Triple
T22712668
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Trains rolling stock |
E561641
|
entity |
| Predicate | serviceArea |
P82
|
FINISHED |
| Object | Birmingham–London Euston route |
E549601
|
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: Birmingham–London Euston route | Statement: [West Midlands Trains rolling stock, serviceArea, Birmingham–London Euston route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Birmingham–London Euston route Context triple: [West Midlands Trains rolling stock, serviceArea, Birmingham–London Euston route]
-
A.
Birmingham New Street – London Euston
chosen
Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
-
B.
London Euston – Birmingham
London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
-
C.
Birmingham–London Marylebone line
The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
-
D.
Birmingham–Wolverhampton line
The Birmingham–Wolverhampton line is a key railway route in England’s West Midlands, linking the major cities of Birmingham and Wolverhampton and forming part of the region’s core commuter and intercity rail network.
-
E.
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.
- 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_69e2454f1348819088d83f420925a5c1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1790ab6208190a342f076002324ab |
completed | April 29, 2026, 3:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b8fbe82fc8190a783458a6aba1f6b |
completed | May 18, 2026, 10:16 p.m. |
Created at: April 17, 2026, 3:18 p.m.