Triple
T22143615
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Luton Airport terminal DART station |
E547227
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | Luton DART line |
—
|
NE NERFINISHED |
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: Luton DART line | Statement: [Luton Airport terminal DART station, line, Luton DART line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Luton DART line Context triple: [Luton Airport terminal DART station, line, Luton DART line]
-
A.
Luton DART
chosen
Luton DART is an automated light rail people mover system that links Luton Airport with nearby transport connections, providing fast, driverless transit for passengers.
-
B.
East Suffolk Line
The East Suffolk Line is a rural railway route in Suffolk, England, running between Ipswich and Lowestoft and serving towns and villages along the county’s east coast.
-
C.
Dartford Loop line
The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
-
D.
Charing Cross–Dartford line
The Charing Cross–Dartford line is a suburban railway route in southeast London and Kent, providing commuter services between central London and Dartford via stations such as Waterloo East.
-
E.
Eastleigh–Romsey line
The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e3a95d88190a3bd80d9471976c3 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f129c045448190b3d189cdb8c0d2fd |
completed | April 28, 2026, 9:42 p.m. |
Created at: April 16, 2026, 8:32 p.m.