Triple

T21910
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Railroad Company E435 entity
Predicate notableTrain P1669 FINISHED
Object 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.
E2992 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 Limited | Statement: [Pennsylvania Railroad Company, notableTrain, Pennsylvania Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Limited
Context triple: [Pennsylvania Railroad Company, notableTrain, Pennsylvania Limited]
  • A. Pennsylvania Railroad Company
    The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
  • B. Douglas
    Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
  • C. Carnegie
    Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
  • D. Piscataway, New Jersey
    Piscataway, New Jersey is a suburban township in Middlesex County known for hosting major corporate and institutional facilities, including the headquarters of the IEEE Standards Association and parts of Rutgers University.
  • E. Home Owners' Loan Corporation
    The Home Owners' Loan Corporation was a New Deal-era U.S. government agency created during the Great Depression to refinance home mortgages, prevent foreclosures, and stabilize the housing market.
  • 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 Limited
Triple: [Pennsylvania Railroad Company, notableTrain, Pennsylvania Limited]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Limited
Target entity description: 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.
  • A. Pennsylvania Railroad Company
    The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
  • B. Douglas
    Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
  • C. Carnegie
    Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
  • D. Piscataway, New Jersey
    Piscataway, New Jersey is a suburban township in Middlesex County known for hosting major corporate and institutional facilities, including the headquarters of the IEEE Standards Association and parts of Rutgers University.
  • E. Home Owners' Loan Corporation
    The Home Owners' Loan Corporation was a New Deal-era U.S. government agency created during the Great Depression to refinance home mortgages, prevent foreclosures, and stabilize the housing market.
  • 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_69a243b4ac2c8190b93c303df797b7b2 completed Feb. 28, 2026, 1:24 a.m.
NER Named-entity recognition batch_69a2481e91c88190ad0fb09cddc5f446 completed Feb. 28, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69a24e59b35c8190a192ed9095a8756d completed Feb. 28, 2026, 2:09 a.m.
NEDg Description generation batch_69a24edf06688190963f6812d173d56e completed Feb. 28, 2026, 2:11 a.m.
NED2 Entity disambiguation (via description) batch_69a24fec71908190813a1e322bbbdbb6 completed Feb. 28, 2026, 2:16 a.m.
Created at: Feb. 28, 2026, 1:34 a.m.