Triple
T6811802
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 166 |
E156651
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
First Great Western Link
First Great Western Link was a British train operating company that provided regional and commuter rail services in the Thames Valley and surrounding areas in the mid-2000s.
|
E620591
|
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: First Great Western Link | Statement: [British Rail Class 166, operator, First Great Western Link]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: First Great Western Link Context triple: [British Rail Class 166, operator, First Great Western Link]
-
A.
Chiltern Link
Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
-
B.
Malvern Link
Malvern Link is a suburban area of the town of Malvern in Worcestershire, England, known for its residential character and local amenities.
-
C.
Windsor Link
Windsor Link is a railway connection in Manchester that links previously separate lines to improve cross-city rail services.
-
D.
Levenmouth rail link
The Levenmouth rail link is a Scottish railway project to reinstate passenger services connecting Leven and the surrounding Levenmouth area to the national rail network.
-
E.
North Wales Expressway
The North Wales Expressway is a major road route in north Wales that links the port town of Holyhead on Anglesey with the English border, forming part of the main corridor between Ireland and the UK mainland.
- 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: First Great Western Link Triple: [British Rail Class 166, operator, First Great Western Link]
Generated description
First Great Western Link was a British train operating company that provided regional and commuter rail services in the Thames Valley and surrounding areas in the mid-2000s.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: First Great Western Link Target entity description: First Great Western Link was a British train operating company that provided regional and commuter rail services in the Thames Valley and surrounding areas in the mid-2000s.
-
A.
Chiltern Link
Chiltern Link is a long-distance walking trail that runs through the scenic countryside of the Chilterns in southern England.
-
B.
Malvern Link
Malvern Link is a suburban area of the town of Malvern in Worcestershire, England, known for its residential character and local amenities.
-
C.
Windsor Link
Windsor Link is a railway connection in Manchester that links previously separate lines to improve cross-city rail services.
-
D.
Levenmouth rail link
The Levenmouth rail link is a Scottish railway project to reinstate passenger services connecting Leven and the surrounding Levenmouth area to the national rail network.
-
E.
North Wales Expressway
The North Wales Expressway is a major road route in north Wales that links the port town of Holyhead on Anglesey with the English border, forming part of the main corridor between Ireland and the UK mainland.
- 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_69c68828b26c819090fe9df7612bbc27 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d327e37081909d576e6eff9eec97 |
completed | March 27, 2026, 6:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c71aa7dc3c81909ef422b5c51ae6be |
completed | March 28, 2026, 12:02 a.m. |
| NEDg | Description generation | batch_69c71e7cd6448190845888760c677eda |
completed | March 28, 2026, 12:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c71edd37048190bf4de088ad9f11de |
completed | March 28, 2026, 12:20 a.m. |
Created at: March 27, 2026, 2:16 p.m.