Triple
T22203935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 67 |
E548753
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Colas Rail |
—
|
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: Colas Rail | Statement: [British Rail Class 67, operator, Colas Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Colas Rail Context triple: [British Rail Class 67, operator, Colas Rail]
-
A.
Colas Rail
chosen
Colas Rail is a UK-based rail freight and infrastructure company that provides track maintenance, engineering, and logistics services across the British railway network.
-
B.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
-
C.
UGL Rail
UGL Rail is an Australian engineering and rail services company that designs, manufactures, and maintains rolling stock and rail infrastructure.
-
D.
Cisdneper Railways
Cisdneper Railways was a regional railway administration in the former Soviet Union that managed rail transport infrastructure in the Dnieper River area, including what later became the Crimean Railway network.
-
E.
Railtrack
Railtrack was the former private owner and operator of most of Britain’s railway infrastructure, which was later replaced by the publicly owned Network Rail after financial and safety controversies.
- 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_69e11e3ecc7c8190b5f94cd8f42e9d37 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12b25eac4819094b3c50027ed66db |
completed | April 28, 2026, 9:48 p.m. |
Created at: April 16, 2026, 8:36 p.m.