Triple
T3526624
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Welwyn Garden City |
E74554
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object |
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.
|
E365919
|
NE FINISHED |
How this triple was built (4 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: [Welwyn Garden City, railwayStation, 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: [Welwyn Garden City, railwayStation, Welwyn Garden City railway station]
-
A.
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.
-
B.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
-
C.
Isleworth railway station
Isleworth railway station is a suburban rail station in the London Borough of Hounslow that provides local and commuter services on the line between London Waterloo and southwest London.
-
D.
Harrow & Wealdstone railway station
Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
-
E.
Broxbourne railway station
Broxbourne railway station is a key commuter rail hub in Hertfordshire, England, providing frequent services between London and destinations along the West Anglia route.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Welwyn Garden City railway station Triple: [Welwyn Garden City, railwayStation, Welwyn Garden City railway station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Welwyn Garden City railway station Target entity description: 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.
-
A.
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.
-
B.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
-
C.
Isleworth railway station
Isleworth railway station is a suburban rail station in the London Borough of Hounslow that provides local and commuter services on the line between London Waterloo and southwest London.
-
D.
Harrow & Wealdstone railway station
Harrow & Wealdstone railway station is a major transport hub in northwest London served by National Rail, London Overground, and London Underground services.
-
E.
Broxbourne railway station
Broxbourne railway station is a key commuter rail hub in Hertfordshire, England, providing frequent services between London and destinations along the West Anglia route.
- F. None of above. chosen
Provenance (5 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_69ad85d0c5488190a3d8e02ebd01a1aa |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbc6bb0748190bfccfe25d2ab41b7 |
completed | March 8, 2026, 6:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b37e90e67c81909944bb81d89e039b |
completed | March 13, 2026, 3:03 a.m. |
| NEDg | Description generation | batch_69b37f837d1481908b2773785ca74375 |
completed | March 13, 2026, 3:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b38329637881908ae4dfa8bb201f9a |
completed | March 13, 2026, 3:23 a.m. |
Created at: March 8, 2026, 3:19 p.m.