Triple
T16470816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Railways London Midland Region |
E400053
|
entity |
| Predicate | operatedLocomotiveClass |
P67417
|
FINISHED |
| Object | LMS Jubilee Class |
E90949
|
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: LMS Jubilee Class | Statement: [British Railways London Midland Region, operatedLocomotiveClass, LMS Jubilee Class]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LMS Jubilee Class Context triple: [British Railways London Midland Region, operatedLocomotiveClass, LMS Jubilee Class]
-
A.
LMS Jubilee Class
chosen
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
B.
LMS Coronation Class
The LMS Coronation Class was a fleet of powerful British express passenger steam locomotives built for the London, Midland and Scottish Railway in the 1930s, renowned for their streamlined design and high-speed performance.
-
C.
LMS Royal Scot Class
The LMS Royal Scot Class was a class of British 4-6-0 steam locomotives built for the London, Midland and Scottish Railway, renowned for hauling express passenger services on the West Coast Main Line.
-
D.
LMS Princess Royal Class
The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
-
E.
LMS 8F Class
The LMS 8F Class is a British heavy freight steam locomotive type widely used by the London, Midland and Scottish Railway and later by British Railways, particularly during World War II.
- 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_69d87f2dac988190b74d6e185fa88ba4 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32dd0d2fc81909b68b5afb00f192f |
completed | April 18, 2026, 7:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00679ecf4c819096e7f698b81fe25a |
completed | May 10, 2026, 11:10 a.m. |
Created at: April 10, 2026, 5:11 a.m.