Triple
T6720095
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Night Riviera sleeper service |
E153371
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
|
E614016
|
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: Class 57 diesel locomotive | Statement: [Night Riviera sleeper service, operatedBy, Class 57 diesel locomotive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 57 diesel locomotive Context triple: [Night Riviera sleeper service, operatedBy, Class 57 diesel locomotive]
-
A.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
B.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
C.
EMD GP7 locomotive
The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
-
D.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
-
E.
EMD SD40-2 locomotive
The EMD SD40-2 locomotive is a highly successful and widely used North American diesel-electric freight locomotive introduced in the 1970s, known for its reliability, modular design, and long service life.
- 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: Class 57 diesel locomotive Triple: [Night Riviera sleeper service, operatedBy, Class 57 diesel locomotive]
Generated description
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 57 diesel locomotive Target entity description: The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
-
A.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
B.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
C.
EMD GP7 locomotive
The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
-
D.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
-
E.
EMD SD40-2 locomotive
The EMD SD40-2 locomotive is a highly successful and widely used North American diesel-electric freight locomotive introduced in the 1970s, known for its reliability, modular design, and long service life.
- 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_69c68809b4608190a2509ddb5ab87f05 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d137084881908e04ee6b2bd45585 |
completed | March 27, 2026, 6:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7009f1e208190891c4542a6c613ac |
completed | March 27, 2026, 10:11 p.m. |
| NEDg | Description generation | batch_69c7048843e081908b70942a91a390fe |
completed | March 27, 2026, 10:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c705240f54819094e8715ffd66b352 |
completed | March 27, 2026, 10:31 p.m. |
Created at: March 27, 2026, 2:07 p.m.