University of Utah and the Daybreak community via downtown as part of the UTA TRAX system.
 E522340 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: Red Line (TRAX) | Statement: [TRAX light rail, hasLine, Red Line (TRAX)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line (TRAX)
Context triple: [TRAX light rail, hasLine, Red Line (TRAX)]
  • A. TRAX light rail
    TRAX light rail is a public transit light rail system in the Salt Lake City metropolitan area of Utah, operated by the Utah Transit Authority.
  • B. Capital MetroRail Red Line
    The Capital MetroRail Red Line is a commuter rail service in Austin, Texas, connecting downtown with northern suburbs and key destinations along a 32-mile corridor.
  • C. S Line (Sugar House Streetcar)
    The S Line (Sugar House Streetcar) is a modern streetcar route in Salt Lake City, Utah, providing local transit service to the Sugar House neighborhood and connecting it with the regional TRAX light rail system.
  • D. L Line (Denver light rail)
    The L Line is a light rail service in Denver, Colorado, that runs through the city’s central and northeastern neighborhoods as part of the Denver RTD rail network.
  • E. H Line (Denver light rail)
    The H Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southeastern suburbs as part of the region’s RTD rail network.
  • 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: Red Line (TRAX)
Triple: [TRAX light rail, hasLine, Red Line (TRAX)]
Generated description
Red Line (TRAX) is a light rail service in the Salt Lake City metropolitan area that connects the University of Utah and the Daybreak community via downtown as part of the UTA TRAX system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Red Line (TRAX)
Target entity description: Red Line (TRAX) is a light rail service in the Salt Lake City metropolitan area that connects the University of Utah and the Daybreak community via downtown as part of the UTA TRAX system.
  • A. TRAX light rail chosen
    TRAX light rail is a public transit light rail system in the Salt Lake City metropolitan area of Utah, operated by the Utah Transit Authority.
  • B. Capital MetroRail Red Line
    The Capital MetroRail Red Line is a commuter rail service in Austin, Texas, connecting downtown with northern suburbs and key destinations along a 32-mile corridor.
  • C. S Line (Sugar House Streetcar)
    The S Line (Sugar House Streetcar) is a modern streetcar route in Salt Lake City, Utah, providing local transit service to the Sugar House neighborhood and connecting it with the regional TRAX light rail system.
  • D. L Line (Denver light rail)
    The L Line is a light rail service in Denver, Colorado, that runs through the city’s central and northeastern neighborhoods as part of the Denver RTD rail network.
  • E. H Line (Denver light rail)
    The H Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southeastern suburbs as part of the region’s RTD rail network.
  • F. None of above.

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_69e0b51061388190aa03f19700d3ef04 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7333bd7a0819084bbd1d6c111bc65 completed April 21, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0986ddf7c4819082c3fc3c7d47993a completed May 17, 2026, 9:14 a.m.
NEDg Description generation batch_6a09883271c08190aaf046130c9b2698 completed May 17, 2026, 9:19 a.m.
NED2 Entity disambiguation (via description) batch_6a0988a7c9b081909688dba71dbce654 completed May 17, 2026, 9:21 a.m.
Created at: April 16, 2026, 3:08 p.m.