Triple
T6462566
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B&O Railroad Museum complex in Baltimore (original shops and facilities) |
E142155
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
Mount Clare roundhouse
Mount Clare roundhouse is a historic railroad engine house in Baltimore, Maryland, notable as one of the oldest surviving roundhouse structures in the United States and a key landmark in early American railroading.
|
E594342
|
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: Mount Clare roundhouse | Statement: [B&O Railroad Museum complex in Baltimore (original shops and facilities), hasPart, Mount Clare roundhouse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mount Clare roundhouse Context triple: [B&O Railroad Museum complex in Baltimore (original shops and facilities), hasPart, Mount Clare roundhouse]
-
A.
Arlington Hall
Arlington Hall is a former girls' school in Arlington, Virginia, that became a major U.S. Army codebreaking and intelligence center during World War II and the early Cold War.
-
B.
Potomac Yard
Potomac Yard is a redeveloped urban neighborhood in Alexandria, Virginia, known for its former rail yard, mixed-use development, and new transit connections.
-
C.
Uniacke Barracks
Uniacke Barracks is a British Army installation in Harrogate that serves as the home of the Army Foundation College for training junior soldiers.
-
D.
Gibson Mill
Gibson Mill is a historic former cotton mill in Hardcastle Crags, West Yorkshire, now used as a visitor and education centre within a National Trust woodland estate.
-
E.
Arlington Hall Station, Virginia
Arlington Hall Station, Virginia, is a former U.S. Army installation in Arlington that served as a major center for military intelligence and cryptographic operations during and after World War II.
- 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: Mount Clare roundhouse Triple: [B&O Railroad Museum complex in Baltimore (original shops and facilities), hasPart, Mount Clare roundhouse]
Generated description
Mount Clare roundhouse is a historic railroad engine house in Baltimore, Maryland, notable as one of the oldest surviving roundhouse structures in the United States and a key landmark in early American railroading.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mount Clare roundhouse Target entity description: Mount Clare roundhouse is a historic railroad engine house in Baltimore, Maryland, notable as one of the oldest surviving roundhouse structures in the United States and a key landmark in early American railroading.
-
A.
Arlington Hall
Arlington Hall is a former girls' school in Arlington, Virginia, that became a major U.S. Army codebreaking and intelligence center during World War II and the early Cold War.
-
B.
Potomac Yard
Potomac Yard is a redeveloped urban neighborhood in Alexandria, Virginia, known for its former rail yard, mixed-use development, and new transit connections.
-
C.
Uniacke Barracks
Uniacke Barracks is a British Army installation in Harrogate that serves as the home of the Army Foundation College for training junior soldiers.
-
D.
Gibson Mill
Gibson Mill is a historic former cotton mill in Hardcastle Crags, West Yorkshire, now used as a visitor and education centre within a National Trust woodland estate.
-
E.
Arlington Hall Station, Virginia
Arlington Hall Station, Virginia, is a former U.S. Army installation in Arlington that served as a major center for military intelligence and cryptographic operations during and after World War II.
- 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.