Triple
T2720778
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bakerloo line |
E60074
|
entity |
| Predicate | terminusNorth |
P3375
|
FINISHED |
| Object |
Harrow & Wealdstone
Harrow & Wealdstone is a major railway and London Underground interchange station in northwest London, serving both suburban and mainline routes.
|
E318451
|
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: Harrow & Wealdstone | Statement: [Bakerloo line, terminusNorth, Harrow & Wealdstone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harrow & Wealdstone Context triple: [Bakerloo line, terminusNorth, Harrow & Wealdstone]
-
A.
London Borough of Harrow
The London Borough of Harrow is a suburban borough in northwest Greater London known for its residential character, diverse communities, and the historic Harrow School.
-
B.
Hounslow
Hounslow is a suburban district in West London known for its diverse community, major transport links, and proximity to Heathrow Airport.
-
C.
North Ealing
North Ealing is a suburban area in the London Borough of Ealing, known for its residential character and proximity to central London via the Underground.
-
D.
Hillingdon
Hillingdon is a suburban borough in West London, England, known for containing Heathrow Airport and a mix of residential areas, green spaces, and commercial hubs.
-
E.
Spelthorne
Spelthorne is a local government district and borough in Surrey, England, encompassing several towns and suburbs along the River Thames.
- 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: Harrow & Wealdstone Triple: [Bakerloo line, terminusNorth, Harrow & Wealdstone]
Generated description
Harrow & Wealdstone is a major railway and London Underground interchange station in northwest London, serving both suburban and mainline routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harrow & Wealdstone Target entity description: Harrow & Wealdstone is a major railway and London Underground interchange station in northwest London, serving both suburban and mainline routes.
-
A.
London Borough of Harrow
The London Borough of Harrow is a suburban borough in northwest Greater London known for its residential character, diverse communities, and the historic Harrow School.
-
B.
Hounslow
Hounslow is a suburban district in West London known for its diverse community, major transport links, and proximity to Heathrow Airport.
-
C.
North Ealing
North Ealing is a suburban area in the London Borough of Ealing, known for its residential character and proximity to central London via the Underground.
-
D.
Hillingdon
Hillingdon is a suburban borough in West London, England, known for containing Heathrow Airport and a mix of residential areas, green spaces, and commercial hubs.
-
E.
Spelthorne
Spelthorne is a local government district and borough in Surrey, England, encompassing several towns and suburbs along the River Thames.
- 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_69abdab06d388190acf690787fe58ab5 |
completed | March 7, 2026, 7:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b12dfe893c81909c79ea6cffb5bae6 |
completed | March 11, 2026, 8:55 a.m. |
| NEDg | Description generation | batch_69b12f07ec088190a63e30f8a1f7937a |
completed | March 11, 2026, 8:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b1cb6571388190970bae846bfc57a2 |
completed | March 11, 2026, 8:07 p.m. |
Created at: March 6, 2026, 9:55 p.m.