Triple
T15721577
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Welwyn |
E381106
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Welwyn North railway station |
E880419
|
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: Welwyn North railway station | Statement: [Welwyn, hasRailwayStation, Welwyn North railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Welwyn North railway station Context triple: [Welwyn, hasRailwayStation, Welwyn North railway station]
-
A.
Welwyn North railway station
chosen
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.
-
B.
Welwyn Garden City railway station
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.
-
C.
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.
-
D.
Totteridge & Whetstone station
Totteridge & Whetstone station is a London Underground station on the Northern line serving the suburban areas of Totteridge and Whetstone in north London.
-
E.
Radlett railway station
Radlett railway station is a commuter rail station in Hertfordshire, England, serving the town of Radlett on the Midland Main Line with Thameslink services to London and beyond.
- 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_69d86d9bf930819082b30cf6d169297c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e04fb0b51081908e652ec4992296fa |
completed | April 16, 2026, 2:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff75866b548190b07392b05e631192 |
completed | May 9, 2026, 5:57 p.m. |
Created at: April 10, 2026, 4:45 a.m.