Triple
T18367046
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Surf Line |
E440074
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Los Angeles – San Diego – San Luis Obispo Rail Corridor Agency |
—
|
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: Los Angeles – San Diego – San Luis Obispo Rail Corridor Agency | Statement: [Surf Line, owner, Los Angeles – San Diego – San Luis Obispo Rail Corridor Agency]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles – San Diego – San Luis Obispo Rail Corridor Agency Context triple: [Surf Line, owner, Los Angeles – San Diego – San Luis Obispo Rail Corridor Agency]
-
A.
Los Angeles–San Diego rail corridor
chosen
The Los Angeles–San Diego rail corridor is a major Southern California passenger and freight rail route running along the coast between the Los Angeles and San Diego metropolitan areas.
-
B.
Southern California Regional Rail Network
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.
-
C.
Los Angeles–Long Beach light rail corridor
The Los Angeles–Long Beach light rail corridor is a major urban transit route in Southern California that connects downtown Los Angeles with the city of Long Beach via light rail service.
-
D.
San Diego Subdivision
The San Diego Subdivision is a key Southern California railway line used for passenger and freight service, including commuter operations in the San Diego region.
-
E.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
- 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_69d8b918221c8190a9f7b563d64ac677 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e5174f5f448190a1fc67d3039aadd9 |
completed | April 19, 2026, 5:56 p.m. |
Created at: April 10, 2026, 10:38 a.m.