Triple
T7430724
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Underground Metropolitan line |
E171480
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object | Watford station |
E266716
|
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: Watford station | Statement: [London Underground Metropolitan line, connectsStation, Watford station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Watford station Context triple: [London Underground Metropolitan line, connectsStation, Watford station]
-
A.
Watford Junction railway station
Watford Junction railway station is a major rail hub in Hertfordshire, England, providing regional, commuter, and long-distance services including routes to London and the Midlands.
-
B.
Watford North railway station
Watford North railway station is a small suburban rail stop in Hertfordshire, England, serving the northern part of Watford on the Abbey Line between Watford Junction and St Albans Abbey.
-
C.
Amersham station
Amersham station is a London Underground and National Rail station in Buckinghamshire that serves as the outer terminus of the Metropolitan line and a key commuter hub into central London.
-
D.
Wallingford station
Wallingford station is a passenger rail station in Wallingford, Connecticut, serving CTrail Hartford Line trains and other regional rail services.
-
E.
Watford tube station
chosen
Watford tube station is a London Underground station in Hertfordshire that serves as the northern terminus of the Watford branch of the Metropolitan line.
- 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_69c68a63491881909281f73d4d5643bf |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f32324c481908c9ba594e8456728 |
completed | March 27, 2026, 9:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8682c7c64819081bc1110a3a6e305 |
completed | March 28, 2026, 11:45 p.m. |
Created at: March 27, 2026, 3:12 p.m.