Triple
T2048846
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midland Main Line |
E45516
|
entity |
| Predicate | primaryLondonStation |
P24452
|
FINISHED |
| Object | London St Pancras International |
E31343
|
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 St Pancras International | Statement: [Midland Main Line, primaryLondonStation, London St Pancras International]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London St Pancras International Context triple: [Midland Main Line, primaryLondonStation, London St Pancras International]
-
A.
London St Pancras International
chosen
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.
-
B.
King’s Cross St Pancras Underground station
King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
-
C.
London Victoria railway station
London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
-
D.
London King’s Cross
London King’s Cross is a major central London railway terminus and transport hub, known for its extensive national and international rail connections and its role in the Harry Potter series.
-
E.
London Euston
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
- 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: primaryLondonStation Context triple: [Midland Main Line, primaryLondonStation, London St Pancras International]
-
A.
primaryLondonTerminal
chosen
Indicates that a given station serves as the main London terminal for a particular rail service or route.
-
B.
secondaryLondonTerminal
Indicates that a location serves as a secondary terminal in London associated with a primary London terminal for a given service or route.
-
C.
railwayStationFor
Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
-
D.
stationName
Indicates the name assigned to a particular station in the relationship.
-
E.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
- 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_69a8891948208190ab7898da21824c77 |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abb98c70c48190beb98aad56d9daf1 |
completed | March 7, 2026, 5:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae893779648190ae0d039c614736c8 |
completed | March 9, 2026, 8:47 a.m. |
| PD | Predicate disambiguation | batch_69abb7abba508190b872f345d3ba51bb |
completed | March 7, 2026, 5:29 a.m. |
Created at: March 4, 2026, 7:39 p.m.