Triple
T9445322
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harpenden |
E227748
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object |
Harpenden railway station
Harpenden railway station is a commuter rail station in Hertfordshire, England, on the Midland Main Line, providing frequent services to London and other regional destinations.
|
E799214
|
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: Harpenden railway station | Statement: [Harpenden, railwayStation, Harpenden railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harpenden railway station Context triple: [Harpenden, railwayStation, Harpenden railway station]
-
A.
Huntingdon railway station
Huntingdon railway station is a railway station in Huntingdon, Cambridgeshire, England, serving as a stop on the East Coast Main Line between London and the north.
-
B.
Ockendon railway station
Ockendon railway station is a local rail stop serving the town of South Ockendon in the borough of Thurrock, Essex, on the London, Tilbury and Southend line.
-
C.
Hatch End railway station
Hatch End railway station is a suburban rail station in northwest London serving the Hatch End area on the London Overground network.
-
D.
Hamstead railway station
Hamstead railway station is a suburban rail stop in the West Midlands, England, serving the Handsworth area on the line between Birmingham and Walsall.
-
E.
Berkhamsted railway station
Berkhamsted railway station is a commuter rail station in Hertfordshire, England, on the West Coast Main Line, providing regular services between London Euston and the Midlands.
- 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: Harpenden railway station Triple: [Harpenden, railwayStation, Harpenden railway station]
Generated description
Harpenden railway station is a commuter rail station in Hertfordshire, England, on the Midland Main Line, providing frequent services to London and other regional destinations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harpenden railway station Target entity description: Harpenden railway station is a commuter rail station in Hertfordshire, England, on the Midland Main Line, providing frequent services to London and other regional destinations.
-
A.
Huntingdon railway station
Huntingdon railway station is a railway station in Huntingdon, Cambridgeshire, England, serving as a stop on the East Coast Main Line between London and the north.
-
B.
Ockendon railway station
Ockendon railway station is a local rail stop serving the town of South Ockendon in the borough of Thurrock, Essex, on the London, Tilbury and Southend line.
-
C.
Hatch End railway station
Hatch End railway station is a suburban rail station in northwest London serving the Hatch End area on the London Overground network.
-
D.
Hamstead railway station
Hamstead railway station is a suburban rail stop in the West Midlands, England, serving the Handsworth area on the line between Birmingham and Walsall.
-
E.
Berkhamsted railway station
Berkhamsted railway station is a commuter rail station in Hertfordshire, England, on the West Coast Main Line, providing regular services between London Euston and the Midlands.
- 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_69ca843884488190ad6cbe0153088234 |
completed | March 30, 2026, 2:10 p.m. |
| NER | Named-entity recognition | batch_69cd7f33deb88190bc74968575963ac4 |
completed | April 1, 2026, 8:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d110669ca48190bbaf772e2e6aa457 |
completed | April 4, 2026, 1:21 p.m. |
| NEDg | Description generation | batch_69d110eeddc881908661d110269b8a1c |
completed | April 4, 2026, 1:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d111f3190c8190ba2fe5687212da25 |
completed | April 4, 2026, 1:28 p.m. |
Created at: March 30, 2026, 7:51 p.m.