Triple
T21196525
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | TRAX light rail |
E522340
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Salt Lake Central station |
E416836
|
NE FINISHED |
How this triple was built (2 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: Salt Lake Central station | Statement: [TRAX light rail, hasStation, Salt Lake Central station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Salt Lake Central station Context triple: [TRAX light rail, hasStation, Salt Lake Central station]
-
A.
Salt Lake Central station
chosen
Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
-
B.
Temple Square station
Temple Square station is a light rail stop in downtown Salt Lake City, Utah, serving the Utah Transit Authority's TRAX system near the historic Temple Square.
-
C.
Union Station (Ogden, Utah)
Union Station in Ogden, Utah is a historic former railroad hub now serving as a cultural center and museum complex showcasing the region’s rail and western heritage.
-
D.
West Valley Central station
West Valley Central station is a light rail station in West Valley City, Utah, serving as a key stop on the Utah Transit Authority’s TRAX system.
-
E.
Provo Central station
Provo Central station is a major commuter rail hub in Provo, Utah, serving as the southern terminus of Utah Transit Authority’s FrontRunner line and connecting passengers to regional transit services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_6a097ecad6308190ae66611cdfe4f1c9 |
completed | May 17, 2026, 8:39 a.m. |
Created at: April 16, 2026, 3:08 p.m.