Triple

T16315286
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania trolley gauge E396156 entity
Predicate historicallyUsedBy P2834 FINISHED
Object Wilkes-Barre streetcar system
The Wilkes-Barre streetcar system was an early 20th-century electric urban and interurban trolley network serving Wilkes-Barre, Pennsylvania, and its surrounding communities.
 E1209057 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: Wilkes-Barre streetcar system | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, Wilkes-Barre streetcar system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wilkes-Barre streetcar system
Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, Wilkes-Barre streetcar system]
  • A. Scranton streetcar system
    The Scranton streetcar system was an early 20th-century electric trolley network that provided urban and interurban public transit in and around Scranton, Pennsylvania.
  • B. Pittsburgh streetcar system
    The Pittsburgh streetcar system was an extensive urban and suburban electric tram network that once served as a primary mode of public transportation in and around Pittsburgh, Pennsylvania.
  • C. Pittsburgh Light Rail
    Pittsburgh Light Rail is a light rail transit system serving Pittsburgh, Pennsylvania and its nearby neighborhoods, providing urban and commuter rail service including access to the city’s North Shore district.
  • D. Pittsburgh Light Rail Silver Line
    The Pittsburgh Light Rail Silver Line is a light rail service in Pittsburgh, Pennsylvania, that operates as part of the city's "T" system, connecting downtown with surrounding neighborhoods and suburbs.
  • E. Lancaster streetcar system
    The Lancaster streetcar system was a historic electric trolley network that once provided urban and interurban public transit service in and around Lancaster, Pennsylvania.
  • 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: Wilkes-Barre streetcar system
Triple: [Pennsylvania trolley gauge, historicallyUsedBy, Wilkes-Barre streetcar system]
Generated description
The Wilkes-Barre streetcar system was an early 20th-century electric urban and interurban trolley network serving Wilkes-Barre, Pennsylvania, and its surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Wilkes-Barre streetcar system
Target entity description: The Wilkes-Barre streetcar system was an early 20th-century electric urban and interurban trolley network serving Wilkes-Barre, Pennsylvania, and its surrounding communities.
  • A. Scranton streetcar system
    The Scranton streetcar system was an early 20th-century electric trolley network that provided urban and interurban public transit in and around Scranton, Pennsylvania.
  • B. Pittsburgh streetcar system
    The Pittsburgh streetcar system was an extensive urban and suburban electric tram network that once served as a primary mode of public transportation in and around Pittsburgh, Pennsylvania.
  • C. Pittsburgh Light Rail
    Pittsburgh Light Rail is a light rail transit system serving Pittsburgh, Pennsylvania and its nearby neighborhoods, providing urban and commuter rail service including access to the city’s North Shore district.
  • D. Pittsburgh Light Rail Silver Line
    The Pittsburgh Light Rail Silver Line is a light rail service in Pittsburgh, Pennsylvania, that operates as part of the city's "T" system, connecting downtown with surrounding neighborhoods and suburbs.
  • E. Lancaster streetcar system
    The Lancaster streetcar system was a historic electric trolley network that once provided urban and interurban public transit service in and around Lancaster, Pennsylvania.
  • 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.