Triple
T11375642
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 802 |
E269459
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Lumo (as Class 803 variant, related design)
Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
|
E922091
|
NE FINISHED |
How this triple was built (4 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: Lumo (as Class 803 variant, related design) | Statement: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lumo (as Class 803 variant, related design) Context triple: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
-
A.
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.
-
B.
British Rail Class 143
The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
-
C.
Class 802 Nova 1 bi-mode train
The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
-
D.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
E.
Class 83 EMU
The Class 83 EMU is an electric multiple unit train type used by Malaysia’s KTM Komuter suburban rail service for passenger operations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Lumo (as Class 803 variant, related design) Triple: [British Rail Class 802, operator, Lumo (as Class 803 variant, related design)]
Generated description
Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lumo (as Class 803 variant, related design) Target entity description: Lumo (as the Class 803 variant) is a British open-access train operator running high-speed electric intercity services on the East Coast Main Line using a closely related design to the bi-mode Class 802 trains.
-
A.
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.
-
B.
British Rail Class 143
The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
-
C.
Class 802 Nova 1 bi-mode train
The Class 802 Nova 1 is a modern bi-mode intercity train used by TransPennine Express, capable of operating on both electrified and non-electrified routes to provide faster, more flexible services across northern England and Scotland.
-
D.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
E.
Class 83 EMU
The Class 83 EMU is an electric multiple unit train type used by Malaysia’s KTM Komuter suburban rail service for passenger operations.
- F. None of above. chosen
Provenance (5 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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea8e6d44819095f949581421e98e |
completed | April 9, 2026, 6:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5568e3e108190ab843236b417f150 |
completed | April 19, 2026, 10:26 p.m. |
| NEDg | Description generation | batch_69e562c7de3c8190befb6d7131129a2c |
completed | April 19, 2026, 11:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e56a776390819082d47ad00cf1862b |
completed | April 19, 2026, 11:51 p.m. |
Created at: April 8, 2026, 9:33 p.m.