Triple
T18366944
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pacific Surfliner route |
E440071
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object | San Luis Obispo station |
—
|
NE NERFINISHED |
How this triple was built (3 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: San Luis Obispo station | Statement: [Pacific Surfliner route, usesStation, San Luis Obispo station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Luis Obispo station Context triple: [Pacific Surfliner route, usesStation, San Luis Obispo station]
-
A.
Santa Rosa station
Santa Rosa station is a railway stop in Santa Rosa, Laguna, Philippines, serving passengers on the Philippine National Railways Metro Commuter Line.
-
B.
Santa Rosa station
Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
-
C.
San Joaquín station
San Joaquín station is a stop on Santiago, Chile’s Metro system serving the Line 5 corridor in the city’s southeastern area.
-
D.
Sacramento Valley Station
Sacramento Valley Station is the main intercity and commuter rail hub in Sacramento, California, serving Amtrak and regional transit services.
-
E.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Luis Obispo station Target entity description: San Luis Obispo station is an Amtrak passenger rail station in San Luis Obispo, California, serving as a key stop for intercity trains along the Central Coast.
-
A.
Santa Rosa station
Santa Rosa station is a railway stop in Santa Rosa, Laguna, Philippines, serving passengers on the Philippine National Railways Metro Commuter Line.
-
B.
Santa Rosa station
Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
-
C.
San Joaquín station
San Joaquín station is a stop on Santiago, Chile’s Metro system serving the Line 5 corridor in the city’s southeastern area.
-
D.
Sacramento Valley Station
Sacramento Valley Station is the main intercity and commuter rail hub in Sacramento, California, serving Amtrak and regional transit services.
-
E.
Gilroy station
Gilroy station is a passenger rail station in Gilroy, California, serving as a terminus for Caltrain commuter services and a stop for Amtrak Thruway buses.
- F. None of above. chosen
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_69d8b918221c8190a9f7b563d64ac677 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e5174e834481909453ba25561d1b1d |
completed | April 19, 2026, 5:56 p.m. |
Created at: April 10, 2026, 10:38 a.m.