Triple
T21569098
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rail Express Systems |
E532237
|
entity |
| Predicate | trainTypeUsed |
P56947
|
FINISHED |
| Object | Travelling Post Office coaches |
—
|
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: Travelling Post Office coaches | Statement: [Rail Express Systems, trainTypeUsed, Travelling Post Office coaches]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Travelling Post Office coaches Context triple: [Rail Express Systems, trainTypeUsed, Travelling Post Office coaches]
-
A.
Corail coaches
Corail coaches are a class of long-distance passenger railway carriages widely used in France for comfortable intercity services.
-
B.
Stagecoach Rail
Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
-
C.
X90 Oxford–London coaches
X90 Oxford–London coaches were a former express coach service linking Oxford and London, operated by the Oxford Bus Company.
-
D.
Whippet Coaches
Whippet Coaches is a British bus and coach company that operates public transport services, including routes on the Cambridge Guided Busway.
-
E.
Shoreliner coaches
Shoreliner coaches are a type of commuter rail passenger car commonly used in the Northeastern United States, known for their bilevel-like high-capacity design and compatibility with push-pull train operations.
- 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: Travelling Post Office coaches Target entity description: Travelling Post Office coaches were specially equipped railway carriages used for sorting and transporting mail while trains were in motion across the rail network.
-
A.
Corail coaches
Corail coaches are a class of long-distance passenger railway carriages widely used in France for comfortable intercity services.
-
B.
Stagecoach Rail
Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
-
C.
X90 Oxford–London coaches
X90 Oxford–London coaches were a former express coach service linking Oxford and London, operated by the Oxford Bus Company.
-
D.
Whippet Coaches
Whippet Coaches is a British bus and coach company that operates public transport services, including routes on the Cambridge Guided Busway.
-
E.
Shoreliner coaches
Shoreliner coaches are a type of commuter rail passenger car commonly used in the Northeastern United States, known for their bilevel-like high-capacity design and compatibility with push-pull train operations.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cb9718819094fc95b25df68bd1 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 16, 2026, 6:30 p.m.