Triple
T1245894
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baltimore and Ohio Railroad |
E26763
|
entity |
| Predicate | builtInfrastructure |
P14101
|
FINISHED |
| Object |
B&O Railroad Museum complex in Baltimore (original shops and facilities)
The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
|
E142155
|
NE FINISHED |
How this triple was built (5 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 Railroad Museum complex in Baltimore (original shops and facilities) | Statement: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: B&O Railroad Museum complex in Baltimore (original shops and facilities) Context triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
-
A.
Baltimore and Ohio Railroad Martinsburg Shops
The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
-
B.
Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
The Railroad Museum of Pennsylvania in Strasburg is a major rail heritage institution showcasing an extensive collection of historic locomotives, rolling stock, and railroad artifacts from the state's rich railroading history.
-
C.
Chesapeake Beach Railway Museum
The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
-
D.
Museum of the American Railroad
The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
-
E.
Chatham Railroad Museum
The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
- 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 Railroad Museum complex in Baltimore (original shops and facilities) Triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
Generated description
The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: B&O Railroad Museum complex in Baltimore (original shops and facilities) Target entity description: The B&O Railroad Museum complex in Baltimore is a historic rail facility featuring original 19th-century shops, roundhouse, and infrastructure that showcase the early development of American railroading.
-
A.
Baltimore and Ohio Railroad Martinsburg Shops
The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
-
B.
Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
The Railroad Museum of Pennsylvania in Strasburg is a major rail heritage institution showcasing an extensive collection of historic locomotives, rolling stock, and railroad artifacts from the state's rich railroading history.
-
C.
Chesapeake Beach Railway Museum
The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
-
D.
Museum of the American Railroad
The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
-
E.
Chatham Railroad Museum
The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: builtInfrastructure Context triple: [Baltimore and Ohio Railroad, builtInfrastructure, B&O Railroad Museum complex in Baltimore (original shops and facilities)]
-
A.
builtNear
Indicates that one entity was constructed at a location geographically close to another entity.
-
B.
placeBuilt
chosen
Indicates that a structure or facility was constructed at a specific location.
-
C.
constructionCompleted
Indicates that a construction process or project has been fully finished and reached its completed state.
-
D.
isPartOfInfrastructure
Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
-
E.
significantInfrastructure
Indicates that an entity constitutes an important or critical piece of infrastructure within a system, network, or region.
- F. None of above.
Provenance (6 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_69a4948689d08190b3a4a3f388c02148 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4bf65c41c8190b4c65e015d1264c0 |
completed | March 1, 2026, 10:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac8f7da5c48190b013f1578c160d78 |
completed | March 7, 2026, 8:50 p.m. |
| NEDg | Description generation | batch_69ac8ff7ae0c81908ca8ace1f4159383 |
completed | March 7, 2026, 8:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac905ce0c48190a8465988161f19ed |
completed | March 7, 2026, 8:53 p.m. |
| PD | Predicate disambiguation | batch_69a4bb696a38819095845c84f0241287 |
completed | March 1, 2026, 10:19 p.m. |
Created at: March 1, 2026, 7:47 p.m.