Triple
T12051274
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Helensburgh Upper railway station |
E286919
|
entity |
| Predicate | hasOvernightServicesTo |
P45130
|
FINISHED |
| Object | London Euston |
E9460
|
NE FINISHED |
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 Euston | Statement: [Helensburgh Upper railway station, hasOvernightServicesTo, London Euston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Euston Context triple: [Helensburgh Upper railway station, hasOvernightServicesTo, London Euston]
-
A.
London Euston
chosen
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
B.
Euston
Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
-
C.
Marylebone station
Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
-
D.
Southampton station
Southampton station is a Long Island Rail Road stop in Southampton, New York, serving passengers on the Montauk Branch between New York City and the East End of Long Island.
-
E.
London St Pancras International
London St Pancras International is a major central London railway terminus and international high-speed rail hub, serving Eurostar services to continental Europe as well as domestic routes.
- 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: hasOvernightServicesTo Context triple: [Helensburgh Upper railway station, hasOvernightServicesTo, London Euston]
-
A.
hasPassengerServicesTo
Indicates that a transportation provider operates passenger services connecting one location or entity to another.
-
B.
hasDirectServices
Indicates that one entity provides services directly to another entity without intermediaries.
-
C.
hasDailyService
Indicates that a service or operation occurs every day on a regular, scheduled basis.
-
D.
overnightOption
chosen
Indicates that something is available, valid, or can occur during an overnight period or as an overnight choice.
-
E.
hasLimitedWeekdayService
Indicates that the service operates on weekdays only during restricted or reduced hours or on a limited schedule.
- F. None of above.
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_69d6ab4780948190bdb9f7620c2ac27e |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d9100b4ca8819084845ca4c13e34ce |
completed | April 10, 2026, 2:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f62a7a77648190ab2d6bd48821d190 |
completed | May 2, 2026, 4:46 p.m. |
| PD | Predicate disambiguation | batch_69d902bac9e08190aa1a99c835f29542 |
completed | April 10, 2026, 2:01 p.m. |
Created at: April 8, 2026, 9:47 p.m.