Triple
T21569090
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rail Express Systems |
E532237
|
entity |
| Predicate | successor |
P78
|
FINISHED |
| Object | Royal Mail rail operations |
—
|
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: Royal Mail rail operations | Statement: [Rail Express Systems, successor, Royal Mail rail operations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Royal Mail rail operations Context triple: [Rail Express Systems, successor, Royal Mail rail operations]
-
A.
Railtrack mail and parcels operations
Railtrack mail and parcels operations were the dedicated British railway services responsible for transporting mail and parcels by rail across the UK rail network.
-
B.
Royal Mail
Royal Mail is the United Kingdom’s long-established national postal service and courier company responsible for mail collection and delivery across the country and internationally.
-
C.
British Post Office
The British Post Office was the United Kingdom’s former state-run postal and telecommunications service, responsible for mail delivery, post offices, and early telegraph and telephone systems.
-
D.
GB Railfreight
GB Railfreight is a major UK rail freight operating company that provides cargo transport services across the national rail network.
-
E.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
- 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: Royal Mail rail operations Target entity description: Royal Mail rail operations were the dedicated train services used by the UK's postal service to transport mail and parcels across the country by rail.
-
A.
Railtrack mail and parcels operations
Railtrack mail and parcels operations were the dedicated British railway services responsible for transporting mail and parcels by rail across the UK rail network.
-
B.
Royal Mail
Royal Mail is the United Kingdom’s long-established national postal service and courier company responsible for mail collection and delivery across the country and internationally.
-
C.
British Post Office
The British Post Office was the United Kingdom’s former state-run postal and telecommunications service, responsible for mail delivery, post offices, and early telegraph and telephone systems.
-
D.
GB Railfreight
GB Railfreight is a major UK rail freight operating company that provides cargo transport services across the national rail network.
-
E.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
- 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.