Triple
T17175376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens SD-160 |
E416845
|
entity |
| Predicate | usedInTransitSystem |
P15902
|
FINISHED |
| Object | Salt Lake City TRAX |
E86503
|
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 City TRAX | Statement: [Siemens SD-160, usedInTransitSystem, Salt Lake City TRAX]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Salt Lake City TRAX Context triple: [Siemens SD-160, usedInTransitSystem, Salt Lake City TRAX]
-
A.
Salt Lake City TRAX
chosen
Salt Lake City TRAX is a light rail transit system serving the Salt Lake City metropolitan area in Utah, operated by the Utah Transit Authority.
-
B.
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.
-
C.
Salt Lake Central station
Salt Lake Central station is a major intermodal transit hub in downtown Salt Lake City, Utah, serving light rail, commuter rail, and bus services.
-
D.
Salt Lake City–St. George route
The Salt Lake City–St. George route is a major transportation corridor in Utah connecting the state’s capital with its southwestern region, including cities like St. George, and serving as a key link for regional travel and commerce.
-
E.
Utah Transit Authority
Utah Transit Authority is the primary public transportation agency serving Utah’s Wasatch Front, operating buses, light rail, commuter rail, and other transit services across the region.
- 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_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_6a016747a8908190a7ce1408abc70c47 |
completed | May 11, 2026, 5:21 a.m. |
Created at: April 10, 2026, 5:37 a.m.