Triple

T688415
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Convention Center E13335 entity
Predicate servedBy P82 FINISHED
Object Jefferson Station (SEPTA)
Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
E93193 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: Jefferson Station (SEPTA) | Statement: [Pennsylvania Convention Center, servedBy, Jefferson Station (SEPTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Jefferson Station (SEPTA)
Context triple: [Pennsylvania Convention Center, servedBy, Jefferson Station (SEPTA)]
  • A. City Hall Station (Philadelphia)
    City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
  • B. East Falls Church station
    East Falls Church station is a Washington Metro rapid transit station in Arlington, Virginia, serving the Orange and Silver Lines.
  • C. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • D. 30th Street Station
    30th Street Station is a major intercity and regional rail hub in Philadelphia, serving Amtrak, SEPTA, and NJ Transit and connecting the city to destinations across the Northeast and beyond.
  • E. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • 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: Jefferson Station (SEPTA)
Triple: [Pennsylvania Convention Center, servedBy, Jefferson Station (SEPTA)]
Generated description
Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Jefferson Station (SEPTA)
Target entity description: Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
  • A. City Hall Station (Philadelphia)
    City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
  • B. East Falls Church station
    East Falls Church station is a Washington Metro rapid transit station in Arlington, Virginia, serving the Orange and Silver Lines.
  • C. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • D. 30th Street Station
    30th Street Station is a major intercity and regional rail hub in Philadelphia, serving Amtrak, SEPTA, and NJ Transit and connecting the city to destinations across the Northeast and beyond.
  • E. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • 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_69a4933e0f98819097d22766c49b61b8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a0953fb481909e1d4177ee191351 completed March 1, 2026, 8:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a6732d5a208190ac9e0f3d0fab7a0d completed March 3, 2026, 5:35 a.m.
NEDg Description generation batch_69a6739699e481909b4c13b0894a268f completed March 3, 2026, 5:37 a.m.
NED2 Entity disambiguation (via description) batch_69a673e60a8081908565fd51993b5a4f completed March 3, 2026, 5:38 a.m.
Created at: March 1, 2026, 7:36 p.m.