Triple
T7082342
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 755 |
E164985
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
Norwich–Cambridge line
The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
|
E666498
|
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: Norwich–Cambridge line | Statement: [British Rail Class 755, usedOnLine, Norwich–Cambridge line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norwich–Cambridge line Context triple: [British Rail Class 755, usedOnLine, Norwich–Cambridge line]
-
A.
Ely–Norwich line
The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
-
B.
Ely–Ipswich line
The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
-
C.
Norwich–Great Yarmouth line
The Norwich–Great Yarmouth line is a regional railway route in Norfolk, England, linking the city of Norwich with the coastal town of Great Yarmouth.
-
D.
Cambridge–Ely line
The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
-
E.
Thetford–Ely line
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
- 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: Norwich–Cambridge line Triple: [British Rail Class 755, usedOnLine, Norwich–Cambridge line]
Generated description
The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Norwich–Cambridge line Target entity description: The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
-
A.
Ely–Norwich line
The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
-
B.
Ely–Ipswich line
The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
-
C.
Norwich–Great Yarmouth line
The Norwich–Great Yarmouth line is a regional railway route in Norfolk, England, linking the city of Norwich with the coastal town of Great Yarmouth.
-
D.
Cambridge–Ely line
The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
-
E.
Thetford–Ely line
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
- 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_69c6887d98408190912b9580666b0c1d |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e50f133c81908c5f7336fd5bc5d2 |
completed | March 27, 2026, 8:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c83423e5008190881a7e956c716687 |
completed | March 28, 2026, 8:03 p.m. |
| NEDg | Description generation | batch_69c834b792f081908e9292905e4e0d37 |
completed | March 28, 2026, 8:06 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c835d2474081908ec1e93c1ced0b1f |
completed | March 28, 2026, 8:10 p.m. |
Created at: March 27, 2026, 2:40 p.m.