Triple
T19370866
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Moorgate to Welwyn Garden City |
E484531
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Welwyn Garden City railway station |
—
|
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: Welwyn Garden City railway station | Statement: [Moorgate to Welwyn Garden City, hasStation, Welwyn Garden City railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Welwyn Garden City railway station Context triple: [Moorgate to Welwyn Garden City, hasStation, Welwyn Garden City railway station]
-
A.
Welwyn Garden City railway station
chosen
Welwyn Garden City railway station is a commuter rail station in Hertfordshire, England, serving the town of Welwyn Garden City on routes into London and surrounding areas.
-
B.
Letchworth Garden City railway station
Letchworth Garden City railway station is a commuter rail station in Hertfordshire, England, serving the town of Letchworth Garden City on routes toward London and the East of England.
-
C.
Welwyn North railway station
Welwyn North railway station is a historic railway station in Hertfordshire, England, serving the East Coast Main Line and situated close to the landmark Digswell Viaduct.
-
D.
Rickmansworth station
Rickmansworth station is a railway and London Underground station in Hertfordshire serving the town of Rickmansworth on the Metropolitan line and National Rail services.
-
E.
Elstree & Borehamwood railway station
Elstree & Borehamwood railway station is a suburban rail station in Hertfordshire, England, serving the town of Borehamwood on the Thameslink route into central London.
- 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_69d8e8d305088190ad13571532aa454c |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e619b09ef08190a8b420316c0b8eb3 |
completed | April 20, 2026, 12:18 p.m. |
Created at: April 10, 2026, 1:35 p.m.