Triple
T11081100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 50 |
E261993
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | West of England main line |
E283629
|
NE FINISHED |
How this triple was built (2 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: West of England main line | Statement: [British Rail Class 50, usedOn, West of England main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West of England main line Context triple: [British Rail Class 50, usedOn, West of England main line]
-
A.
West of England Main Line
chosen
The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
-
B.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
-
C.
Birmingham–Stratford-upon-Avon line
The Birmingham–Stratford-upon-Avon line is a regional railway route in England linking Birmingham with the historic town of Stratford-upon-Avon, primarily serving commuter and tourist traffic.
-
D.
Waterloo to Bournemouth and Weymouth line
The Waterloo to Bournemouth and Weymouth line is a major south-western English railway route linking London Waterloo with the coastal towns of Bournemouth and Weymouth.
-
E.
Birmingham–Shrewsbury line
The Birmingham–Shrewsbury line is a key railway route in England linking the West Midlands city of Birmingham with the historic town of Shrewsbury, providing important regional and intercity passenger services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aa9983c08190b0ef61603b69feac |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d79996d9408190b159d14b23c25ed1 |
completed | April 9, 2026, 12:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3e789d7248190a40de0bdda539f45 |
completed | April 18, 2026, 8:20 p.m. |
Created at: April 8, 2026, 9:27 p.m.