Triple
T6462627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B&O Railroad Museum |
E142156
|
entity |
| Predicate | notableExhibit |
P22
|
FINISHED |
| Object |
B&O No. 2 Atlantic
B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
|
E594343
|
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: B&O No. 2 Atlantic | Statement: [B&O Railroad Museum, notableExhibit, B&O No. 2 Atlantic]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: B&O No. 2 Atlantic Context triple: [B&O Railroad Museum, notableExhibit, B&O No. 2 Atlantic]
-
A.
USRA Light Mountain 4-8-2
The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
-
B.
Shay locomotive
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
-
C.
USRA Heavy Mountain 4-8-2
The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
-
D.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
E.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
- 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: B&O No. 2 Atlantic Triple: [B&O Railroad Museum, notableExhibit, B&O No. 2 Atlantic]
Generated description
B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: B&O No. 2 Atlantic Target entity description: B&O No. 2 Atlantic is a historic Baltimore & Ohio Railroad steam locomotive preserved as a prominent example of early American passenger train power.
-
A.
USRA Light Mountain 4-8-2
The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
-
B.
Shay locomotive
The Shay locomotive is a geared steam locomotive design, widely used on logging and industrial railroads for its exceptional low-speed power and ability to handle steep grades and sharp curves.
-
C.
USRA Heavy Mountain 4-8-2
The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
-
D.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
E.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
- 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_69c008d2f91c8190a8178767a35e08fc |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c069f7e5908190ae4d8da2b14d274f |
completed | March 22, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c64be4e6888190a685f447e9950163 |
completed | March 27, 2026, 9:20 a.m. |
| NEDg | Description generation | batch_69c64e4413f481908561a86bc9a9b0b2 |
completed | March 27, 2026, 9:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c64ec0d40881908fda2e994f0f6ed5 |
completed | March 27, 2026, 9:32 a.m. |
Created at: March 22, 2026, 4:49 p.m.