Triple
T14798211
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birkenhead North railway station |
E347833
|
entity |
| Predicate | hasDepotNearby |
P5648
|
FINISHED |
| Object |
Birkenhead North TMD
Birkenhead North TMD is a railway traction maintenance depot on the Wirral Peninsula that services and stables Merseyrail’s electric multiple units.
|
E347833
|
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: Birkenhead North TMD | Statement: [Birkenhead North railway station, hasDepotNearby, Birkenhead North TMD]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Birkenhead North TMD Context triple: [Birkenhead North railway station, hasDepotNearby, Birkenhead North TMD]
-
A.
Birkenhead North railway station
Birkenhead North railway station is a Merseyrail commuter rail station serving the town of Wallasey on the Wirral Peninsula in England.
-
B.
Birkenhead Central railway station
Birkenhead Central railway station is a key Merseyrail station on the Wirral Line serving the town of Birkenhead in Merseyside, England.
-
C.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
D.
St Helens Junction
St Helens Junction is a railway station in Merseyside, England, serving the town of St Helens on the Liverpool–Manchester line.
-
E.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
- 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: Birkenhead North TMD Triple: [Birkenhead North railway station, hasDepotNearby, Birkenhead North TMD]
Generated description
Birkenhead North TMD is a railway traction maintenance depot on the Wirral Peninsula that services and stables Merseyrail’s electric multiple units.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Birkenhead North TMD Target entity description: Birkenhead North TMD is a railway traction maintenance depot on the Wirral Peninsula that services and stables Merseyrail’s electric multiple units.
-
A.
Birkenhead North railway station
chosen
Birkenhead North railway station is a Merseyrail commuter rail station serving the town of Wallasey on the Wirral Peninsula in England.
-
B.
Birkenhead Central railway station
Birkenhead Central railway station is a key Merseyrail station on the Wirral Line serving the town of Birkenhead in Merseyside, England.
-
C.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
D.
St Helens Junction
St Helens Junction is a railway station in Merseyside, England, serving the town of St Helens on the Liverpool–Manchester line.
-
E.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
- F. None of above.
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_69d822ea8b7c819097dfadf3d45545e6 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69decd6131f08190885f1d27b4bfac7a |
completed | April 14, 2026, 11:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe24c2cd848190bb0d8e4b5f7a489c |
completed | May 8, 2026, 6 p.m. |
| NEDg | Description generation | batch_69fe264b234881909903ebfc1039ec72 |
completed | May 8, 2026, 6:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe26ca706881908fe0da780bd9f691 |
completed | May 8, 2026, 6:09 p.m. |
Created at: April 10, 2026, 1:31 a.m.