Triple
T4181109
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink at Union Station |
E88195
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Ventura County Line |
E201388
|
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: Ventura County Line | Statement: [Metrolink at Union Station, servedByLine, Ventura County Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ventura County Line Context triple: [Metrolink at Union Station, servedByLine, Ventura County Line]
-
A.
Ventura County Line
chosen
Ventura County Line is a commuter rail service in Southern California that connects Los Angeles with communities in Ventura County and the San Fernando Valley.
-
B.
Saline Valley Road
Saline Valley Road is a remote, mostly unpaved desert road in California that provides rugged backcountry access to the isolated Saline Valley area within and near Death Valley National Park.
-
C.
Lasseter Highway
Lasseter Highway is a major road in Australia's Northern Territory that connects the Stuart Highway to the Uluru–Kata Tjuta National Park area, serving as the primary access route for visitors to Uluru.
-
D.
Ox Road
Ox Road is a major north–south thoroughfare in Northern Virginia that serves as a key commuter and regional connector route.
-
E.
Sierra Highway
Sierra Highway is a historic roadway in Southern California that runs through the Sierra Pelona Mountains and has long served as a key regional route connecting communities in the area.
- 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_69aed9477e8c81908bcb862d2db55b1d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af0304702c8190899cbb0e3e41b987 |
completed | March 9, 2026, 5:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b589f89f4481909f95d3ca915bac18 |
completed | March 14, 2026, 4:16 p.m. |
Created at: March 9, 2026, 3:45 p.m.