Triple
T14260986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SacRT Light Rail |
E353514
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Amtrak at Sacramento Valley Station |
E7720
|
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: Amtrak at Sacramento Valley Station | Statement: [SacRT Light Rail, connectsWith, Amtrak at Sacramento Valley Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak at Sacramento Valley Station Context triple: [SacRT Light Rail, connectsWith, Amtrak at Sacramento Valley Station]
-
A.
Amtrak Sacramento Valley Station
chosen
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
-
B.
Amtrak Capitol Corridor at Richmond station
The Amtrak Capitol Corridor at Richmond station is a key intercity rail service stop in Richmond, California, providing regional passenger connections between the Bay Area and Sacramento Valley.
-
C.
Amtrak San Joaquins at Richmond station
Amtrak San Joaquins at Richmond station is a regional intercity passenger rail service stop in Richmond, California, providing connections between the San Joaquin Valley and the San Francisco Bay Area.
-
D.
Fresno Amtrak Station
Fresno Amtrak Station is a central passenger rail hub in Fresno, California, serving Amtrak’s San Joaquins line and connecting the city to major destinations across the state.
-
E.
Madera Amtrak station
Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
- 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_69fd3260fdf88190b482480a17bd6674 |
completed | May 8, 2026, 12:46 a.m. |
Created at: April 10, 2026, 1:09 a.m.