Triple
T5313631
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stagecoach Group |
E119091
|
entity |
| Predicate | formerBrand |
P1501
|
FINISHED |
| Object |
Megatrain
Megatrain was a low-cost UK rail ticket brand offering advance-purchase fares on selected train services operated by Stagecoach Group.
|
E510376
|
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: Megatrain | Statement: [Stagecoach Group, formerBrand, Megatrain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Megatrain Context triple: [Stagecoach Group, formerBrand, Megatrain]
-
A.
Megatren
Megatren is the local name for Manila’s LRT Line 2, an elevated rapid transit line serving key east–west corridors in Metro Manila, Philippines.
-
B.
The Big Express
The Big Express is a 1984 studio album by the English rock band XTC, noted for its dense production, industrial themes, and inventive pop songwriting.
-
C.
End of the World Train
The End of the World Train is a historic narrow-gauge railway in Ushuaia that offers scenic rides through the landscapes of Tierra del Fuego at the southern tip of Argentina.
-
D.
Xplorer train
The Xplorer train is a diesel multiple unit passenger train used for regional and long-distance services in New South Wales, Australia.
-
E.
Cave Train
Cave Train is a classic dark ride attraction at the Santa Cruz Beach Boardwalk featuring whimsical underground scenes and nostalgic amusement park charm.
- 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: Megatrain Triple: [Stagecoach Group, formerBrand, Megatrain]
Generated description
Megatrain was a low-cost UK rail ticket brand offering advance-purchase fares on selected train services operated by Stagecoach Group.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Megatrain Target entity description: Megatrain was a low-cost UK rail ticket brand offering advance-purchase fares on selected train services operated by Stagecoach Group.
-
A.
Megatren
Megatren is the local name for Manila’s LRT Line 2, an elevated rapid transit line serving key east–west corridors in Metro Manila, Philippines.
-
B.
The Big Express
The Big Express is a 1984 studio album by the English rock band XTC, noted for its dense production, industrial themes, and inventive pop songwriting.
-
C.
End of the World Train
The End of the World Train is a historic narrow-gauge railway in Ushuaia that offers scenic rides through the landscapes of Tierra del Fuego at the southern tip of Argentina.
-
D.
Xplorer train
The Xplorer train is a diesel multiple unit passenger train used for regional and long-distance services in New South Wales, Australia.
-
E.
Cave Train
Cave Train is a classic dark ride attraction at the Santa Cruz Beach Boardwalk featuring whimsical underground scenes and nostalgic amusement park charm.
- 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_69bd446b57bc8190a513d2e6c40314f3 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd8536c06c81908ef8ba8c39b4fa30 |
completed | March 20, 2026, 5:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf1106ef9c8190811f7b70e784c962 |
completed | March 21, 2026, 9:43 p.m. |
| NEDg | Description generation | batch_69bf11a601c481908a8cb6ea2c04d6df |
completed | March 21, 2026, 9:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf127799208190a47580ed7b9ad550 |
completed | March 21, 2026, 9:49 p.m. |
Created at: March 20, 2026, 1:54 p.m.