Triple
T6462630
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B&O Railroad Museum |
E142156
|
entity |
| Predicate | notableExhibit |
P22
|
FINISHED |
| Object |
B&O No. 1604 George H. Emerson
B&O No. 1604 "George H. Emerson" is a preserved Baltimore & Ohio Railroad steam locomotive recognized as a historically significant example of early 20th-century American railroading.
|
E597562
|
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. 1604 George H. Emerson | Statement: [B&O Railroad Museum, notableExhibit, B&O No. 1604 George H. Emerson]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: B&O No. 1604 George H. Emerson Context triple: [B&O Railroad Museum, notableExhibit, B&O No. 1604 George H. Emerson]
-
A.
B&O No. 4500
B&O No. 4500 is a historic Baltimore & Ohio Railroad steam locomotive preserved for its significance in early 20th-century American railroading.
-
B.
B&O No. 25 William Mason
B&O No. 25 "William Mason" is a preserved 19th-century steam locomotive famed for its historic design and frequent use in period films and railroad heritage displays.
-
C.
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.
-
D.
Union Pacific No. 119
Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
-
E.
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.
- 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. 1604 George H. Emerson Triple: [B&O Railroad Museum, notableExhibit, B&O No. 1604 George H. Emerson]
Generated description
B&O No. 1604 "George H. Emerson" is a preserved Baltimore & Ohio Railroad steam locomotive recognized as a historically significant example of early 20th-century American railroading.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: B&O No. 1604 George H. Emerson Target entity description: B&O No. 1604 "George H. Emerson" is a preserved Baltimore & Ohio Railroad steam locomotive recognized as a historically significant example of early 20th-century American railroading.
-
A.
B&O No. 4500
B&O No. 4500 is a historic Baltimore & Ohio Railroad steam locomotive preserved for its significance in early 20th-century American railroading.
-
B.
B&O No. 25 William Mason
B&O No. 25 "William Mason" is a preserved 19th-century steam locomotive famed for its historic design and frequent use in period films and railroad heritage displays.
-
C.
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.
-
D.
Union Pacific No. 119
Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
-
E.
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.
- 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_69c65fce95008190b821aafdddbe8296 |
completed | March 27, 2026, 10:45 a.m. |
| NEDg | Description generation | batch_69c660e0c6b48190bba7162153af6d80 |
completed | March 27, 2026, 10:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6613a3d1881908a93ffdf3e98ee98 |
completed | March 27, 2026, 10:51 a.m. |
Created at: March 22, 2026, 4:49 p.m.