Triple
T18877421
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Douglas DC-3 |
E461722
|
entity |
| Predicate | nicknamed |
P744
|
FINISHED |
| Object | Skytrain |
—
|
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: Skytrain | Statement: [Douglas DC-3, nicknamed, Skytrain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Skytrain Context triple: [Douglas DC-3, nicknamed, Skytrain]
-
A.
SkyTrain
SkyTrain is an automated, driverless rapid transit system serving the Metro Vancouver region in British Columbia, Canada.
-
B.
SkyTrain people mover
The SkyTrain people mover is an automated, elevated monorail system that transports passengers between terminals and the main railway station at Düsseldorf Airport in Germany.
-
C.
Airtrain
Airtrain is a privately operated commuter rail service that connects Brisbane Airport with Brisbane’s central business district and surrounding suburbs.
-
D.
BTS Skytrain
The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
-
E.
Monorail
The Monorail is a single-rail elevated transit system often used as a futuristic urban transport and fairground attraction.
- 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: Skytrain Target entity description: Skytrain is the nickname given to the military transport variant of the Douglas DC-3 aircraft, widely used by the United States during World War II.
-
A.
SkyTrain
SkyTrain is an automated, driverless rapid transit system serving the Metro Vancouver region in British Columbia, Canada.
-
B.
SkyTrain people mover
The SkyTrain people mover is an automated, elevated monorail system that transports passengers between terminals and the main railway station at Düsseldorf Airport in Germany.
-
C.
Airtrain
Airtrain is a privately operated commuter rail service that connects Brisbane Airport with Brisbane’s central business district and surrounding suburbs.
-
D.
BTS Skytrain
The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
-
E.
Monorail
The Monorail is a single-rail elevated transit system often used as a futuristic urban transport and fairground attraction.
- 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_69d8dcfc3430819095ee6fc0eb4c06a5 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c3cf0aa0819090991fc9e14910fb |
completed | April 20, 2026, 6:12 a.m. |
Created at: April 10, 2026, 11:57 a.m.