Triple
T109570
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Rail |
E2215
|
entity |
| Predicate | coordinatedBy |
P86
|
FINISHED |
| Object |
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.
|
E16861
|
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: Rail Delivery Group | Statement: [National Rail, coordinatedBy, Rail Delivery Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rail Delivery Group Context triple: [National Rail, coordinatedBy, Rail Delivery Group]
-
A.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
B.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
-
C.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
D.
Transport for Wales Rail
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
-
E.
National Rail
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
- 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: Rail Delivery Group Triple: [National Rail, coordinatedBy, Rail Delivery Group]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rail Delivery Group Target entity description: 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.
-
A.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
B.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
-
C.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
D.
Transport for Wales Rail
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
-
E.
National Rail
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
- 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_69a24fcdaeb48190a2d796677e4b3281 |
completed | Feb. 28, 2026, 2:15 a.m. |
| NER | Named-entity recognition | batch_69a256ce54b48190a3337f5f45d82859 |
completed | Feb. 28, 2026, 2:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2b85cc6b881909e2c13e70b24d934 |
completed | Feb. 28, 2026, 9:41 a.m. |
| NEDg | Description generation | batch_69a2bb0254fc8190b75544e32e81d694 |
completed | Feb. 28, 2026, 9:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2bebed99481908eccf03360d90588 |
completed | Feb. 28, 2026, 10:09 a.m. |
Created at: Feb. 28, 2026, 2:20 a.m.