Triple

T14197713
Position Surface form Disambiguated ID Type / Status
Subject North Shore of the Ohio River E351881 entity
Predicate servedByTransit P82 FINISHED
Object North Side Station (Pittsburgh Light Rail)
North Side Station is a Pittsburgh Light Rail stop that provides access to the city’s North Shore attractions, including stadiums, entertainment venues, and riverfront areas.
E1088650 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: North Side Station (Pittsburgh Light Rail) | Statement: [North Shore of the Ohio River, servedByTransit, North Side Station (Pittsburgh Light Rail)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Side Station (Pittsburgh Light Rail)
Context triple: [North Shore of the Ohio River, servedByTransit, North Side Station (Pittsburgh Light Rail)]
  • A. Allegheny Station (Pittsburgh Light Rail)
    Allegheny Station is a Pittsburgh Light Rail stop on the North Shore that serves major nearby destinations including Acrisure Stadium.
  • B. Union Station (Pittsburgh)
    Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
  • C. Swissvale railroad station
    Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
  • D. Millcreek station
    Millcreek station is a light rail station in the Salt Lake City area served by Utah’s TRAX system.
  • E. Pittsburgh Light Rail Blue Line
    The Pittsburgh Light Rail Blue Line is a light rail service in Pittsburgh, Pennsylvania, that connects downtown with various southern suburbs as part of the Port Authority’s “T” 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: North Side Station (Pittsburgh Light Rail)
Triple: [North Shore of the Ohio River, servedByTransit, North Side Station (Pittsburgh Light Rail)]
Generated description
North Side Station is a Pittsburgh Light Rail stop that provides access to the city’s North Shore attractions, including stadiums, entertainment venues, and riverfront areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Side Station (Pittsburgh Light Rail)
Target entity description: North Side Station is a Pittsburgh Light Rail stop that provides access to the city’s North Shore attractions, including stadiums, entertainment venues, and riverfront areas.
  • A. Allegheny Station (Pittsburgh Light Rail)
    Allegheny Station is a Pittsburgh Light Rail stop on the North Shore that serves major nearby destinations including Acrisure Stadium.
  • B. Union Station (Pittsburgh)
    Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
  • C. Swissvale railroad station
    Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
  • D. Millcreek station
    Millcreek station is a light rail station in the Salt Lake City area served by Utah’s TRAX system.
  • E. Pittsburgh Light Rail Blue Line
    The Pittsburgh Light Rail Blue Line is a light rail service in Pittsburgh, Pennsylvania, that connects downtown with various southern suburbs as part of the Port Authority’s “T” 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_69d827894ac0819097803e57f3227b23 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de61e30f208190b61c1c7bd3501156 completed April 14, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd280aaa1c8190a957dfc2c624e3f6 completed May 8, 2026, 12:02 a.m.
NEDg Description generation batch_69fd2b3ae0c0819089bdc277d66b20ae completed May 8, 2026, 12:15 a.m.
NED2 Entity disambiguation (via description) batch_69fd2f51a2cc81908b222a1830e2c8e4 completed May 8, 2026, 12:33 a.m.
Created at: April 10, 2026, 1:04 a.m.