Triple
T503946
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London and North Western Railway |
E10459
|
entity |
| Predicate | operated |
P1688
|
FINISHED |
| Object | West Coast Main Line routes |
E22659
|
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 Coast Main Line routes | Statement: [London and North Western Railway, operated, West Coast Main Line routes]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Main Line routes Context triple: [London and North Western Railway, operated, West Coast Main Line routes]
-
A.
West Coast Main Line
chosen
The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
-
B.
East Coast Main Line
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
C.
Cross-City Line
The Cross-City Line is a suburban railway route in the West Midlands of England that runs through Birmingham, connecting Lichfield in the north to Redditch and Bromsgrove in the south.
-
D.
Main Southern railway line
The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
-
E.
LAX–Union Station route
The LAX–Union Station route is a FlyAway Bus service that provides direct, frequent shuttle transportation between Los Angeles International Airport and downtown’s Union Station.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f1357738819085eae6c10fa2fca9 |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a48a7b71848190ab3e69fc84779301 |
completed | March 1, 2026, 6:50 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.