Triple
T7040177
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norwich to Sheringham |
E163489
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Class 755 multiple units |
E164985
|
NE FINISHED |
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: Class 755 multiple units | Statement: [Norwich to Sheringham, usesRollingStock, Class 755 multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 755 multiple units Context triple: [Norwich to Sheringham, usesRollingStock, Class 755 multiple units]
-
A.
Class 755 bi-mode multiple unit
chosen
The Class 755 bi-mode multiple unit is a modern British train capable of operating on both electrified and non-electrified lines, widely used for regional passenger services.
-
B.
Class 745 EMU
The Class 745 EMU is a modern electric multiple unit train used on regional and intercity services in the UK, built for high-capacity, high-comfort passenger operations.
-
C.
Class 720 EMU
The Class 720 EMU is a modern British electric multiple unit train built for high-capacity commuter and regional services, primarily operated in East Anglia.
-
D.
Class 756 train
The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
-
E.
Class 78 electric multiple unit
The Class 78 electric multiple unit is a high-speed airport express train used by the Norwegian operator Flytoget to provide fast rail connections between Oslo and Oslo Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c6885e7c1c8190be32a8f79ab4e0cf |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e22426508190ad7a17d14a086a3e |
completed | March 27, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c775afabbc8190a6ff263b1a996c9c |
completed | March 28, 2026, 6:31 a.m. |
Created at: March 27, 2026, 2:36 p.m.