Triple

T6462499
Position Surface form Disambiguated ID Type / Status
Subject National Limited E142153 entity
Predicate operatedBy P86 FINISHED
Object B&O
B&O, or the Baltimore and Ohio Railroad, was one of the oldest and most historically significant railroads in the United States, known for pioneering early American rail transport.
 E106107 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 | Statement: [National Limited, operatedBy, B&O]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: B&O
Context triple: [National Limited, operatedBy, B&O]
  • A. B&O Warehouse
    B&O Warehouse is a historic former railroad warehouse in Baltimore that forms the iconic brick backdrop beyond the right-field wall at Oriole Park at Camden Yards.
  • B. Bose
    Bose is a common Indian surname most prominently associated with physicist Satyendra Nath Bose, whose work led to the concept of bosons and Bose–Einstein statistics.
  • C. Denon
    Denon is a Japanese audio equipment manufacturer renowned for its high-fidelity home theater systems, amplifiers, and headphones.
  • D. Denon Wing
    Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
  • E. Ayre Acoustics
    Ayre Acoustics is a high-end American audio equipment manufacturer renowned for its audiophile-grade amplifiers, DACs, and other hi-fi components.
  • 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
Triple: [National Limited, operatedBy, B&O]
Generated description
B&O, or the Baltimore and Ohio Railroad, was one of the oldest and most historically significant railroads in the United States, known for pioneering early American rail transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: B&O
Target entity description: B&O, or the Baltimore and Ohio Railroad, was one of the oldest and most historically significant railroads in the United States, known for pioneering early American rail transport.
  • A. B&O Warehouse chosen
    B&O Warehouse is a historic former railroad warehouse in Baltimore that forms the iconic brick backdrop beyond the right-field wall at Oriole Park at Camden Yards.
  • B. Bose
    Bose is a common Indian surname most prominently associated with physicist Satyendra Nath Bose, whose work led to the concept of bosons and Bose–Einstein statistics.
  • C. Denon
    Denon is a Japanese audio equipment manufacturer renowned for its high-fidelity home theater systems, amplifiers, and headphones.
  • D. Denon Wing
    Denon Wing is one of the main wings of the Louvre Museum in Paris, housing many of its most famous artworks, including Leonardo da Vinci’s Mona Lisa.
  • E. Ayre Acoustics
    Ayre Acoustics is a high-end American audio equipment manufacturer renowned for its audiophile-grade amplifiers, DACs, and other hi-fi components.
  • F. None of above.

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.