Triple
T20530783
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Los Angeles–San Francisco |
E504060
|
entity |
| Predicate | historicallyServedBy |
P19592
|
FINISHED |
| Object | Daylight passenger trains |
—
|
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: Daylight passenger trains | Statement: [Los Angeles–San Francisco, historicallyServedBy, Daylight passenger trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Daylight passenger trains Context triple: [Los Angeles–San Francisco, historicallyServedBy, Daylight passenger trains]
-
A.
Zephyr passenger trains
Zephyr passenger trains were a celebrated fleet of streamlined, diesel-powered passenger trains in the United States that became icons of speed, modern design, and innovation in mid-20th-century rail travel.
-
B.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
-
C.
ICE trains
ICE trains are Germany’s high-speed Intercity-Express passenger trains operated by Deutsche Bahn, known for fast long-distance connections across the country and into neighboring nations.
-
D.
National Limited passenger train
The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
-
E.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
- 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: Daylight passenger trains Target entity description: Daylight passenger trains were a famous series of streamlined, brightly painted Southern Pacific Railroad daytime services known for their scenic coastal route, comfort, and stylish design.
-
A.
Zephyr passenger trains
Zephyr passenger trains were a celebrated fleet of streamlined, diesel-powered passenger trains in the United States that became icons of speed, modern design, and innovation in mid-20th-century rail travel.
-
B.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
-
C.
ICE trains
ICE trains are Germany’s high-speed Intercity-Express passenger trains operated by Deutsche Bahn, known for fast long-distance connections across the country and into neighboring nations.
-
D.
National Limited passenger train
The National Limited passenger train was a prominent long-distance streamliner operated by the Baltimore and Ohio Railroad, connecting major Midwestern and East Coast cities in the mid-20th century.
-
E.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
- 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_69e0b4b3a6e08190ae663701f50fab8e |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a06b923c81908ba24be6645a7c61 |
completed | April 20, 2026, 9:53 p.m. |
Created at: April 16, 2026, 11:37 a.m.