Triple
T18942154
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink San Bernardino Line station (Pomona) |
E463408
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | Southern California Regional Rail System |
—
|
NE NERFINISHED |
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: Southern California Regional Rail System | Statement: [Metrolink San Bernardino Line station (Pomona), partOfNetwork, Southern California Regional Rail System]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern California Regional Rail System Context triple: [Metrolink San Bernardino Line station (Pomona), partOfNetwork, Southern California Regional Rail System]
-
A.
Southern California Regional Rail Network
chosen
The Southern California Regional Rail Network is a commuter rail system serving the Greater Los Angeles area and surrounding counties, connecting suburban communities with major urban centers.
-
B.
Metrolink Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
-
C.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
D.
Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
-
E.
Metrolink Orange County Line
The Metrolink Orange County Line is a Southern California commuter rail route that connects Los Angeles with cities in Orange County and northern San Diego County.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dcfec90481909e926be9767e5779 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d3ec857081908da0f974604f2c65 |
completed | April 20, 2026, 7:21 a.m. |
Created at: April 10, 2026, 11:59 a.m.