Triple
T2720804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bakerloo line |
E60074
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Queen's Park depot
Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
|
E293562
|
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: Queen's Park depot | Statement: [Bakerloo line, servesStation, Queen's Park depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Queen's Park depot Context triple: [Bakerloo line, servesStation, Queen's Park depot]
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Ruislip depot
Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
-
C.
Queen's Park station
Queen's Park station is a Toronto subway station on Line 1 located near the Ontario Legislative Building and major institutions in the city's downtown.
-
D.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
E.
Northumberland Park Depot
Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria 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: Queen's Park depot Triple: [Bakerloo line, servesStation, Queen's Park depot]
Generated description
Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Queen's Park depot Target entity description: Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
-
A.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
B.
Ruislip depot
Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
-
C.
Queen's Park station
Queen's Park station is a Toronto subway station on Line 1 located near the Ontario Legislative Building and major institutions in the city's downtown.
-
D.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
E.
Northumberland Park Depot
Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria 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_69ab4b746d248190958e052045c09255 |
completed | March 6, 2026, 9:47 p.m. |
| NER | Named-entity recognition | batch_69abdab1cb808190b0789c76bc9cb090 |
completed | March 7, 2026, 7:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afb6914f70819099482893d026f34b |
completed | March 10, 2026, 6:13 a.m. |
| NEDg | Description generation | batch_69afb726182081909570e4cb7a364e4d |
completed | March 10, 2026, 6:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afb78f9d08819087d6f31fe1e4e61c |
completed | March 10, 2026, 6:17 a.m. |
Created at: March 6, 2026, 9:55 p.m.