Triple
T9874686
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hallam line |
E240043
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object |
Arriva Rail North
Arriva Rail North was a British train operating company that ran regional and commuter rail services across Northern England under the Northern brand.
|
E826687
|
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: Arriva Rail North | Statement: [Hallam line, formerOperator, Arriva Rail North]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arriva Rail North Context triple: [Hallam line, formerOperator, Arriva Rail North]
-
A.
Arriva Trains Northern
Arriva Trains Northern was a former British train operating company that provided regional and commuter rail services across Northern England.
-
B.
Arriva UK Trains
Arriva UK Trains is a major British train operating company that manages several passenger rail franchises and services across the United Kingdom.
-
C.
Arriva
Arriva is a major European public transport company that operates bus, coach, train, tram, and waterbus services across multiple countries.
-
D.
North West Trains
North West Trains was a British train operating company that ran regional and commuter rail services in North West England following rail privatization in the mid-1990s.
-
E.
Arriva Trains Wales
Arriva Trains Wales was a former UK train operating company that provided passenger rail services across Wales and the English border regions from 2003 to 2018.
- 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: Arriva Rail North Triple: [Hallam line, formerOperator, Arriva Rail North]
Generated description
Arriva Rail North was a British train operating company that ran regional and commuter rail services across Northern England under the Northern brand.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arriva Rail North Target entity description: Arriva Rail North was a British train operating company that ran regional and commuter rail services across Northern England under the Northern brand.
-
A.
Arriva Trains Northern
Arriva Trains Northern was a former British train operating company that provided regional and commuter rail services across Northern England.
-
B.
Arriva UK Trains
Arriva UK Trains is a major British train operating company that manages several passenger rail franchises and services across the United Kingdom.
-
C.
Arriva
Arriva is a major European public transport company that operates bus, coach, train, tram, and waterbus services across multiple countries.
-
D.
North West Trains
North West Trains was a British train operating company that ran regional and commuter rail services in North West England following rail privatization in the mid-1990s.
-
E.
Arriva Trains Wales
Arriva Trains Wales was a former UK train operating company that provided passenger rail services across Wales and the English border regions from 2003 to 2018.
- 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_69ca84e8a0788190b9061811d50fd554 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb3f89fa081908b58956902c193cf |
completed | April 2, 2026, 12:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1e47515788190b6644021e187e771 |
completed | April 5, 2026, 4:26 a.m. |
| NEDg | Description generation | batch_69d1e57366748190bf617374264d1873 |
completed | April 5, 2026, 4:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1e5ed9818819095119c3478f97419 |
completed | April 5, 2026, 4:32 a.m. |
Created at: March 30, 2026, 8:37 p.m.