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.