Triple
T21878858
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 68 |
E540224
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Direct Rail Services |
—
|
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: Direct Rail Services | Statement: [British Rail Class 68, operator, Direct Rail Services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Direct Rail Services Context triple: [British Rail Class 68, operator, Direct Rail Services]
-
A.
Direct Rail Services
chosen
Direct Rail Services is a British rail freight company, originally government-owned, that operates and maintains locomotives and trains across the UK for freight, nuclear materials transport, and some passenger services.
-
B.
CityRail Intercity services
CityRail Intercity services were the long-distance commuter and regional rail services in New South Wales, Australia, that operated prior to their rebranding and reorganization under NSW TrainLink.
-
C.
Intercity direct
Intercity direct is a high-speed Dutch train service connecting major cities such as Amsterdam, Rotterdam, and Breda via the high-speed line.
-
D.
Intercidades (Intercity) services
Intercidades (Intercity) services are long-distance Portuguese train services operated by Comboios de Portugal that connect major cities across the country with faster, limited-stop routes.
-
E.
SMS Rail Lines
SMS Rail Lines is a shortline railroad company known for operating freight services and preserving historic locomotives in the South Jersey region.
- 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.