Triple

T16315282
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania trolley gauge E396156 entity
Predicate historicallyUsedBy P2834 FINISHED
Object Harrisburg Railways
Harrisburg Railways was a historic streetcar and trolley company that operated public transit services in and around Harrisburg, Pennsylvania.
E1209056 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: Harrisburg Railways | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, Harrisburg Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harrisburg Railways
Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, Harrisburg Railways]
  • A. 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.
  • B. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • C. 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.
  • D. Pittsburgh Railways
    Pittsburgh Railways was a major streetcar and public transit operator in Pittsburgh, Pennsylvania, known for running one of the largest PCC streetcar fleets in the United States.
  • E. New York, Susquehanna and Western Railway
    The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link 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: Harrisburg Railways
Triple: [Pennsylvania trolley gauge, historicallyUsedBy, Harrisburg Railways]
Generated description
Harrisburg Railways was a historic streetcar and trolley company that operated public transit services in and around Harrisburg, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harrisburg Railways
Target entity description: Harrisburg Railways was a historic streetcar and trolley company that operated public transit services in and around Harrisburg, Pennsylvania.
  • A. 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.
  • B. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • C. 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.
  • D. Pittsburgh Railways
    Pittsburgh Railways was a major streetcar and public transit operator in Pittsburgh, Pennsylvania, known for running one of the largest PCC streetcar fleets in the United States.
  • E. New York, Susquehanna and Western Railway
    The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link 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_69d87f255b788190a400eba031dd85d8 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e288de57cc81908cec93309347c385 completed April 17, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a002da444408190b770055d84060f4d completed May 10, 2026, 7:03 a.m.
NEDg Description generation batch_6a002ec2fd948190878af958d0b90ce6 completed May 10, 2026, 7:07 a.m.
NED2 Entity disambiguation (via description) batch_6a00312a4fc48190b6bd6ad9db71bb4d completed May 10, 2026, 7:18 a.m.
Created at: April 10, 2026, 5:06 a.m.