Triple
T10133481
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Douglas railway station |
E226796
|
entity |
| Predicate | hasDepot |
P2413
|
FINISHED |
| Object |
Douglas motive power depot
Douglas motive power depot was a locomotive servicing and maintenance facility associated with Douglas railway station on the Isle of Man.
|
E843191
|
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: Douglas motive power depot | Statement: [Douglas railway station, hasDepot, Douglas motive power depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Douglas motive power depot Context triple: [Douglas railway station, hasDepot, Douglas motive power depot]
-
A.
Grosmont motive power depot
Grosmont motive power depot is a heritage railway locomotive maintenance and stabling facility serving the North Yorkshire Moors Railway in Grosmont, North Yorkshire, England.
-
B.
Union Pacific Depot
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
-
C.
Stonebridge Park depot
Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
-
D.
Riverside Yard
Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
-
E.
Barstow Yard
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
- 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: Douglas motive power depot Triple: [Douglas railway station, hasDepot, Douglas motive power depot]
Generated description
Douglas motive power depot was a locomotive servicing and maintenance facility associated with Douglas railway station on the Isle of Man.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Douglas motive power depot Target entity description: Douglas motive power depot was a locomotive servicing and maintenance facility associated with Douglas railway station on the Isle of Man.
-
A.
Grosmont motive power depot
Grosmont motive power depot is a heritage railway locomotive maintenance and stabling facility serving the North Yorkshire Moors Railway in Grosmont, North Yorkshire, England.
-
B.
Union Pacific Depot
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
-
C.
Stonebridge Park depot
Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
-
D.
Riverside Yard
Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
-
E.
Barstow Yard
Barstow Yard is a major railroad classification and freight yard in Barstow, California, serving as a key hub for train operations in the region.
- 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_69ca8433ec308190b8b25a6fe359c34c |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cdd33808048190b6023a6cd83fc179 |
completed | April 2, 2026, 2:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d2e5d98a148190ada7082adb98ddaa |
completed | April 5, 2026, 10:44 p.m. |
| NEDg | Description generation | batch_69d2e73e4d5081909f0068d3bed583d3 |
completed | April 5, 2026, 10:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d2e7eea4d88190a2ec6d22a83934b3 |
completed | April 5, 2026, 10:53 p.m. |
Created at: March 30, 2026, 9:06 p.m.