Triple
T13624103
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Rail services to London Bridge |
E325531
|
entity |
| Predicate | usesLine |
P1293
|
FINISHED |
| Object | East Grinstead line |
E142082
|
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: East Grinstead line | Statement: [National Rail services to London Bridge, usesLine, East Grinstead line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Grinstead line Context triple: [National Rail services to London Bridge, usesLine, East Grinstead line]
-
A.
Uckfield line
The Uckfield line is a suburban and rural railway route in East Sussex, England, running between London and Uckfield as part of the Southern rail network.
-
B.
Redhill–Tonbridge line
The Redhill–Tonbridge line is a regional railway route in southeast England that connects the towns of Redhill and Tonbridge, forming part of the suburban and commuter rail network south of London.
-
C.
Tonbridge–Maidstone line
The Tonbridge–Maidstone line is a railway route in Kent, England, linking the town of Tonbridge with Maidstone and serving as part of the regional commuter network.
-
D.
Maidstone East Line
The Maidstone East Line is a railway route in Kent, England, connecting London with Maidstone and Ashford and serving several intermediate towns and villages.
-
E.
Oxted line
chosen
The Oxted line is a suburban and rural railway route in southern England connecting London with towns in Surrey and Sussex, operated as part of the Southern rail network.
- 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_69d8076aae28819092cf636190ee5529 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbbe9b0b648190afee93121483f45f |
completed | April 12, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77fa4c5fc8190bd791f181fce2aa1 |
completed | May 3, 2026, 5:02 p.m. |
Created at: April 9, 2026, 9:50 p.m.