Triple

T164888
Position Surface form Disambiguated ID Type / Status
Subject Broadway Limited E2991 entity
Predicate replaced P101 FINISHED
Object Pennsylvania Special
The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
E20617 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: Pennsylvania Special | Statement: [Broadway Limited, replaced, Pennsylvania Special]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Special
Context triple: [Broadway Limited, replaced, Pennsylvania Special]
  • A. Penn
    Penn is a private Ivy League research university in Philadelphia known for its strong programs in business, law, medicine, and the liberal arts.
  • B. Pennsylvania Limited
    Pennsylvania Limited was a premier named passenger train operated by the Pennsylvania Railroad, known for providing luxury service on its long-distance route in the late 19th and early 20th centuries.
  • C. Pennsylvania
    Pennsylvania is a historically significant U.S. state in the Mid-Atlantic and Northeastern regions, known for cities like Philadelphia and Pittsburgh and its central role in the nation’s founding.
  • D. Homestead, Pennsylvania
    Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
  • E. Braddock, Pennsylvania
    Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
  • 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: Pennsylvania Special
Triple: [Broadway Limited, replaced, Pennsylvania Special]
Generated description
The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Special
Target entity description: The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
  • A. Penn
    Penn is a private Ivy League research university in Philadelphia known for its strong programs in business, law, medicine, and the liberal arts.
  • B. Pennsylvania Limited
    Pennsylvania Limited was a premier named passenger train operated by the Pennsylvania Railroad, known for providing luxury service on its long-distance route in the late 19th and early 20th centuries.
  • C. Pennsylvania
    Pennsylvania is a historically significant U.S. state in the Mid-Atlantic and Northeastern regions, known for cities like Philadelphia and Pittsburgh and its central role in the nation’s founding.
  • D. Homestead, Pennsylvania
    Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
  • E. Braddock, Pennsylvania
    Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
  • 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_69a2524ce1e48190ab066bf72859f474 completed Feb. 28, 2026, 2:26 a.m.
NER Named-entity recognition batch_69a258827da481909b20ea5e9d21676f completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2db55b2808190bb120e6f266bd26b completed Feb. 28, 2026, 12:11 p.m.
NEDg Description generation batch_69a2dbc9285081908ce873c8ec56c36f completed Feb. 28, 2026, 12:12 p.m.
NED2 Entity disambiguation (via description) batch_69a2e05353808190a0392ea04cecdb43 completed Feb. 28, 2026, 12:32 p.m.
Created at: Feb. 28, 2026, 2:34 a.m.