Triple
T21595932
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arena station (TRAX) |
E532898
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Blue Line (TRAX)
Blue Line (TRAX) is a light rail line in the Salt Lake City metropolitan area that runs between Downtown Salt Lake City and Draper as part of the Utah Transit Authority’s 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: Blue Line (TRAX) | Statement: [Arena station (TRAX), servedByLine, Blue Line (TRAX)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blue Line (TRAX) Context triple: [Arena station (TRAX), servedByLine, Blue 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.
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.
-
D.
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.
-
E.
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
- 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: Blue Line (TRAX) Triple: [Arena station (TRAX), servedByLine, Blue Line (TRAX)]
Generated description
Blue Line (TRAX) is a light rail line in the Salt Lake City metropolitan area that runs between Downtown Salt Lake City and Draper as part of the Utah Transit Authority’s TRAX system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blue Line (TRAX) Target entity description: Blue Line (TRAX) is a light rail line in the Salt Lake City metropolitan area that runs between Downtown Salt Lake City and Draper as part of the Utah Transit Authority’s 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.
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.
-
D.
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.
-
E.
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
- 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_69e0c46251648190876f0427cf2d321b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eefae15a7c819081627450ae726b0b |
completed | April 27, 2026, 5:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09f6860bdc8190a9457c4c125de8b2 |
completed | May 17, 2026, 5:10 p.m. |
| NEDg | Description generation | batch_6a09f71df0308190b5953a76da60c6d4 |
completed | May 17, 2026, 5:13 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09f80784648190ae073b4db90032c1 |
completed | May 17, 2026, 5:16 p.m. |
Created at: April 16, 2026, 6:32 p.m.