Triple
T2638047
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Victoria line |
E62794
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object |
Northumberland Park Depot
Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria line.
|
E284231
|
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: Northumberland Park Depot | Statement: [Victoria line, depot, Northumberland Park Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northumberland Park Depot Context triple: [Victoria line, depot, Northumberland Park Depot]
-
A.
Parker Road Station
Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
-
B.
Coney Island Yard
Coney Island Yard is one of the largest New York City Subway maintenance and storage facilities, serving multiple lines in Brooklyn.
-
C.
Woodmere station
Woodmere station is a Long Island Rail Road commuter rail stop serving the Woodmere neighborhood in Nassau County, New York.
-
D.
Baldwin station
Baldwin station is a Long Island Rail Road commuter rail stop located in the hamlet of Baldwin in Nassau County, New York.
-
E.
Camden Station
Camden Station is a historic Baltimore train station that now serves as a key commuter rail hub and gateway to the city’s downtown and sports stadiums.
- 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: Northumberland Park Depot Triple: [Victoria line, depot, Northumberland Park Depot]
Generated description
Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northumberland Park Depot Target entity description: Northumberland Park Depot is a major London Underground maintenance and stabling facility serving trains on the Victoria line.
-
A.
Parker Road Station
Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
-
B.
Coney Island Yard
Coney Island Yard is one of the largest New York City Subway maintenance and storage facilities, serving multiple lines in Brooklyn.
-
C.
Woodmere station
Woodmere station is a Long Island Rail Road commuter rail stop serving the Woodmere neighborhood in Nassau County, New York.
-
D.
Baldwin station
Baldwin station is a Long Island Rail Road commuter rail stop located in the hamlet of Baldwin in Nassau County, New York.
-
E.
Camden Station
Camden Station is a historic Baltimore train station that now serves as a key commuter rail hub and gateway to the city’s downtown and sports stadiums.
- 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_69ab4c3f2dcc819082df80f5e032f690 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abd8e470ac8190bd0d6de6805afcd0 |
completed | March 7, 2026, 7:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af90b628748190bdbb23f1d85bc3fd |
completed | March 10, 2026, 3:32 a.m. |
| NEDg | Description generation | batch_69af91c6de008190ad8fb3a3c06472cb |
completed | March 10, 2026, 3:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af9253953c8190a8e18c92d66263cc |
completed | March 10, 2026, 3:38 a.m. |
Created at: March 6, 2026, 9:53 p.m.