Triple

T11446248
Position Surface form Disambiguated ID Type / Status
Subject Girard station (Broad Street Line) E271271 entity
Predicate system P730 FINISHED
Object SEPTA Subway
SEPTA Subway is the rapid transit network serving Philadelphia and some surrounding areas, operated by the Southeastern Pennsylvania Transportation Authority and centered on the Broad Street and Market–Frankford lines.
E927081 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: SEPTA Subway | Statement: [Girard station (Broad Street Line), system, SEPTA Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA Subway
Context triple: [Girard station (Broad Street Line), system, SEPTA Subway]
  • A. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • B. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • C. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • D. SEPTA Chestnut Hill East Line
    The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
  • E. SEPTA Subway–Surface Trolley Lines
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • 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: SEPTA Subway
Triple: [Girard station (Broad Street Line), system, SEPTA Subway]
Generated description
SEPTA Subway is the rapid transit network serving Philadelphia and some surrounding areas, operated by the Southeastern Pennsylvania Transportation Authority and centered on the Broad Street and Market–Frankford lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA Subway
Target entity description: SEPTA Subway is the rapid transit network serving Philadelphia and some surrounding areas, operated by the Southeastern Pennsylvania Transportation Authority and centered on the Broad Street and Market–Frankford lines.
  • A. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • B. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • C. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • D. SEPTA Chestnut Hill East Line
    The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
  • E. SEPTA Subway–Surface Trolley Lines
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • 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_69d6aadff8888190a13f253f0d460874 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d81c6d4890819082fb4a670feb2629 completed April 9, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5e8f8049881909c1a52101e4620b3 completed April 20, 2026, 8:51 a.m.
NEDg Description generation batch_69e5f1557e9c8190b53ce391793b2c7f completed April 20, 2026, 9:26 a.m.
NED2 Entity disambiguation (via description) batch_69e5f863bf7c81908969ed0a5b99f032 completed April 20, 2026, 9:56 a.m.
Created at: April 8, 2026, 9:35 p.m.