Triple
T21196513
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | TRAX light rail |
E522340
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object | Red Line (TRAX) |
—
|
NE NERFINISHED |
How this triple was built (3 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.
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 (2 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. |
Created at: April 16, 2026, 3:08 p.m.