Triple
T18904382
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Section (former LB&SCR network) |
E462416
|
entity |
| Predicate | principalRoute |
P6298
|
FINISHED |
| Object | London–Brighton main line |
—
|
NE NERFINISHED |
How this triple was built (3 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: London–Brighton main line | Statement: [Central Section (former LB&SCR network), principalRoute, London–Brighton main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London–Brighton main line Context triple: [Central Section (former LB&SCR network), principalRoute, London–Brighton main line]
-
A.
Brighton Main Line
chosen
The Brighton Main Line is a major railway route in southern England that connects London with the coastal city of Brighton, serving numerous commuter towns along the way.
-
B.
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.
-
C.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
D.
London to Dover main line
The London to Dover main line is a key railway route in southeast England linking the capital with the Channel port of Dover, historically important for passenger and cross-Channel traffic.
-
E.
Waterloo to Bournemouth and Weymouth line
The Waterloo to Bournemouth and Weymouth line is a major south-western English railway route linking London Waterloo with the coastal towns of Bournemouth and Weymouth.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: principalRoute Context triple: [Central Section (former LB&SCR network), principalRoute, London–Brighton main line]
-
A.
primaryRoute
chosen
Indicates that one route is designated as the main or preferred path among possible alternatives between locations.
-
B.
primaryRouteType
Indicates the main category or kind of route associated with an entity, such as its primary mode, path, or routing classification.
-
C.
firstRoutes
Indicates that one route or path is the initial or primary route taken or assigned among a set of possible routes.
-
D.
primaryAdmissionRoute
Indicates the main pathway or method through which an entity is initially admitted, accepted, or brought into a system or context.
-
E.
parentRoute
Indicates that one route serves as the direct hierarchical ancestor or container of another route within a routing structure.
- F. None of above.
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_69d8dcfd05bc819088903cca13cc2846 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c52c121c8190a2057b99c723694b |
completed | April 20, 2026, 6:18 a.m. |
| PD | Predicate disambiguation | batch_69e4a2e27e1481908a8da10b28f07875 |
completed | April 19, 2026, 9:39 a.m. |
Created at: April 10, 2026, 11:58 a.m.