Triple
T1009539
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Midlands Railway |
E21789
|
entity |
| Predicate | operatorOf |
P179
|
FINISHED |
| Object | Midland Main Line services |
E45516
|
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: Midland Main Line services | Statement: [East Midlands Railway, operatorOf, Midland Main Line services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midland Main Line services Context triple: [East Midlands Railway, operatorOf, Midland Main Line services]
-
A.
Midland Main Line
chosen
The Midland Main Line is a major inter-city railway route in England connecting London with key cities in the East Midlands and South Yorkshire.
-
B.
South West Main Line
The South West Main Line is a major railway route in southern England that connects London Waterloo with key towns and cities in Surrey, Hampshire, and Dorset.
-
C.
Stirling–Alloa–Kincardine line
The Stirling–Alloa–Kincardine line is a reopened railway route in central Scotland that provides passenger and freight connections between Stirling, Alloa, and the Firth of Forth area.
-
D.
Calder Valley line
The Calder Valley line is a key railway route in Northern England that connects major West Yorkshire and Greater Manchester towns via the Calder Valley, serving both commuter and regional traffic.
-
E.
Brighton Line services
Brighton Line services are New York City Subway operations running along the BMT Brighton Line in Brooklyn, primarily served by the Q train and connecting southern Brooklyn neighborhoods with Midtown Manhattan.
- 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_69a493c53e648190ae8cb76c433fd9a7 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b7a3cb608190a2de34a09cd55146 |
completed | March 1, 2026, 10:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac3ba9406c81909a13375fea05ee99 |
completed | March 7, 2026, 2:52 p.m. |
Created at: March 1, 2026, 7:41 p.m.