Triple
T11894797
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ruislip depot |
E283007
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
London Underground depots
London Underground depots are maintenance and stabling facilities where trains of the London Underground network are stored, serviced, and prepared for operation.
|
E952297
|
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: London Underground depots | Statement: [Ruislip depot, category, London Underground depots]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Underground depots Context triple: [Ruislip depot, category, London Underground depots]
-
A.
Hammersmith depot
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
-
B.
Golders Green depot
Golders Green depot is a major London Underground maintenance and stabling facility serving trains on the Northern line.
-
C.
Ealing Common Depot
Ealing Common Depot is a London Underground maintenance and stabling facility serving primarily the District line in west London.
-
D.
London Road depot
London Road depot is a maintenance and stabling facility for London Underground trains serving the Bakerloo line near Waterloo in central London.
-
E.
Camberwell depot
Camberwell depot is a major train maintenance and stabling facility on Melbourne’s suburban rail network, serving lines including the Alamein line.
- 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: London Underground depots Triple: [Ruislip depot, category, London Underground depots]
Generated description
London Underground depots are maintenance and stabling facilities where trains of the London Underground network are stored, serviced, and prepared for operation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: London Underground depots Target entity description: London Underground depots are maintenance and stabling facilities where trains of the London Underground network are stored, serviced, and prepared for operation.
-
A.
Hammersmith depot
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
-
B.
Golders Green depot
Golders Green depot is a major London Underground maintenance and stabling facility serving trains on the Northern line.
-
C.
Ealing Common Depot
Ealing Common Depot is a London Underground maintenance and stabling facility serving primarily the District line in west London.
-
D.
London Road depot
London Road depot is a maintenance and stabling facility for London Underground trains serving the Bakerloo line near Waterloo in central London.
-
E.
Camberwell depot
Camberwell depot is a major train maintenance and stabling facility on Melbourne’s suburban rail network, serving lines including the Alamein line.
- 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_69d6ab2a90b08190a4e818821cc93e6d |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8dd1286808190949719f54ff49a01 |
completed | April 10, 2026, 11:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f41811e5ac8190a3e397e31f19bca1 |
completed | May 1, 2026, 3:03 a.m. |
| NEDg | Description generation | batch_69f41f1c21388190b6ecb0fd602abb7d |
completed | May 1, 2026, 3:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f42283c4cc81909793834ef65d2514 |
completed | May 1, 2026, 3:48 a.m. |
Created at: April 8, 2026, 9:44 p.m.