Triple
T5502023
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Train Operating Companies |
E144349
|
entity |
| Predicate | supervisedBy |
P86
|
FINISHED |
| Object |
Department for Transport Rail Group
The Department for Transport Rail Group is the division of the UK Department for Transport responsible for overseeing and managing the country’s rail system and its train operating companies.
|
E530534
|
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: Department for Transport Rail Group | Statement: [Train Operating Companies, supervisedBy, Department for Transport Rail Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Department for Transport Rail Group Context triple: [Train Operating Companies, supervisedBy, Department for Transport Rail Group]
-
A.
Office of Rail and Road
The Office of Rail and Road is the independent regulator and competition authority for Britain’s railway network and the economic regulator for England’s strategic road network.
-
B.
Network Rail
Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
-
C.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
-
D.
Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
-
E.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
- 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: Department for Transport Rail Group Triple: [Train Operating Companies, supervisedBy, Department for Transport Rail Group]
Generated description
The Department for Transport Rail Group is the division of the UK Department for Transport responsible for overseeing and managing the country’s rail system and its train operating companies.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Department for Transport Rail Group Target entity description: The Department for Transport Rail Group is the division of the UK Department for Transport responsible for overseeing and managing the country’s rail system and its train operating companies.
-
A.
Office of Rail and Road
The Office of Rail and Road is the independent regulator and competition authority for Britain’s railway network and the economic regulator for England’s strategic road network.
-
B.
Network Rail
Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
-
C.
Rail Delivery Group
Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
-
D.
Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
-
E.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
- 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_69c008f5a2748190bce7a39aabf87a6d |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c01f0a512c81908f077378917e5879 |
completed | March 22, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c027a67d648190ac8d097202c8ec3d |
completed | March 22, 2026, 5:32 p.m. |
| NEDg | Description generation | batch_69c037b4e04881908d07e704f2a161bb |
completed | March 22, 2026, 6:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0384d023081909cb0d4ba4b80c07e |
completed | March 22, 2026, 6:43 p.m. |
Created at: March 22, 2026, 3:32 p.m.