Triple

T1092784
Position Surface form Disambiguated ID Type / Status
Subject Conrail E24202 entity
Predicate precededBy P97 FINISHED
Object Erie Lackawanna Railway
Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
E141579 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: Erie Lackawanna Railway | Statement: [Conrail, precededBy, Erie Lackawanna Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Erie Lackawanna Railway
Context triple: [Conrail, precededBy, Erie Lackawanna Railway]
  • 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. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • C. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • D. New York Central Railroad
    New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
  • E. Chesapeake and Ohio Railway
    The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
  • 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: Erie Lackawanna Railway
Triple: [Conrail, precededBy, Erie Lackawanna Railway]
Generated description
Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Erie Lackawanna Railway
Target entity description: Erie Lackawanna Railway was a mid-20th-century U.S. railroad formed from the merger of the Erie Railroad and the Delaware, Lackawanna and Western Railroad, known for serving the Northeast and Midwest before its assets were absorbed into Conrail.
  • 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. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • C. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • D. New York Central Railroad
    New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
  • E. Chesapeake and Ohio Railway
    The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
  • 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_69a4940542308190ac2a0b1f730b7cfc completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4b99bd06c8190bce1d77b0337b07c completed March 1, 2026, 10:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac8f6969a8819091383fb1172ceeee completed March 7, 2026, 8:49 p.m.
NEDg Description generation batch_69ac8fd90ea88190b154bb7d72768dae completed March 7, 2026, 8:51 p.m.
NED2 Entity disambiguation (via description) batch_69ac90412d3881909278a9a6c6536ce3 completed March 7, 2026, 8:53 p.m.
Created at: March 1, 2026, 7:42 p.m.