Triple
T17174980
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salt Lake City metropolitan area |
E416834
|
entity |
| Predicate | hasRailSystem |
P522
|
FINISHED |
| Object | FrontRunner commuter rail |
E483294
|
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: FrontRunner commuter rail | Statement: [Salt Lake City metropolitan area, hasRailSystem, FrontRunner commuter rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: FrontRunner commuter rail Context triple: [Salt Lake City metropolitan area, hasRailSystem, FrontRunner commuter rail]
-
A.
FrontRunner commuter rail
chosen
FrontRunner commuter rail is a regional passenger train service in northern Utah that connects major cities along the Wasatch Front, including Ogden, Salt Lake City, and Provo.
-
B.
FrontRunner commuter rail station
The FrontRunner commuter rail station in Lehi, Utah, is a stop on Utah’s regional commuter rail line that connects the city to other major communities along the Wasatch Front.
-
C.
WeGo Star commuter rail
The WeGo Star commuter rail is a regional passenger train service connecting Nashville with its eastern suburbs in Middle Tennessee.
-
D.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
E.
SuperVia commuter rail network
The SuperVia commuter rail network is a suburban rail system serving the Rio de Janeiro metropolitan area, connecting central hubs like Central do Brasil to outlying neighborhoods and cities.
- 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_69e3fc0c329081909f118bd4b7be8653 |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0148435f6081909bfc6cc1ef59d971 |
completed | May 11, 2026, 3:08 a.m. |
Created at: April 10, 2026, 5:37 a.m.