Triple
T2429981
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Northwestern Railway |
E52818
|
entity |
| Predicate | operatesOnLine |
P15252
|
FINISHED |
| Object | West Coast Main Line |
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 | Statement: [London Northwestern Railway, operatesOnLine, West Coast Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Main Line Context triple: [London Northwestern Railway, operatesOnLine, West Coast Main Line]
-
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.
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.
-
D.
South Eastern Main Line
The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
-
E.
Ōu Main Line
The Ōu Main Line is a major Japanese railway line in the Tōhoku region that runs north–south through several prefectures, connecting key inland cities and serving as an important intercity and regional transport route.
- 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_69ab4959bcc0819083246f9fb10439e3 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc99fcd048190a85b95a9a8ae6d4d |
completed | March 7, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af1f7f0738819091d06a7279f45d61 |
completed | March 9, 2026, 7:29 p.m. |
Created at: March 6, 2026, 9:43 p.m.