Triple
T21572343
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | APT-E |
E532313
|
entity |
| Predicate | developmentLocation |
P33964
|
FINISHED |
| Object |
Derby Railway Technical Centre
Derby Railway Technical Centre was a major British Rail research and development facility in Derby, England, known for pioneering work on advanced rolling stock and railway technology.
|
E1491894
|
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: Derby Railway Technical Centre | Statement: [APT-E, developmentLocation, Derby Railway Technical Centre]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Derby Railway Technical Centre Context triple: [APT-E, developmentLocation, Derby Railway Technical Centre]
-
A.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
-
B.
Bow railway works
Bow railway works was a major 19th- and early 20th-century railway engineering and maintenance facility in Bow, East London, serving as an important hub for locomotive and rolling stock construction and repair.
-
C.
Doncaster Works
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
-
D.
Stephenson Railway Museum
Stephenson Railway Museum is a transport museum in North Tyneside, England, dedicated to the history of railways and the legacy of pioneering engineer George Stephenson.
-
E.
LMS Derby Works
LMS Derby Works was a major British railway engineering and locomotive-building facility in Derby, England, operated by the London, Midland and Scottish Railway and its successors.
- 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: Derby Railway Technical Centre Triple: [APT-E, developmentLocation, Derby Railway Technical Centre]
Generated description
Derby Railway Technical Centre was a major British Rail research and development facility in Derby, England, known for pioneering work on advanced rolling stock and railway technology.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Derby Railway Technical Centre Target entity description: Derby Railway Technical Centre was a major British Rail research and development facility in Derby, England, known for pioneering work on advanced rolling stock and railway technology.
-
A.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
-
B.
Bow railway works
Bow railway works was a major 19th- and early 20th-century railway engineering and maintenance facility in Bow, East London, serving as an important hub for locomotive and rolling stock construction and repair.
-
C.
Doncaster Works
Doncaster Works is a historic British railway engineering and locomotive-building facility in Doncaster, England, long associated with the construction and maintenance of notable steam locomotives.
-
D.
Stephenson Railway Museum
Stephenson Railway Museum is a transport museum in North Tyneside, England, dedicated to the history of railways and the legacy of pioneering engineer George Stephenson.
-
E.
LMS Derby Works
LMS Derby Works was a major British railway engineering and locomotive-building facility in Derby, England, operated by the London, Midland and Scottish Railway and its successors.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cd50188190b44eb25fb87312bb |
completed | April 27, 2026, 4:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09f672b5808190a2dd61c26ce64403 |
completed | May 17, 2026, 5:10 p.m. |
| NEDg | Description generation | batch_6a09f78a3d788190b4b19f3b6463550e |
completed | May 17, 2026, 5:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09f825b02c819096f57b1dba02ded2 |
completed | May 17, 2026, 5:17 p.m. |
Created at: April 16, 2026, 6:30 p.m.