Triple
T17728152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 444 |
E442518
|
entity |
| Predicate | enteredServiceOnRoute |
P128767
|
FINISHED |
| Object | London Waterloo – Portsmouth |
—
|
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 Waterloo – Portsmouth | Statement: [British Rail Class 444, enteredServiceOnRoute, London Waterloo – Portsmouth]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Waterloo – Portsmouth Context triple: [British Rail Class 444, enteredServiceOnRoute, London Waterloo – Portsmouth]
-
A.
London to Brighton
London to Brighton is a major commuter and intercity rail route in southern England linking the capital with the seaside city of Brighton on the south coast.
-
B.
London Waterloo to Portsmouth Harbour route
chosen
The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
-
C.
London Waterloo–Exeter
London Waterloo–Exeter is a key intercity rail route in southern England linking London Waterloo with Exeter via major intermediate towns and cities.
-
D.
London Waterloo–Basingstoke
London Waterloo–Basingstoke is a key commuter and intercity rail route in southern England linking central London with the town of Basingstoke via major intermediate stations such as Woking.
-
E.
London Waterloo – Aldershot
London Waterloo – Aldershot is a suburban rail service in southern England linking central London’s Waterloo station with the town of Aldershot in Hampshire.
- 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: enteredServiceOnRoute Context triple: [British Rail Class 444, enteredServiceOnRoute, London Waterloo – Portsmouth]
-
A.
enteredService
Indicates that an entity began active use or operation at a specific time or in a specific context.
-
B.
enteredServiceBefore
Indicates that one entity began its period of service earlier in time than another entity.
-
C.
enteredServiceInCity
Indicates that an entity began its operational service or official use within a specified city.
-
D.
enteredServiceOnLine14
Indicates that an entity (such as a vehicle or piece of equipment) began operating in regular service on route or line 14.
-
E.
enteredServiceWithUnit
Indicates that an entity began its period of service or active duty while assigned to a specified unit.
- F. None of above. chosen
Provenance (4 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_69d8b9ec79688190b86bdcef85a7b3aa |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e478e3cb708190b47456ad2008a65e |
completed | April 19, 2026, 6:40 a.m. |
| PD | Predicate disambiguation | batch_69e3cde815e08190881972e2d80d151e |
completed | April 18, 2026, 6:31 p.m. |
| PDg | Predicate description generation | batch_69e3d37ab6988190bd326ea6f8dd4aaa |
completed | April 18, 2026, 6:54 p.m. |
Created at: April 10, 2026, 10:08 a.m.