Triple
T14753606
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Thameslink station |
E346674
|
entity |
| Predicate | isOnRoute |
P2127
|
FINISHED |
| Object | Bedford–Gatwick Airport line |
E630560
|
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: Bedford–Gatwick Airport line | Statement: [City Thameslink station, isOnRoute, Bedford–Gatwick Airport line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bedford–Gatwick Airport line Context triple: [City Thameslink station, isOnRoute, Bedford–Gatwick Airport line]
-
A.
Gatwick Express
Gatwick Express is a non-stop train service in the United Kingdom that connects central London with Gatwick Airport.
-
B.
Stansted Airport branch line
The Stansted Airport branch line is a railway spur in Essex, England, providing direct rail access between London (via the West Anglia route) and London Stansted Airport.
-
C.
Manchester Airport Line
The Manchester Airport Line is a Metrolink tram route in Greater Manchester that connects central Manchester with Manchester Airport via several suburban stops.
-
D.
Bedford–Gatwick Airport corridor
The Bedford–Gatwick Airport corridor is a key north–south rail route in southern England, linking the town of Bedford with London and Gatwick Airport as part of the Thameslink network.
-
E.
Bedford–St Pancras–Gatwick Airport route
chosen
The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink 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_69d822e8896c819091169882f9b20486 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69dec7d59df08190a86da5048358bd6e |
completed | April 14, 2026, 11:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fdfb9c725881908004368772fa528d |
completed | May 8, 2026, 3:05 p.m. |
Created at: April 10, 2026, 1:30 a.m.