Triple
T14261236
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watt/I-80 Station |
E353522
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Sacramento Regional Transit light rail system |
E71347
|
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: Sacramento Regional Transit light rail system | Statement: [Watt/I-80 Station, serves, Sacramento Regional Transit light rail system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sacramento Regional Transit light rail system Context triple: [Watt/I-80 Station, serves, Sacramento Regional Transit light rail system]
-
A.
Sacramento Regional Transit
chosen
Sacramento Regional Transit is the public transportation agency serving the Sacramento, California metropolitan area with light rail and bus services.
-
B.
Transbay BART network
The Transbay BART network is the portion of the Bay Area Rapid Transit system that carries trains through the Transbay Tube between San Francisco and the East Bay, forming a critical regional rail link under San Francisco Bay.
-
C.
Altamont Corridor Express
Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
-
D.
Muni Metro
Muni Metro is San Francisco’s light rail and streetcar system, forming a core part of the city’s public transit network.
-
E.
San Francisco Muni
San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
- 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_69d8278c43e08190824146f4632b89a5 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de635534988190816fdfb315cd2a3f |
completed | April 14, 2026, 3:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fda904f8ac8190a4206b6ab6ee812c |
completed | May 8, 2026, 9:12 a.m. |
Created at: April 10, 2026, 1:09 a.m.