Triple

T1092786
Position Surface form Disambiguated ID Type / Status
Subject Conrail E24202 entity
Predicate precededBy P97 FINISHED
Object Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
 E144115 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: Lehigh Valley Railroad | Statement: [Conrail, precededBy, Lehigh Valley Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lehigh Valley Railroad
Context triple: [Conrail, precededBy, Lehigh Valley Railroad]
  • 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. Philadelphia, Germantown and Norristown Railroad
    The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
  • C. Southern Railroad of New Jersey
    The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
  • D. Central Railroad of New Jersey
    The Central Railroad of New Jersey was a major northeastern U.S. railroad that primarily served New Jersey and the New York City area before its operations were absorbed into Conrail in the 1970s.
  • E. Lehigh and Hudson River Railway
    The Lehigh and Hudson River Railway was a regional American railroad that operated in the northeastern United States, primarily serving as a bridge line connecting major trunk railroads before its assets were absorbed into Conrail in 1976.
  • 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: Lehigh Valley Railroad
Triple: [Conrail, precededBy, Lehigh Valley Railroad]
Generated description
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lehigh Valley Railroad
Target entity description: Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • 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. Philadelphia, Germantown and Norristown Railroad
    The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
  • C. Southern Railroad of New Jersey
    The Southern Railroad of New Jersey is a shortline freight railroad that operates and maintains portions of the South Jersey rail network.
  • D. Central Railroad of New Jersey
    The Central Railroad of New Jersey was a major northeastern U.S. railroad that primarily served New Jersey and the New York City area before its operations were absorbed into Conrail in the 1970s.
  • E. Lehigh and Hudson River Railway
    The Lehigh and Hudson River Railway was a regional American railroad that operated in the northeastern United States, primarily serving as a bridge line connecting major trunk railroads before its assets were absorbed into Conrail in 1976.
  • 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_69ac93ad5644819095868c520c33cd83 completed March 7, 2026, 9:07 p.m.
NEDg Description generation batch_69ac9569cba081909fda971f4dfde00a completed March 7, 2026, 9:15 p.m.
NED2 Entity disambiguation (via description) batch_69ac95da6e7c8190a0a719aa9c9f7a51 completed March 7, 2026, 9:17 p.m.
Created at: March 1, 2026, 7:42 p.m.