Triple

T12166715
Position Surface form Disambiguated ID Type / Status
Subject Alliance, Ohio E289849 entity
Predicate railLine P848 FINISHED
Object Cleveland–Pittsburgh corridor
The Cleveland–Pittsburgh corridor is a key rail and transportation route linking the metropolitan areas of Cleveland, Ohio, and Pittsburgh, Pennsylvania, and serving intermediate cities such as Alliance.
 E966657 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: Cleveland–Pittsburgh corridor | Statement: [Alliance, Ohio, railLine, Cleveland–Pittsburgh corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cleveland–Pittsburgh corridor
Context triple: [Alliance, Ohio, railLine, Cleveland–Pittsburgh corridor]
  • A. Cleveland–Youngstown corridor
    The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.
  • B. New York–Scranton corridor
    The New York–Scranton corridor is a historically significant rail route linking New York City with Scranton, Pennsylvania, that served as a key passenger and freight artery in the northeastern United States.
  • C. Chicago–Detroit/Pontiac corridor
    The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
  • D. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • E. Midwest–Northeast corridor
    The Midwest–Northeast corridor is a major U.S. passenger rail route linking Chicago with key cities in the Northeastern United States.
  • 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: Cleveland–Pittsburgh corridor
Triple: [Alliance, Ohio, railLine, Cleveland–Pittsburgh corridor]
Generated description
The Cleveland–Pittsburgh corridor is a key rail and transportation route linking the metropolitan areas of Cleveland, Ohio, and Pittsburgh, Pennsylvania, and serving intermediate cities such as Alliance.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cleveland–Pittsburgh corridor
Target entity description: The Cleveland–Pittsburgh corridor is a key rail and transportation route linking the metropolitan areas of Cleveland, Ohio, and Pittsburgh, Pennsylvania, and serving intermediate cities such as Alliance.
  • A. Cleveland–Youngstown corridor
    The Cleveland–Youngstown corridor is a major urban and economic region in northeastern Ohio linking the metropolitan areas of Cleveland and Youngstown.
  • B. New York–Scranton corridor
    The New York–Scranton corridor is a historically significant rail route linking New York City with Scranton, Pennsylvania, that served as a key passenger and freight artery in the northeastern United States.
  • C. Chicago–Detroit/Pontiac corridor
    The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
  • D. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • E. Midwest–Northeast corridor
    The Midwest–Northeast corridor is a major U.S. passenger rail route linking Chicago with key cities in the Northeastern United States.
  • 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_69d6ab4d6c00819095a9a7c35de83cfb completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915d7109481908bf5fe512bba3c89 completed April 10, 2026, 3:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f6a2716081909620a9d11cfcc2d8 completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f6018043f48190a3062de4e0d4a3f5 completed May 2, 2026, 1:52 p.m.
NED2 Entity disambiguation (via description) batch_69f60232d89881909f254da6deb7f321 completed May 2, 2026, 1:54 p.m.
Created at: April 8, 2026, 9:50 p.m.